2025

• Ruths, Sabine; Granås, Anne Gerd; Spigset, Olav; Ranhoff, Anette Hylen; Bakken, Marit Stordal. (2025) Verktøy for bedre legemiddelbehandling hos eldre. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Gillessen, Maximilian; Schmidt, Chiara Theresa; Deligiannidis, Kristina M.; Kittel-Schneider, Sarah; Seifritz, Erich; Tomson, Torbjörn. (2025) The impact of menstrual cycle on the pharmacokinetics of antiseizure medications and lithium: a systematic review and meta-analysis. Expert Opinion on Drug Metabolism & Toxicology
  Academic literature review
• Andreassen, Trine Naalsund; Gule, Marina; Havnen, Hilde; Spigset, Olav; Skråstad, Ragnhild Bergene. (2025) A validated method for capillary phosphatidylethanol 16:0/18:1 quantification with two different 10-µl volumetric absorptive microsample devices in the same setup. Journal of Analytical Toxicology
  Academic article
• Schoretsanitis, Georgios; Krabseth, Hege-Merete; Strømmen, Magnus; Helland, Arne; Spigset, Olav. (2025) Effects of sleeve gastrectomy and Roux-en-Y gastric bypass on the pharmacokinetics of gabapentin and pregabalin: A cohort study. PLOS ONE
  Academic article
• Svorkdal Sande, Ingvild; Lind Helgheim, Kamilla; Saltveddt, Ingvild; Røsstad, Tove Garåsen; Spigset, Olav; Ellekjær, Hanne. (2025) Follow-Up in Primary Care After Ischemic Stroke - Insights From the Nor-COAST Study. International Journal of General Medicine
  Article in business/trade/industry journal

2024

• Spigset, Olav. (2024) Therapeutic Drug Monitoring of Psychotropic Drugs: What We Know, What We Don't, and the Controversies. Therapeutic Drug Monitoring
  Editorial
• Colclough, Robert; Almeland, Stian Kreken; BREKKE, RAGNVALD LJONES; Spigset, Olav; Nordgaard, Håvard B.; Pleym, Hilde. (2024) Topical Tranexamic Acid on Donor Wounds in Burn Patients: A Randomized Placebo-controlled Trial. Plastic and reconstructive surgery. Global open
  Academic article
• Chalabianloo, Fatemeh; Fadnes, Lars T.; Johansson, Kjell Arne; Høiseth, Gudrun; Vold, Jørn Henrik; Kringen, Marianne K.. (2024) Methadone pharmacokinetics in opioid agonist treatment: Influencing factors and clinical implications. Basic & Clinical Pharmacology & Toxicology
  Academic literature review
• Langaas, Harald Chr.; Salvesen, Øyvind Olav; Dyrkorn, Roar; Blix, Hege Salvesen; Spigset, Olav. (2024) Academic Detailing Compared with Group Meetings to Change Drug Prescribing for Type 2 Diabetes—A Randomized Controlled Trial. Journal of General Internal Medicine (JGIM)
  Academic article
• Berg, Kristin Sandal; Seines, Ellisiv; Gâl, Petter; Løberg-Emanuelsen, Lise; Stubhaug, Audun; Nielsen, Erik Waage. (2024) Absorption and pharmacokinetics of bupivacaine after bilateral topical administration in tonsillar fossae for posttonsillectomy pain relief. Pharmacology Research & Perspectives
  Academic article
• Aakerøy, Rachel; Loennechen, Jan Pål; Dyrkorn, Roar; Lydersen, Stian; Helland, Arne; Spigset, Olav. (2024) Apixaban plasma concentrations before and after catheter ablation for atrial fibrillation. PLOS ONE
  Academic article
• Gundersen, Per Ole Mobråten; Pasin, Daniel; Slørdal, Lars Johan; Spigset, Olav; Josefsson, Martin. (2024) Retrospective screening of new psychoactive substances (NPS) in post mortem samples from 2014 to 2021. Forensic Science International
  Academic article
• Finanger, Trine; Melby, Katrine; Spigset, Olav; Andreassen, Trine Naalsund; Lydersen, Stian; Skråstad, Ragnhild Bergene. (2024) Relationship between alcohol intake based on daily smartphone-reported consumption and PEth concentrations in healthy volunteers. Alcohol and Alcoholism
  Academic article
• Hansen, Miriam; Havnen, Hilde; Andreassen, Trine Naalsund; Spigset, Olav; Hegstad, Solfrid. (2024) Quantitative determination of R/S-methadone in human serum using ultra-high performance supercritical fluid chromatography-tandem mass spectrometry: A method for routine use. Drug Testing and Analysis
  Academic article
• Schoretsanitis, Georgios; Deligiannidis, Kristina M.; Kasperk, Nicholas; Schmidt, Chiara Theresa; Kittel-Schneider, Sarah; Ter Horst, Peter. (2024) The impact of pregnancy on the pharmacokinetics of antiseizure medications: A systematic review and meta-analysis of data from 674 pregnancies. Progress in Neuro-psychopharmacology and Biological Psychiatry
  Academic literature review
• Hart, Xenia Marlene; Gründer, Gerhard; Ansermot, Nicolas; Conca, Andreas; Corruble, Emmanuelle; Crettol, Severine. (2024) Optimisation of pharmacotherapy in psychiatry through therapeutic drug monitoring, molecular brain imaging and pharmacogenetic tests: Focus on antipsychotics. World Journal of Biological Psychiatry
  Academic literature review
• Krabseth, Hege-Merete; Strømmen, Magnus; Helland, Arne; Spigset, Olav. (2024) Effect of bariatric surgery on the pharmacokinetics of drugs used for attention-deficit hyperactivity disorder—A case series. Basic & Clinical Pharmacology & Toxicology
  Academic article
• Schoretsanitis, Georgios; Strømmen, Magnus; Krabseth, Hege-Merete; Spigset, Olav; Helland, Arne. (2024) Effects of sleeve gastrectomy and Roux-en-Y gastric bypass on pharmacokinetics of lamotrigine and valproate: A cohort study. Epilepsy Research
  Academic article
• Helland, Arne; Muller, Sébastien; Spigset, Olav; Krabseth, Hege-Merete; Hansen, Miriam; Skråstad, Ragnhild Bergene. (2024) Drug detection in oral fluid and urine after single therapeutic doses of dexamphetamine, lisdexamphetamine, and methylphenidate in healthy volunteers. Journal of Analytical Toxicology
  Academic article
• Braathen, Martin; Rigby-Jones, Ann E.; Ræder, Johan; Spigset, Olav; Heier, Tom. (2024) Pharmacokinetics of propofol in severely obese surgical patients. Acta Anaesthesiologica Scandinavica
  Academic article
• Melander, Erik; Nielsen, Elisabet I.; Lindqvist, Annika; Hovd, Markus; Gandia, Peggy; Panchaud, Alice. (2024) Population pharmacokinetic modelling of cetirizine concentrations in human breast milk—A contribution from the ConcePTION project. Basic & Clinical Pharmacology & Toxicology
  Academic article

2023

• Nordeng, Hedvig Marie Egeland; Wegler, Christine; Lindqvist, Annika; Melander, Erik; Magnusson, Mikaela; Gandia, Peggy. (2023) Transfer of cetirizine/levocetirizine into human breast milk and estimation of drug exposure to infants through breastfeeding: A human lactation study from the ConcePTION project. Basic & Clinical Pharmacology & Toxicology
  Academic article
• Skråstad, Ragnhild Bergene; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Havnen, Hilde; Hveem, Kristian; Krokstad, Steinar. (2023) Response to letter to editor for 'Quantifying alcohol consumption in the general population by analyzing phosphatidylethanol concentrations in whole blood: Results from 24 574 subjects included in the HUNT4 study'. Alcohol and Alcoholism
  Letter to the editor
• Skråstad, Ragnhild Bergene; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Havnen, Hilde; Hveem, Kristian; Krokstad, Steinar. (2023) Quantifying Alcohol Consumption in the General Population by Analysing Phosphatidylethanol Concentrations in Whole Blood: Results from 24,574 Subjects Included in the HUNT4 Study. Alcohol and Alcoholism
  Academic article
• Larsson, Mark; Sartipy, Ulrik; Franco-Cereceda, Anders; Spigset, Olav; Loevenich, Maja; Öwall, Anders. (2023) Extrapleural infusion of levobupivacaine versus levobupivacaine-sufentanil-adrenaline after video-assisted thoracoscopic surgery (VATS): A randomised controlled trial. Acta Anaesthesiologica Scandinavica
  Academic article
• Schoretsanitis, Georgios; Strømmen, Magnus; Krabseth, Hege-Merete; Helland, Arne; Spigset, Olav. (2023) Effects of Sleeve Gastrectomy and Roux-en-Y Gastric Bypass on Escitalopram Pharmacokinetics: A Cohort Study. Therapeutic Drug Monitoring
  Academic article
• Langaas, Harald Chr.; Salvesen, Øyvind Olav; Dyrkorn, Roar; Blix, Hege Salvesen; Spigset, Olav. (2023) Academic detailing as a method to improve general practitioners’ drug prescribing in type 2 diabetes: evaluation of changes in prescribing. Scandinavian Journal of Primary Health Care
  Academic article
• Ruths, Sabine; Bakken, Marit Stordal; Ranhoff, Anette Hylen; Granås, Anne Gerd; Spigset, Olav. (2023) Støtte til fallforebygging hos eldre. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Article in business/trade/industry journal
• Ausen, Kjersti; Pleym, Hilde; Spigset, Olav. (2023) Lokal bruk av traneksamsyre som blødningsprofylakse. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Tuv, Silja Skogstad; Spigset, Olav; Jensen, Elena; Vethe, Nils Tore; Nordal, Kristin. (2023) Nytt verktøy for tolkning av farmakogenetiske analyser. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Aakerøy, Rachel; Gynnild, Mari Nordbø; Løfblad, Lena; Dyrkorn, Roar; Ellekjær, Hanne; Lydersen, Stian. (2023) Direct oral anticoagulant concentrations and adherence in stroke patients. Basic & Clinical Pharmacology & Toxicology
  Academic article

2022

• Brodtkorb, Eylert; Myren-Svelstad, Sverre; Arntsen, Vibeke; Bjørnvold, Marit; Spigset, Olav; Nakken, Karl Otto. (2022) Nikotin som presisjonsbehandling mot epilepsi. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Galbally, Megan; Watson, Stuart J; Spigset, Olav. (2022) Depression and antidepressant treatment in the development of hypertensive disorders of pregnancy: Results from a prospective cohort study. Australian and New Zealand journal of psychiatry (Print)
  Academic article
• Spigset, Olav. (2022) Essensiell kunnskap om «hverdagsfarmakologi». Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Finanger, Trine; Vaaler, Arne; Spigset, Olav; Aamo, Trond Oskar; Andreassen, Trine Naalsund; Gråwe, Rolf W.. (2022) Identification of unhealthy alcohol use by self-report and phosphatidylethanol (PEth) blood concentrations in an acute psychiatric department. BMC Psychiatry
  Academic article
• Granås, Anne Gerd; Spigset, Olav; Ruths, Sabine; Ranhoff, Anette Hylen; Bakken, Marit Stordal. (2022) Avmedisinering i siste leveår – praktisk beslutningsstøtte. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Article in business/trade/industry journal
• Bakken, Marit Stordal; Ranhoff, Anette Hylen; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2022) STOPPFrail-2. Screeningverktøy for potensielt uhensiktsmessig legemiddelbruk til skrøpelige eldre med begrenset gjenstående levetid. Norsk Legemiddelhåndbok
  Article in business/trade/industry journal
• Gedde-Dahl, Ane; Spigset, Olav; Molden, Espen. (2022) Co-prescription of metoprolol and CYP2D6-inhibiting antidepressants before and after implementation of an optimized drug interaction database in Norway. European Journal of Clinical Pharmacology
  Academic article
• Melby, Katrine; Spigset, Olav; Gråwe, Rolf W.; Aamo, Trond Oskar; Quintana, Daniel. (2022) The effect of intranasal oxytocin on processing emotional stimuli during alcohol withdrawal: A randomized placebo-controlled double-blind clinical trial. Hormones and Behavior
  Academic article
• Schmidt, Chiara Theresa; Deligiannidis, Kristina M.; Kittel-Schneider, Sarah; Frodl, Thomas; Spigset, Olav; Paulzen, Michael. (2022) Transfer of anticonvulsants and lithium into amniotic fluid, umbilical cord blood & breast milk: A systematic review & combined analysis. Progress in Neuro-psychopharmacology and Biological Psychiatry
  Academic literature review
• Ausen, Kjersti; Eikebrokk, Tuva Alseth; Vassmyr, Brita; Gravastrand, Caroline Saugestad; Spigset, Olav; Pukstad, Brita Solveig. (2022) Letter to the Editor Regarding "Cytotoxicity and Effect of Topical Application of Tranexamic Acid on Human Fibroblast in Spine Surgery". World Neurosurgery
  Letter to the editor
• Gastaldon, Chiara; Arzenton, Elena; Raschi, Emanuel; Spigset, Olav; Papola, Davide; Ostuzzi, Giovanni. (2022) Neonatal withdrawal syndrome following in utero exposure to antidepressants: a disproportionality analysis of VigiBase, the WHO spontaneous reporting database. Psychological Medicine
  Academic article
• Granås, Anne Gerd; Spigset, Olav; Ruths, Sabine; Ranhoff, Anette Hylen; Bakken, Marit Stordal. (2022) Avmedisinering i siste leveår – praktisk beslutningsstøtte. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Article in business/trade/industry journal
• Aakerøy, Rachel; Stokes, Charlotte Lorentze; Tomic, Marija; Hegstad, Solfrid; Kristoffersen, Ann-Helen; Ellekjær, Hanne. (2022) Serum or Plasma for Quantification of Direct Oral Anticoagulants?. Therapeutic Drug Monitoring
  Academic article
• Gynnild, Mari Nordbø; Hageman, Steven H. J.; Spigset, Olav; Lydersen, Stian; Saltvedt, Ingvild; Dorresteijn, Jannick AN. (2022) Use of lipid-lowering therapy after ischaemic stroke and expected benefit from intensification of treatment. Open heart
  Academic article
• Galbally, Megan; Watson, Stuart J.; Spigset, Olav; Lappas, Martha; Walker, Susan; Lewis, Andrew J.. (2022) Examining differences in placental efficiency following exposure to antidepressants and current depression: Findings from an Australian pregnancy cohort study. Placenta
  Academic article
• Ausen, Kjersti; Fossmark, Reidar; Spigset, Olav; Pleym, Hilde. (2022) Safety and Efficacy of Local Tranexamic Acid for the Prevention of Surgical Bleeding in Soft-Tissue Surgery: A Review of the Literature and Recommendations for Plastic Surgery. Plastic and Reconstructive Surgery
  Academic article

2021

• Amundsen, Siri; Nordeng, Hedvig Marie Egeland; Fuskevåg, Ole Martin; Nordmo, Elisabet N; Sager, Georg; Spigset, Olav. (2021) Transfer of triptans into human breast milk and estimation of infant drug exposure through breastfeeding. Basic & Clinical Pharmacology & Toxicology
  Academic article
• Fjukstad, Katrine Kveli; Athanasiu, Lavinia; Bahrami, Shahram; O`Connell, Kevin; van der Meer, Dennis; Bettella, Francesco. (2021) Genetic variants associated with cardiometabolic abnormalities during treatment with selective serotonin reuptake inhibitors: a genome-wide association study. The Pharmacogenomics Journal
  Academic article
• Ngo, Elin Thuy Phuong; Spigset, Olav; Lupattelli, Angela; Panchaud, Alice; Annaert, Pieter; Allegaert, Karel. (2021) Antihistamine use during breastfeeding with focus on breast milk transfer and safety in humans: A systematic literature review. Basic & Clinical Pharmacology & Toxicology
  Academic article
• Lauvsnes, Anders Dahlen Forsmo; Langaas, Mette; Olsen, Alexander; Vassileva, Jasmin; Spigset, Olav; Gråwe, Rolf Wilhelm. (2021) Adhd and mental health symptoms in the identification of young adults with increased risk of alcohol dependency in the general population—the hunt4 population study. International Journal of Environmental Research and Public Health (IJERPH)
  Academic article
• Espnes, Ketil Arne; Hønnås, Arne; Løvvik, Tone Shetelig; Gundersen, Per Ole Mobråten; Naavik, Audhild; Skogvoll, Eirik. (2021) Metformin serum concentrations during pregnancy and postpartum - a clinical study in patients with polycystic ovary syndrome. . Basic & Clinical Pharmacology & Toxicology
  Academic article
• Skeie, Hanne Robbestad; Nordlund, Ragnhild; Slørdal, Lars; Spigset, Olav. (2021) Legemiddelavvik hos pasienter innlagt i sykehus. . Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Hegstad, Solfrid; Fuskevåg, Ole Martin; Amundsen, Siri; Gule, Marina; Spigset, Olav; Helland, Arne. (2021) Stability of Direct Oral Anticoagulants and Antiarrhythmic Drugs in Serum Collected in Standard (Nongel) Serum Tubes Versus Tubes Containing Gel Separators. Therapeutic Drug Monitoring
  Academic article
• Slørdal, Lars; Spigset, Olav. (2021) Mer om steroider. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Eap, C.B.; Gründer, Gerhard; Baumann, P.; Ansermot, N.; Conca, A.; Corruble, E.. (2021) Tools for optimising pharmacotherapy in psychiatry (therapeutic drug monitoring, molecular brain imaging and pharmacogenetic tests): focus on antidepressants. World Journal of Biological Psychiatry
  Academic literature review
• Brodtkorb, Eylert; Myren-Svelstad, Sverre; Knudsen-Baas, Kristin M.; Nakken, Karl Otto; Spigset, Olav. (2021) Precision treatment with nicotine in autosomal dominant sleep-related hypermotor epilepsy (ADSHE): An observational study of clinical outcome and serum cotinine levels in 17 patients. Epilepsy Research
  Academic article
• Husebye, Elisabeth Synnøve Nilsen; Riedel, Bettina Maria Ingeborg; Monsen, Anne-Lise Bjørke; Spigset, Olav; Daltveit, Anne Kjersti Nesje; Gilhus, Nils Erik. (2021) Vitamin B status and association with antiseizure medication in pregnant women with epilepsy. Epilepsia
  Academic article
• Gynnild, Mari Nordbø; Hageman, Steven HJ; Dorresteijn, Jannick AN; Spigset, Olav; Lydersen, Stian; Wethal, Torgeir. (2021) Risk Stratification in Patients with Ischemic Stroke and Residual Cardiovascular Risk with Current Secondary Prevention. Clinical Epidemiology
  Academic article
• Andersen, Sarah Hjorth; Lupattelli, Angela; Handal, Marte; Spigset, Olav; Ystrøm, Eivind; Nordeng, Hedvig Marie Egeland. (2021) Prenatal Exposure to Non-Steroidal Anti-Inflammatory Drugs and Risk of Attention-Deficit/Hyperactivity Disorder - a Follow-Up Study in the Norwegian Mother, Father and Child Cohort. Pharmacoepidemiology and Drug Safety
  Academic article
• Finanger, Trine; Spigset, Olav; Gråwe, Rolf W.; Andreassen, Trine Naalsund; Løkken, Trine Nordgård; Aamo, Trond Oskar. (2021) Phosphatidylethanol as blood biomarker of alcohol consumption in early pregnancy: An observational study in 4067 pregnant women. Alcoholism: Clinical and Experimental Research
  Academic article

2020

• Spigset, Olav. (2020) Solid lærebok i farmakologi [Kim Brøsen, Kim Dalhoff, Ulf Simonsen, red. Basal og klinisk farmakologi 6. utg. 1 218 s, tab, ill. København: FADL’s forlag, 2019. Pris DKK 1 200 ISBN 978-87-93590-25-0]. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Book review
• Galbally, Megan; Watson, Stuart J.; Spigset, Olav; Boyce, Philip; Oberlander, Tim F.; Lewis, Andrew J.. (2020) Antidepressant exposure in pregnancy and child sensorimotor and visuospatial development. Journal of Psychiatric Research
  Academic article
• Melby, Katrine; Fasmer, Ole Bernt; Henriksen, Tone Elise Gjøtterud; Gråwe, Rolf W.; Aamo, Trond Oskar; Spigset, Olav. (2020) Actigraphy assessment of motor activity and sleep in patients with alcohol withdrawal syndrome and the effects of intranasal oxytocin. PLOS ONE
  Academic article
• Gynnild, Mari Nordbø; Aakerøy, Rachel; Spigset, Olav; Askim, Torunn; Beyer, Mona Kristiansen; Ihle-Hansen, Hege. (2020) Vascular risk factor control and adherence to secondary preventive medication after ischaemic stroke. Journal of Internal Medicine
  Academic article
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2020) Correction to: Learning the effects of psychotropic drugs during pregnancy using real‑world safety data: a paradigm shift toward modern pharmacovigilance (International Journal of Clinical Pharmacy, (2018), 40, 4, (783-786), 10.1007/s11096-018-0672-2). International Journal of Clinical Pharmacy
  Errata
• Isaksen, Ingrid; Skogstad, Marte; Spigset, Olav; Slørdal, Lars. (2020) Analgetisk effekt av paracetamol ved vanlige kroniske eller residiverende smertetilstander. Norsk Farmaceutisk Tidsskrift (NFT)
  Academic literature review
• Anstensrud, Anne Kristine; Molden, Espen; Haug, Hans Jørgen; Qazi, Rehman Ul-Haq; Muriq, Hysen; Fosshaug, Linn Elisabeth Lillerud. (2020) Impact of genotype-predicted CYP2D6 metabolism on clinical effects and tolerability of metoprolol in patients after myocardial infarction – a prospective observational study. European Journal of Clinical Pharmacology
  Academic article
• Galbally, Megan; Watson, Stuart J.; Keelan, Jeffrey A.; Spigset, Olav; Lewis, Andrew. (2020) The relationship between oxytocin blood concentrations and antidepressant treatment over pregnancy and the postpartum. Progress in Neuro-psychopharmacology and Biological Psychiatry
  Academic article
• Schoretsanitis, Georgios; Westin, Andreas; Stingl, Julia C.; Deligiannidis, Kristina M.; Paulzen, Michael; Spigset, Olav. (2020) Antidepressant transfer into amniotic fluid, umbilical cord blood & breast milk: A systematic review and combined analysis. Progress in Neuro-psychopharmacology and Biological Psychiatry
  Academic literature review
• Sandvik, Pål; Lydersen, Stian; Hegstad, Solfrid; Spigset, Olav. (2020) Association between low body weight and cytochrome P-450 enzyme activity in patients with anorexia nervosa. Pharmacology Research & Perspectives
  Academic article
• Gundersen, Per Ole Mobråten; Broecker, Sebastian; Slørdal, Lars; Spigset, Olav; Josefsson, Martin. (2020) Retrospective screening of synthetic cannabinoids, synthetic opioids and designer benzodiazepines in data files from forensic post mortem samples analyzed by UHLC-QTOF-MS from 2014 to 2018. Forensic Science International
  Academic article
• Melby, Katrine; Gråwe, Rolf W.; Aamo, Trond Oskar; Skovlund, Eva; Spigset, Olav. (2020) Efficacy of self-administered intranasal oxytocin on alcohol use and craving after detoxification in patients with alcohol dependence. A double-blind placebo-controlled trial. Alcohol and Alcoholism
  Academic article
• Havnen, Hilde; Hansen, Miriam; Spigset, Olav; Hegstad, Solfrid. (2020) Enantiomeric separation and quantification of R/S‐amphetamine in serum using semi‐automated liquid‐liquid extraction and ultra‐high performance supercritical fluid chromatography‐tandem mass spectrometry. Drug Testing and Analysis
  Academic article
• Schoretsanitis, Georgios; Westin, Andreas; Deligiannidis, Kristina; Spigset, Olav; Paulzen, Michael. (2020) Excretion of Antipsychotics Into the Amniotic Fluid, Umbilical Cord Blood, and Breast Milk: A Systematic Critical Review and Combined Analysis. Therapeutic Drug Monitoring
  Academic article
• Skråstad, Ragnhild Bergene; Spigset, Olav; Aamo, Trond Oskar; Andreassen, Trine Naalsund. (2020) Stability of Phosphatidylethanol 16:0/18:1 in Freshly Drawn, Authentic Samples from Healthy Volunteers. Journal of Analytical Toxicology
  Academic article
• Schoretsanitis, Georgios; Spigset, Olav; Stingl, Julia C.; Deligiannidis, Kristina M.; Paulzen, Michael; Westin, Andreas. (2020) The impact of pregnancy on the pharmacokinetics of antidepressants: a systematic critical review and meta-analysis. Expert Opinion on Drug Metabolism & Toxicology
  Academic literature review
• Krabseth, Hege-Merete; Strømmen, Magnus; Spigset, Olav; Helland, Arne. (2020) Effect of sleeve gastrectomy on buprenorphine pharmacokinetics: A planned case observation. Clinical Therapeutics
  Academic article

2019

• Melby, Katrine; Gråwe, Rolf W.; Aamo, Trond Oskar; Salvesen, Øyvind; Spigset, Olav. (2019) Effect of intranasal oxytocin on alcohol withdrawal syndrome: A randomized placebo-controlled double-blind clinical trial. Drug and Alcohol Dependence
  Academic article
• Sæther, Grete; Dyrkorn, Roar; Spigset, Olav; Espnes, Ketil Arne. (2019) Kasuistikk: En mann med depresjon og mangelfull effekt av venlafaksin. Bioingeniøren
  Academic article
• Schjøtt, Jan; Spigset, Olav. (2019) Drug information centres and their provision of decision support: The Scandinavian experience. Journal of Clinical Pharmacy and Therapeutics
  Academic literature review
• Hjorth, Sarah ; Bromley, Rebecca; Ystrom, Eivind; Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2019) Use and validity of child neurodevelopment outcome measures in studies on prenatal exposure to psychotropic and analgesic medications – A systematic review. PLOS ONE
  Academic literature review
• Holmøy, Trygve; Fevang, Børre; Olsen, David Benee; Spigset, Olav; Bø, Lars. (2019) Adverse events with fatal outcome associated with alemtuzumab treatment in multiple sclerosis. BMC Research Notes
  Academic article
• Britz, Hannah; Hanke, Nina; Volz, Anke-Katrin; Spigset, Olav; Schwab, Matthias; Eissing, Thomas. (2019) Physiologically-based pharmacokinetic models for CYP1A2 drug-drug interaction prediction: A modeling network of fluvoxamine, theophylline, caffeine, rifampicin, and midazolam. CPT: Pharmacometrics and Systems Pharmacology (PSP)
  Academic article
• Chalabianloo, Fatemeh; Westin, Andreas; Skogvoll, Eirik; Bramness, Jørgen Gustav; Spigset, Olav. (2019) Methadone serum concentrations and influencing factors: A naturalistic observational study. Psychopharmacology
  Academic article
• Olaisen, Maya; Spigset, Olav; Flatberg, Arnar; Granlund, Atle van Beelen; Brede, wenche Rødseth; Albrektsen, Grethe. (2019) Mucosal 5-aminosalicylic acid concentration, drug formulation and mucosal microbiome in patients with quiescent ulcerative colitis. Alimentary Pharmacology and Therapeutics
  Academic article
• Jonsson, Anna K.; Spigset, Olav; Reis, Margareta. (2019) A Compilation of Serum Concentrations of 12 Antipsychotic Drugs in a Therapeutic Drug Monitoring Setting. Therapeutic Drug Monitoring
  Academic article
• Ausen, Kjersti; Pleym, Hilde; Liu, Jiayin; Hegstad, Solfrid; Nordgaard, Håvard B.; Pavlovic, Ivan. (2019) Serum Concentrations and Pharmacokinetics of Tranexamic Acid after Two Means of Topical Administration in Massive Weight Loss Skin-Reducing Surgery. Plastic and Reconstructive Surgery
  Academic article
• Ausen, Kjersti; Hagen, Anne Irene; Østbyhaug, Heidi Sæther; Olafsson, Sverrir; Kvalsund, Berit; Spigset, Olav. (2019) Topical moistening of mastectomy wounds with diluted tranexamic acid to reduce bleeding: randomized clinical trial. BJS Open
  Academic article
• Eikebrokk, Tuva Alseth; Vassmyr, Brita; Ausen, Kjersti; Gravastrand, Caroline S.; Spigset, Olav; Pukstad, Brita. (2019) Cytotoxicity and effect on wound re-epithelialization after topical administration of tranexamic acid. BJS Open
  Academic article
• Dyrkorn, Roar; Langaas, Harald Chr.; Giverhaug, Trude; Espnes, Ketil Arne; Rowett, Debra; Spigset, Olav. (2019) Academic detailing as a method of continuing medical education. Advances in Medical Education and Practice
  Academic article
• Solnør, Ludvik Saxhaug; Skeie, Øystein Stenerud; Spigset, Olav; Slørdal, Lars. (2019) Sikkerhet ved bruk av langtidsvirkende β₂-agonister ved astma. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Edvinsson, Åsa; Hellgren, Charlotte; Kallak, Theodora; Åkerud, Helena; Skalkidou, Alkistis; Stener-Victorin, Elisabet. (2019) The effect of antenatal depression and antidepressant treatment on placental tissue: a protein-validated gene expression study. BMC Pregnancy and Childbirth
  Academic article
• Hegstad, Solfrid; Spigset, Olav; Helland, Arne. (2019) Stability of 21 Antihypertensive Drugs in Serum Collected in Standard (Non-Gel) Serum Tubes versus Tubes Containing a Gel Separator. Therapeutic Drug Monitoring
  Short communication
• Husebye, Elisabeth Synnøve Nilsen; Gilhus, Nils Erik; Spigset, Olav; Daltveit, Anne Kjersti; Bjørk, Marte-Helene. (2019) Language impairment in children aged 5 and 8 years after antiepileptic drug exposure in utero – the Norwegian Mother and Child Cohort Study . European Journal of Neurology
  Academic article
• Gundersen, Per Ole Mobråten; Åstrand, Anna; Gréen, Henrik; Josefsson, Martin; Spigset, Olav; Vikingsson, Svante. (2019) Metabolite profiling of ortho-, meta- and para-fluorofentanyl by hepatocytes and high-resolution mass spectrometry. Journal of Analytical Toxicology
  Academic article

2018

• Slørdal, Lars; Spigset, Olav. (2018) Læringsmål, eksamen og legers virkelighet : . Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Lindahl, Sofia; Dyrkorn, Roar; Spigset, Olav; Hegstad, Solfrid. (2018) Quantification of apixaban, dabigatran, edoxaban, and rivaroxaban in human serum by UHPLC-MS/MS-method development, validation, and application. Therapeutic Drug Monitoring
  Academic article
• Westin, Andreas; Reimers, Arne; Spigset, Olav. (2018) Skal gravide ha lavere eller høyere legemiddeldoser?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Jönsson, Anna K.; Schill, Johan; Olsson, Hans; Spigset, Olav; Hägg, Staffan. (2018) Venous Thromboembolism During Treatment with Antipsychotics: A Review of Current Evidence. CNS Drugs
  Academic literature review
• Lien, Knut; Spigset, Olav; Westin, Andreas; Slørdal, Lars. (2018) Overgangen fra digitoksin til digoksin i årene 2011–13. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Helland, Arne; Habib, Simone; Ulvestad, Line; Spigset, Olav. (2018) Systemic inflammation complicates the interpretation of therapeutic drug monitoring of risperidone. Journal of Clinical Psychopharmacology
  Letter to the editor
• Schjøtt, Jan; Böttiger, Ylva; Damkier, Per; Reppe, Linda Amundstuen; Kampmann, Jens Peter; Christensen, Hanne Rolighed. (2018) Use of references in responses from Scandinavian drug information centres. Medicines
  Academic article
• Hegstad, Solfrid; Havnen, Hilde; Helland, Arne; Spigset, Olav; Frost, Joachim. (2018) Enantiomeric separation and quantification of R/S-amphetamine in urine by ultra-high performance supercritical fluid chromatography tandem mass spectrometry. Journal of chromatography. B
  Academic article
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2018) Learning the effects of psychotropic drugs during pregnancy using real-world safety data: a paradigm shift toward modern pharmacovigilance. International Journal of Clinical Pharmacy
  Academic article
• Gundersen, Per Ole Mobråten; Spigset, Olav; Josefsson, Martin. (2018) Screening, quantification and confirmation of synthetic cannabinoid metabolites in urine by UHPLC-QTOF-MS. Drug Testing and Analysis
  Academic article
• Husebye, Elisabeth Synnøve Nilsen; Gilhus, Nils Erik; Riedel, Bettina; Spigset, Olav; Daltveit, Anne Kjersti; Bjørk, Marte-Helene. (2018) Verbal abilities in children of mothers with epilepsy: Association to maternal folate status. Neurology
  Academic article
• Fjukstad, Katrine Kveli; Engum, Anne; Lydersen, Stian; Dieset, Ingrid; Steen, Nils Eiel; Andreassen, Ole Andreas. (2018) Metabolic risk factors in schizophrenia and bipolar disorder: The effect of comedication with selective serotonin reuptake inhibitors and antipsychotics. European psychiatry
  Academic article
• Dyrkorn, Roar; Lundgaard, Halvor; Stokes, Charlotte Lorentze; Molden, Espen; Spigset, Olav. (2018) Serumkonsentrasjonsmålinger av DOAK-legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Mauseth, Siri Ann; Skurtveit, Svetlana; Skovlund, Eva; Langhammer, Arnulf; Spigset, Olav. (2018) Medication use and association with urinary incontinence in women: Data from the Norwegian Prescription Database and the HUNT study. Neurourology and Urodynamics
  Academic article
• Galbally, Megan; Ryan, Joanne; van IJzendoorn, Marinus; Watson, Stuart J.; Spigset, Olav; Lappas, Martha. (2018) Maternal depression, antidepressant use and placental oxytocin receptor DNA methylation: Findings from the MPEWS study. Psychoneuroendocrinology
  Academic article
• Haidl, Frans Felxi; Rosseland, Leiv Arne; Spigset, Olav; Dahl, Vegard. (2018) Effects of Adrenaline on maternal and fetal fentanyl absorption in epidural analgesia: a randomized trial. Acta Anaesthesiologica Scandinavica
  Academic article
• Gundersen, Per Ole Mobråten; Helland, Arne; Spigset, Olav; Hegstad, Solfrid. (2018) Quantification of 21 antihypertensive drugs in serum using UHPLC-MS/MS. Journal of chromatography. B
  Academic article
• Langaas, Harald Chr.; Hurley, Eimir; Dyrkorn, Roar; Spigset, Olav. (2018) Effectiveness of an academic detailing intervention in primary care on the prescribing of non-steroidal anti-inflammatory drugs. European Journal of Clinical Pharmacology
  Academic article

2017

• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2017) Norsk oversettelse av forskrivningsverktøyet STOPPFrail. Norsk Farmaceutisk Tidsskrift (NFT)
  Article in business/trade/industry journal
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Spigset, Olav. (2017) Selective serotonin reuptake inhibitors and venlafaxine in pregnancy: Changes in drug disposition. PLOS ONE
  Academic article
• Sund, Janne Kutschera; Sletvold, Olav; Mellingsæter, Trude Cecilie; Hukari, Randi; Hole, Torstein; Uggen, Per Einar. (2017) Discrepancies in drug histories at admission to gastrointestinal surgery, internal medicine and geriatric hospital wards in Central Norway: A cross-sectional study. BMJ Open
  Academic article
• Castberg, Ingrid Mehli; Westin, Andreas; Skogvoll, Eirik; Spigset, Olav. (2017) Effects of age and gender on the serum levels of clozapine, olanzapine, risperidone, and quetiapine. Acta Psychiatrica Scandinavica
  Academic article
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Aadal, Marianne; Spigset, Olav. (2017) Changes in drug disposition of lithium during pregnancy: A retrospective observational study of patient data from two routine therapeutic drug monitoring services in Norway. BMJ Open
  Academic article
• Holmsen, Solveig Thorp; Havnen, Gro Cecilie; Nordmo, Elisabet N; Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2017) Re: Familieplanlegging, graviditet og amming ved multippel sklerose :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Lupattelli, Angela; Wood, Mollie; Lapane, Kate L; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2017) Risk of preeclampsia after gestational exposure to selective serotonin reuptake inhibitors and other antidepressants: A study from The Norwegian Mother and Child Cohort Study. Pharmacoepidemiology and Drug Safety
  Academic article
• Reppe, Linda Amundstuen; Spigset, Olav; Kampmann, Jens Peter; Damkier, Per; Christensen, Hanne Rolighed; Böttiger, Ylva. (2017) Quality assessment of structure and language elements of written responses given by seven Scandinavian drug information centres. European Journal of Clinical Pharmacology
  Academic article
• Hegstad, Solfrid; Kristoffersen, Lena; Liane, Veronica Horpestad; Spigset, Olav. (2017) EtG and EtS in autopsy blood samples with and without putrefaction using UPLC-MS-MS. Journal of Analytical Toxicology
  Academic article
• Helland, Arne; Spigset, Olav. (2017) Serum concentrations of paliperidone after administration of the long-acting injectable formulation. Therapeutic Drug Monitoring
  Academic article
• Galbally, Megan; Spigset, Olav; Johnson, Andrew R.; Kohan, Rolland; Lappas, Martha; Lewis, Andrew J.. (2017) Neonatal adaptation following intrauterine antidepressant exposure: assessment, drug assay levels, and infant development outcomes. Pediatric Research
  Academic article
• Andreassen, Trine Naalsund; Havnen, Hilde; Spigset, Olav; Falch, Berit Margrethe Hasle; Skråstad, Ragnhild Bergene. (2017) Hight throughput UHPC-MSMS method for the analysis of phosphatidylethanol (PEth) 16:0/18:1, a specific biomarker for alcohol consumption, in whole blood. Journal of Analytical Toxicology
  Academic article
• Westin, Andreas; Brekke, Malin; Molden, Espen; Skogvoll, Eirik; Castberg, Ingrid Mehli; Spigset, Olav. (2017) Treatment with antipsychotics in pregnancy: changes in drug disposition. Clinical Pharmacology and Therapeutics
  Academic article
• Bjørk, Marte Helene; Riedel, Bettina; Spigset, Olav; Veiby, Gyri; Kolstad, Eivind; Daltveit, Anne Kjersti. (2017) Association of folic acid supplementation during pregnancy with the risk of autistic traits in children exposed to antiepileptic drugs in utero. JAMA Neurology
  Academic article
• Mauseth, Siri Ann; Skurtveit, Svetlana; Langhammer, Arnulf; Spigset, Olav. (2017) Incidence of and factors associated with anticholinergic drug use among Norwegian women with urinary incontinence. International Urogynecology Journal
  Academic article
• Thu, Ole Kristian Forstrønen; Spigset, Olav; Hellum, Bent Håvard. (2017) Noncompetitive inhibition of human CYP2C9 in vitro by a commercial Rhodiola rosea product. Pharmacology Research & Perspectives
  Academic article
• Hegstad, Solfrid; Helland, Arne; Hagemann, Cecilie Therese; Spigset, Olav. (2017) EtG/EtS in Serum by UHPLC-MS-MS in Suspected Sexual Assault Cases. Journal of Analytical Toxicology
  Academic article
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2017) Norsk oversettelse av forskrivningsverktøyet STOPPFrail. Norsk Farmaceutisk Tidsskrift (NFT)
  Article in business/trade/industry journal
• Smith, Robert Løvsletten; Haslemo, Tore; Andreassen, Ole Andreas; Eliasson, Erik; Dahl, Marja-Liisa; Spigset, Olav. (2017) Correlation between serum concentrations of N-desmethylclozapine and granulocyte levels in patients with schizophrenia: a retrospective observational study. CNS Drugs
  Academic article
• Heltne, Marianne; Saltvedt, Ingvild; Lydersen, Stian; Prestmo, Anders; Sletvold, Olav; Spigset, Olav. (2017) Patterns of drug prescriptions in an orthogeriatric ward as compared to orthopaedic ward: results from the Trondheim Hip Fracture Trial?a randomised clinical trial. European Journal of Clinical Pharmacology
  Academic article
• Hegstad, Solfrid; Havnen, Hilde; Helland, Arne; Falch, Berit Margrethe Hasle; Spigset, Olav. (2017) Enantiomeric separation and quantification of citalopram in serum by ultra-high performance supercritical fluid chromatography-tandem mass spectrometry. Journal of chromatography. B
  Academic article

2016

• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari. (2016) Serum concentrations of mood stabilizers are associated with memory, but not other cognitive domains in psychosis spectrum disorders; explorative analyses in a naturalistic setting. International journal of bipolar disorders
  Academic article
• Hagen, Nina Therese; Spigset, Olav. (2016) Sulfaallergi – hvilke legemidler må pasienten unngå på grunn av risiko for kryssreaksjon?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Nezvalova-Henriksen, Katerina; Wood, Mollie; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2016) Association of Prenatal Ibuprofen Exposure with Birth Weight and Gestational Age: A Population-Based Sibling Study. PLOS ONE
  Academic article
• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari. (2016) Serum levels of second-generation antipsychotics are associated with cognitive function in psychotic disorders. World Journal of Biological Psychiatry
  Academic article
• Fjukstad, Katrine Kveli; Engum, Anne; Lydersen, Stian; Dieset, Ingrid; Steen, Nils Eiel; Andreassen, Ole Andreas. (2016) Metabolic abnormalities related to treatment with selective serotonin reuptake inhibitors in patients with schizophrenia or bipolar disorder. Journal of Clinical Psychopharmacology
  Academic article
• Aakerøy, Rachel; Skråstad, Ragnhild; Helland, Arne; Hilberg, Thor; Aamo, Trond Oskar; Dyrkorn, Roar. (2016) Nye markører for påvisning av alkoholbruk. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Lundgaard, Halvor; Dyrkorn, Roar; Stokes, Charlotte Lorentze; Molden, Espen; Spigset, Olav. (2016) Tryggere behandling med serumkonsentrasjonsmåling av de nye antikoagulasjonsmidlene?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2016) Safety of Psychotropic Drugs in Pregnancy and Breastfeeding. Springer Publishing Company
  Academic chapter/article/Conference paper
• Nordeng, Hedvig Marie Egeland; Kaplan, Yusuf Cem; Spigset, Olav. (2016) Antipsychotics during Breastfeeding. Nova Science Publishers
  Academic chapter/article/Conference paper
• Thu, Ole Kristian Forstrønen; Spigset, Olav; Nilsen, Odd Georg; Hellum, Bent Håvard. (2016) Effect of commercial Rhodiola rosea on CYP enzyme activity in humans. European Journal of Clinical Pharmacology
  Academic article
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Brandlistuen, Ragnhild Eek; Ystrøm, Eivind; Koren, Gideon; Nordeng, Hedvig Marie Egeland. (2016) Effect of prenatal selective serotonin reuptake inhibitor (SSRI) exposure on birthweight and gestational age: a sibling-controlled cohort study. International Journal of Epidemiology
  Academic article
• Reppe, Linda Amundstuen; Lydersen, Stian; Schjøtt, Jan; Damkier, Per; Christensen, Hanne Rolighed; Kampmann, Jens Peter. (2016) Relationship Between Time Consumption and Quality of Responses to Drug-Related Queries:A Study From Seven Drug Information Centers in Scandinavia. Clinical Therapeutics
  Academic article
• Strømmen, Magnus; Helland, Arne; Kulseng, Bård Eirik; Spigset, Olav. (2016) Increased bioavailability of methadone following sleeve gastrectomy - a planned case observation. Clinical Therapeutics
  Academic article
• Reppe, Linda Amundstuen; Spigset, Olav; Schjøtt, Jan. (2016) Drug information services today: current role and future perspectives in rational drug therapy. Clinical Therapeutics
  Academic article
• Kaplan, Yusuf Cem; Spigset, Olav. (2016) Comment to the article 'Use of psychotropic drugs during pregnancy and breast-feeding'. Acta Psychiatrica Scandinavica
  Letter to the editor
• Söderberg, Carl; Wernvik, Emma; Tillmar, Andreas; Spigset, Olav; Kronstrand, Robert; Reis, Margareta. (2016) Antipsychotics - Postmortem fatal and non-fatal reference concentrations. Forensic Science International
  Academic article
• Hem, Erlend; Spigset, Olav. (2016) Serotonergt eller serotoninergt syndrom?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article

2015

• Ranhoff, Anette Hylen; Bakken, Marit Stordal; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2015) Bedre legemiddelbehandling av eldre. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Article in business/trade/industry journal
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2015) Norwegian translation of START and STOPP 2. Norsk Farmaceutisk Tidsskrift (NFT)
  Article in business/trade/industry journal
• Andreassen, Trine Naalsund; Falch, Berit Margrethe Hasle; Spigset, Olav. (2015) A UPLC-MSMS method for the analysis of olanzapine in serum-with particular emphasis on drug stability testing. Journal of chromatography. B
  Academic article
• Spigset, Olav; Samdal, Hilde; Harg, Pernille; Werner, Maren Caroline; Fjermeros, Kamilla. (2015) O. Spigset og medarbeidere svarer. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Slørdal, Lars; Spigset, Olav; Westin, Andreas. (2015) Re: Der solen aldri skinner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Slørdal, Lars; Spigset, Olav; Garberg, Hedda Rosland; Gladsø, Kristin Haugen. (2015) L. Slørdal og medarbeidere svarer:. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Letter to the editor
• Reppe, Linda Amundstuen; Schjøtt, Jan; Spigset, Olav. (2015) The Drug Information Centre in 2015 – still a valid concept?. Clinical Therapeutics
  Abstract
• Moen, Trine; Slørdal, Lars; Spigset, Olav. (2015) Erfaringer og tilfredshet hos apotekkunder : generisk bytte av legemidler. Norsk Farmaceutisk Tidsskrift (NFT)
  Academic article
• Ausen, Kjersti; Fossmark, Reidar; Spigset, Olav; Pleym, Hilde. (2015) Randomized clinical trial of topical tranexamic acid after reduction mammoplasty. British Journal of Surgery
  Academic article
• ABOU-ARAB, MOHAMMAD HASSAN; Feiner, John R.; Spigset, Olav; Heier, Tom. (2015) Alfentanil during rapid sequence induction with thiopental 4 mg/kg and rocuronium 0.6 mg/kg: Tracheal intubation conditions. Acta Anaesthesiologica Scandinavica
  Academic article
• Amundsen, Siri; Nordeng, Hedvig Marie Egeland; Nezvalova-Henriksen, Katerina; Stovner, Lars Jacob; Spigset, Olav. (2015) Pharmacological treatment of migraine during pregnancy and breastfeeding. Nature Reviews Neurology
  Academic literature review
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Wood, Mollie; Nordeng, Hedvig Marie Egeland. (2015) The effect of prenatal nonsteroidal anti-inflammatory drug (NSAID) exposure on immediate pregnancy outcomes – A sibling controlled cohort study. Reproductive Toxicology
  Abstract
• Bjørk, Marte Helene; Veiby, Gyri; Reiter, Simone B. C. Frizell; Berle, Jan Øystein; Daltveit, Anne Kjersti; Spigset, Olav. (2015) Depression and anxiety in women with epilepsy during pregnancy and after delivery: a prospective population-based cohort study on frequency, risk factors, medication, and prognosis. Epilepsia
  Academic article
• Helland, Arne; Syrstad, Vigdis Elin; Spigset, Olav. (2015) Prolonged elimination of paliperidone after administration of paliperidone palmitate depot injections. Journal of Clinical Psychopharmacology
  Letter to the editor
• Gjestad, Caroline; Westin, Andreas; Skogvoll, Eirik; Spigset, Olav. (2015) Effect of proton pump inhibitors on the serum concentrations of the selective serotonin reuptake inhibitors citalopram, escitalopram, and sertraline. Therapeutic Drug Monitoring
  Academic article
• Steen, Nils Eiel; Aas, Monica; Simonsen, Carmen Elisabeth; Dieset, Ingrid; Tesli, Martin Steen; Nerhus, Mari. (2015) Serum level of venlafaxine is associated with better memory in psychotic disorders. Schizophrenia Research
  Academic article
• Thu, Ole Kristian Forstrønen; Hellum, Bent Håvard; Nilsen, Odd Georg; Spigset, Olav. (2015) Cytochrome P-450 (CYP) inhibition by commercial Rhodiola rosea products in vitro and in humans and the relevance of their constituents. NTNU-trykk
  Medical Student Research Thesis
• Amundsen, Siri; Poole, Anne Christine; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2015) Farmakologisk behandling av migrene. Norsk Farmaceutisk Tidsskrift (NFT)
  Academic literature review
• Lupattelli, Angela; Spigset, Olav; Björnsdottir, Ingunn; Hämeen-Anttila, Katri; Mårdby, Ann-Charlotte; Panchaud, Alice. (2015) Patterns and factors associated with low adherence to psychotropic medications during pregnancy - a cross-sectional, multinational web-based study. Depression and Anxiety
  Academic article
• Lupattelli, Angela; Spigset, Olav; Torgersen, Leila; Zerwas, Stephanie; Hatle, Marianne; Reichborn-Kjennerud, Ted. (2015) Medication Use before, during, and after Pregnancy among Women with Eating Disorders: A Study from the Norwegian Mother and Child Cohort Study. PLOS ONE
  Academic article
• Hegstad, Solfrid; Westin, Andreas; Spigset, Olav. (2015) Detection times of carboxylic acid metabolites of the synthetic cannabinoids JWH-018 and JWH-073 in human urine. Journal of Analytical Toxicology
  Academic article
• Athanasiu, Lavinia; Smorr, Lisa-Lena H; Tesli, Martin Steen; Røssberg, Jan Ivar; Sønderby, Ida Elken; Spigset, Olav. (2015) Genome-wide association study identifies common variants associated with pharmacokinetics of psychotropic drugs. Journal of Psychopharmacology
  Academic article
• Fjermeros, Kamilla; Werner, Maren Caroline; Harg, Pernille; Samdal, Hilde; Slørdal, Lars; Spigset, Olav. (2015) Melding av legemiddelbivirkninger fra pasienter 2010 - 13. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Granås, Anne Gerd; Ruths, Sabine; Ranhoff, Anette Hylen; Langørgen, Aina G.; Spigset, Olav; Bakken, Marit Stordal. (2015) Norsk oversettelse av START 2 og STOPP 2. Norsk Farmaceutisk Tidsskrift (NFT)
  Short communication
• Ranhoff, Anette Hylen; Bakken, Marit Stordal; Granås, Anne Gerd; Langørgen, Aina G.; Spigset, Olav; Ruths, Sabine. (2015) Bedre legemiddelbehandling av eldre. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Short communication
• Slørdal, Lars; Spigset, Olav; Garberg, Hedda Rosland; Gladsø, Kristin Haugen. (2015) L. Slørdal og medarbeidere svarer:. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Møllersen, Marie Viel; Norgård, Helle; Spigset, Olav; Slørdal, Lars. (2015) Hjerte, smerte - kardiovaskulær sikkerhet og ikke-steroide antiinflammatoriske midler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Haugen, Wenche; Spigset, Olav. (2015) Hvordan forebygge residiverende urinveisinfeksjoner etter menopausen? :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article

2014

• Bakken, Marit Stordal; Ruths, Sabine; Ranhoff, Anette Hylen; Spigset, Olav; Langørgen, Aina G.; Granås, Anne Gerd. (2014) START og STOPP 2, Norwegian translation. Norsk elektronisk legehåndbok
  Article in business/trade/industry journal
• Søraas, Ingvild Aune; Staurset, Hanne Baust; Slørdal, Lars; Spigset, Olav. (2014) Legemiddelinteraksjoner hos pasienter i sykehjem. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Lupattelli, Angela; Spigset, Olav; Twigg, Michael J.; Zagorodnikova, Ksenia; Mårdby, Ann-Charlotte; Moretti, Myla Emily. (2014) Medication use in pregnancy: a cross-sectional, multinational web-based study. BMJ Open
  Academic article
• Lupattelli, Angela; Spigset, Olav; Koren, Gideon; Nordeng, Hedvig Marie Egeland. (2014) Risk of Vaginal Bleeding and Postpartum Hemorrhage After Use of Antidepressants in Pregnancy: A Study From the Norwegian Mother and Child Cohort Study. Journal of Clinical Psychopharmacology
  Short communication
• Sandli, Oda Kristine; Spigset, Olav; Slørdal, Lars. (2014) Polypillen som kardiovaskulær profylakse - kliniske studier. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Nordeng, Hedvig M Egeland; Gjerdalen, G; Brede, wenche Rødseth; Michelsen, Lisbeth Solem; Spigset, Olav. (2014) Transfer of aripiprazole to breast milk: A case report. Journal of Clinical Psychopharmacology
  Letter to the editor
• Myren-Svelstad, Sverre; Spigset, Olav; Larsen, Øivind. (2014) Vakthund i journalen. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Short communication
• Spigset, Olav. (2014) Fårfarlig pillecocktail på sykehjem . Adresseavisen
  Interview Journal
• Spigset, Olav. (2014) Sykehjemspasienter. Tidens Krav
  Interview Journal
• Spigset, Olav. (2014) HUNT med møte om eldre og multimedisinering . Trønder-avisa
  Interview Journal
• Bjørk, Marte Helene; Veiby, Gyri; Spigset, Olav; Gilhus, Nils Erik. (2014) Using the Norwegian Mother and Child Cohort Study to determine risk factors for delayed development and neuro-psychiatric symptoms in the offspring of parents with epilepsy. Norsk Epidemiologi
  Academic article
• Spigset, Olav. (2014) Läkemedel. Liber
  Chapter
• Westin, Andreas; Espnes, Ketil Arne; Larsen, Ruth-Anne Rasch; Bjånes, Tormod Karlsen; Berg, Jon Andsnes; Spigset, Olav. (2014) Rusmiddelanalyser i Norge. Bioingeniøren
  Academic literature review
• Gladsø, Kristin Haugen; Garberg, Hedda Rosland; Spigset, Olav; Slørdal, Lars. (2014) Skriftlig legemiddelreklame - fremdeles ikke til å stole på? :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Slørdal, Lars; Spigset, Olav. (2014) Re: Østrogentilskudd og forskningsparadigmer :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Hegstad, Solfrid; Hermansson, S; Betner, I; Spigset, Olav; Falch, Berit Margrethe Hasle. (2014) Screening and quantitative determination of drugs of abuse in diluted urine by UPLC-MS/MS. Journal of chromatography. B
  Academic article
• Reppe, Linda Amundstuen; Spigset, Olav; Böttiger, Ylva; Christensen, Hanne Rolighed; Kampmann, Jens Peter; Damkier, Per. (2014) Factors associated with time consumption when answering drug-related queries to Scandinavian drug information centres: a multi-centre study. European Journal of Clinical Pharmacology
  Academic article
• Slørdal, Lars; Spigset, Olav. (2014) Interessekonflikter og forskningsparadigmer. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Letter to the editor
• Sandli, Oda Kristine; Spigset, Olav; Slørdal, Lars. (2014) Polypillen – et alternativt konsept i kardiovaskulær profylakse :. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2014) Adherence to medication for chronic disorders during pregnancy: results from a multinational study. International Journal of Clinical Pharmacy
  Academic article
• Spigset, Olav. (2014) 30 medisiner daglig på sykehjem . Telemarksavisa
  Interview Journal

2013

• Lupattelli, Angela; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Risk of vaginal bleeding after use of antidepressants in pregnancy: a study from the norwegian mother and child cohort study. Reproductive Toxicology
  Abstract
• Lupattelli, Angela; Spigset, Olav; Twigg, MJ; Zagorodnikova, Ksenia; Mårdby, Ann-Charlotte; Moretti, Myla. (2013) Medication use during pregnancy: a multinational perspective. Pharmacoepidemiology and Drug Safety
  Abstract
• Mauseth, Siri Ann; Skurtveit, Svetlana; Spigset, Olav. (2013) Adherence, persistence and switch rates for anticholinergic drugs used for overactive bladder in women: data from the Norwegian Prescription Database. Acta Obstetricia et Gynecologica Scandinavica
  Academic article
• Lupattelli, Angela; Spigset, Olav; Moretti, M.; Nordeng, Hedvig Marie Egeland. (2013) Medication Use during Pregnancy: A Multinational Perspective. Birth Defects Research Part A: Clinical and Molecular Teratology
  Abstract
• Stallvik, Marianne; Nordstrand, Berit; Kristensen, Øistein; Bathen, Jørn; Skogvoll, Eirik; Spigset, Olav. (2013) Corrected QT interval during treatment with methadone and buprenorphine-Relation to doses and serum concentrations. Drug and Alcohol Dependence
  Academic article
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Effects of ibuprofen, diclofenac, naproxen, and piroxicam on the course of pregnancy and pregnancy outcome: a prospective cohort study. BJOG: An International Journal of Obstetrics and Gynaecology
  Academic article
• Spigset, Olav; Westin, Andreas Austgulen. (2013) Detection Times of Pregabalin in Urine After Illicit Use: When Should a Positive Specimen Be Considered a New Intake?. Therapeutic Drug Monitoring
  Academic article
• Hegstad, Solfrid; Helland, Arne; Hagemann, Cecilie Therese; Michelsen, Lisbeth Solem; Spigset, Olav. (2013) EtG/EtS in Urine from Sexual Assault Victims Determined by UPLC-MS-MS. Journal of Analytical Toxicology
  Academic article
• Sigurdh, Jeanette; Allard, Per; Spigset, Olav; Hägglöf, Bruno. (2013) Platelet serotonin transporter and 5-HT2A receptor binding in adolescents with eating disorders. International Journal of Neuroscience
  Academic article
• Ringen, Petter Andreas; Melle, Ingrid; Berg, Akiah Ottesen; Agartz, Ingrid; Spigset, Olav; Simonsen, Carmen Elisabeth. (2013) Cannabis use and premorbid functioning as predictors of poorer neurocognition in schizophrenia spectrum disorder. Schizophrenia Research
  Academic article
• Rørdam, Ole Martin; Grimstad, Øystein; Spigset, Olav; Ryggen, Kristin. (2013) Giant orf with prolonged recovery in a patient with psoriasis arthritis treated with etanercept. Acta Dermato-Venereologica
  Reader opinion piece
• Nordeng, Hedvig Marie Egeland; Spigset, Olav. (2013) Legemidler og bruken av dem. Gyldendal Akademisk Gyldendal Akademisk
  Textbook
• Skjaervold, Nils Kristian; Østling, Dan; Hjelme, Dag Roar; Spigset, Olav; Lyng, Oddveig; Aadahl, Petter. (2013) Blood Glucose Control Using a Novel Continuous Blood Glucose Monitor and Repetitive Intravenous Insulin Boluses: Exploiting Natural Insulin Pulsatility as a Principle for a Future Artificial Pancreas. International Journal of Endocrinology
  Academic article
• Helland, Arne; Syrstad, Vigdis Elin Giæver; Spigset, Olav. (2013) Prolonged Elimination Time of Paliperidone After Administration of Paliperidone Palmitate Depot Injections. Therapeutic Drug Monitoring
  Abstract
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2013) Triptan safety during pregnancy: a Norwegian population registry study. European Journal of Epidemiology (EJE)
  Academic article
• Persheim, Marthe Sæther; Helland, Arne; Slørdal, Lars; Spigset, Olav. (2013) Potensielt vanedannende legemidler på blåresept ved kroniske sterke smerter. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Storflor, Janne Guldteig; Pettersen, Linn Carina; Slørdal, Lars; Spigset, Olav. (2013) Legemidlers pakningsvedlegg – ulik informasjon om like preparater. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Baardseth, Mari; Lynghei, Ellen; Flåte, Sølvi; Spigset, Olav; Slørdal, Lars. (2013) Legemiddelsaker i Norsk pasientskadeerstatning. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Hagemann, Cecilie Therese; Helland, Arne; Spigset, Olav; Espnes, Ketil Arne; Ormstad, Kari; Schei, Berit. (2013) Ethanol and drug findings in women consulting a Sexual Assault Center - Associations with clinical characteristics and suspicions of drug-facilitated sexual assault. Journal of Forensic and Legal Medicine
  Academic article

2012

• Husby, Kristin Moksnes; Kaasa, Stein; Paulsen, Ørnulf; Rosland, Jan Henrik; Spigset, Olav; Dale, Ola. (2012) Serum concentrations of opiods when comparing two switching strategies to methadone for cancer pain. European Journal of Clinical Pharmacology
  Academic article
• Nordeng, Hedvig Marie Egeland; van Gelder, Marleen MHJ; Spigset, Olav; Koren, Gideon; Einarson, Adrienne; Eberhard-Gran, Malin M C. (2012) Pregnancy Outcome After Exposure to Antidepressants and the Role of Maternal Depression: Results From the Norwegian Mother and Child Cohort Study. Journal of Clinical Psychopharmacology
  Academic article
• Skjaervold, Nils Kristian; Lyng, Oddveig; Spigset, Olav; Aadahl, Petter. (2012) Pharmacology of Intravenous Insulin Administration: Implications for Future Closed-Loop Glycemic Control by the Intravenous/Intravenous Route. Diabetes Technology & Therapeutics
  Academic article
• Güzey, Cüneyt; Allard, P; Brännström, Thomas; Spigset, Olav. (2012) Radioligand Binding to Brain Dopamine and Serotonin Receptors and Transporters in Parkinson's Disease: Relation to Gene Polymorphisms. International Journal of Neuroscience
  Academic article
• Jönsson, Anna K.; Spigset, Olav; Hägg, Staffan. (2012) Venous Thromboembolism in Recipients of Antipsychotics Incidence, Mechanisms and Management. CNS Drugs
  Academic literature review
• Lupattelli, Angela; Spigset, Olav; Moretti, M; Koren, G; Nordeng, Hedvig Marie Egeland. (2012) Medication Use and Information Needs during Pregnancy: An International Survey. Birth Defects Research Part A: Clinical and Molecular Teratology
  Abstract
• Nordeng, Hedvig M Egeland; Havnen, Gro Cecilie; Spigset, Olav. (2012) Legemiddelbruk ved amming. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Espnes, Ketil Arne; Løvaas, Rikke Holm; Spigset, Olav. (2012) Eldre mann med atrieflimmer og forverret diabetes. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Aa, Erlend; Helland, Arne; Spigset, Olav. (2012) Kvetiapin kan ha misbrukspotensial. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2012) Errata in "Triptan Exposure During Pregnancy and the Risk of Major Congenital Malformations and Adverse Pregnancy Outcomes: Results From the Norwegian Mother and Child Cohort Study". Headache
  Reader opinion piece
• Espnes, Ketil Arne; Heimdal, Kent Ove; Spigset, Olav. (2012) A Puzzling Case of Increased Serum Clozapine Levels in a Patient With Inflammation and Infection. Therapeutic Drug Monitoring
  Academic article
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig Marie Egeland. (2012) Erratum to: Effects of codeine on pregnancy outcome: results from a large population-based cohort study. European Journal of Clinical Pharmacology
  Letter to the editor
• Westin, Andreas Austgulen; Larsen, Ruth-Anne Rasch; Espnes, Ketil Arne; Spigset, Olav. (2012) Legemiddelanalyser i Norge. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Hov, Ingrid; Bjartnes, Margunn; Slørdal, Lars; Spigset, Olav. (2012) Tas legemidler som foreskrevet?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Hagemann, Cecilie Therese; Spigset, Olav; Helland, Arne; Espnes, Ketil Arne; Ormstad, Kari; Schei, Berit. (2012) Alcohol and drug findings in women subjected to sexual assault in Trondheim, Norway - associations with background and assault characteristics and clinical variables. Acta Obstetricia et Gynecologica Scandinavica
  Abstract
• Frost, Joachim; Spigset, Olav. (2012) Opioidindusert kløe. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Article in business/trade/industry journal
• Mauseth, Siri Ann; Spigset, Olav; Skurtveit, Svetlana. (2012) Patterns of Use of Antimuscarinic Drugs for Overactive Bladder: A Study of the Norwegian Prescription Database. Pharmacoepidemiology and Drug Safety
  Abstract
• Løkken, Per; Skjelbred, Per; Skoglund, Lasse Ansgar; Hovland, Kjersti; Spigset, Olav. (2012) Munnstell med klorheksidin forebygger pneumoni hos intuberte pasienter. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Short communication

2011

• Guzey, Ismail Cuneyt; Lopez Rodriguez, Rosario; Myhre, Ronny; Spigset, Olav. (2011) Allele and Genotype Frequencies of Serotonin and Dopamine Transporter and Receptor Polymorphisms in a Norwegian Population. Genetic Testing and Molecular Biomarkers
  Academic article
• Berle, Jan Øystein; Solberg, Dag Kristen; Spigset, Olav. (2011) Behandling av bipolar lidelse under svangerskap og etter fødsel. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Berle, Jan Øystein; Solberg, Dag Kristen; Spigset, Olav. (2011) Behandling av bipolar lidelse under svangerskap og etter fødsel. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Dyrkorn, Roar; Reimers, Arne; Johannessen, Ludvig; Spigset, Olav. (2011) Dekker rusmiddeltester i urin de aktuelle misbruksstoffene?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav. (2011) Drug-induced aortic aneurysms, ruptures and dissections. IntechOpen
  Academic chapter/article/Conference paper
• Berle, Jan Øystein; Spigset, Olav. (2011) Antidepressant use during breastfeeding. Current Women`s Health Reviews
  Academic article
• Spigset, Olav. (2011) Serotonergt syndrom : en særegen legemiddelbivirkning. Norsk Farmaceutisk Tidsskrift (NFT)
  Academic literature review
• Øvrehus, Marius Altern; Spigset, Olav; Zahlsen, Kolbjørn; Brunsvik, Anders; Aarset, Harald; Aasarød, Knut. (2011) En ung kvinne med nyresvikt. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Reppe, Linda Amundstuen; Sandstad, Hilde Gunn; Spigset, Olav; Schjøtt, Jan. (2011) Hvordan er kvaliteten på omtalen av interaksjoner i Felleskatalogen?. Norsk Farmaceutisk Tidsskrift (NFT)
  Academic article
• Pleym, Hilde; Greiff, Guri; Mjörndal, Tom; Stenseth, Roar; Wahba, Alexander; Spigset, Olav. (2011) Effect of serotonin reuptake inhibitors on pulmonary hemodynamics in humans. Journal of Clinical Medicine Research
  Academic article
• Sund, Janne Kutschera; Mellingsæter, Trude C; Hukari, R; Sletvold, Olav; Hole, Torstein; Vadset, Petra Thiemann. (2011) Discrepancies of drug histories in geriatric patients admitted to hospital. International Journal of Clinical Pharmacology Research
  Abstract
• Molden, Espen; Spigset, Olav. (2011) Interaksjoner mellom metoprolol og antidepressive legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig M Egeland. (2011) Effects of codeine on pregnancy outcome: results from a large population-based cohort study. European Journal of Clinical Pharmacology
  Academic article
• Hellum, Bent Håvard; Spigset, Olav; Nilsen, Odd Georg. (2011) Bioanalytical method validation of LC-MSMS, GC-MS and HPLC assays used for analyzing substrates and metabolites included in Inje's cocktail. Toxicology Letters
  Abstract

2010

• Davies, SJC; Westin, Andreas Austgulen; Castberg, Ingrid Mehli; Lewis, G; Lennard, MS; Taylor, S. (2010) Characterisation of zuclopenthixol metabolism by in vitro and therapeutic drug monitoring studies. Acta Psychiatrica Scandinavica
  Academic article
• Frost, Joachim; Sandvik, Pål; Spigset, Olav. (2010) Sexual dysfunction induced by antidepressants. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Wekre, Liv Johanne; Spigset, Olav; Sletvold, Olav; Sund, Janne Kutschera; Grimsmo, Anders. (2010) Multidose drug dispensing and discrepancies between medication records. Quality and Safety in Healthcare
  Academic article
• Hellum, Bent Håvard; Spigset, Olav; Nilsen, Odd Georg. (2010) Validation document of analytical assays used in the "Inje cocktail" for phenotyping of CYP1A2, CYP2C9, CYP2C19, CYP2D6 and CYP3A. NTNU TRYKK
  Report
• Reppe, Linda Amundstuen; Spigset, Olav; Schjøtt, Jan. (2010) Which factors predict the time spent answering queries to a drug information centre?. Pharmacy World & Science (PWS)
  Academic article
• Sandø, Alina Desiree; Aanes, Siv Gyda; Slørdal, Lars; Spigset, Olav. (2010) Rutiner ved førstegangs forskrivning av p-piller. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Berg, Ansgar; Furu, Kari; Spigset, Olav; Einen, Margrete. (2010) Bør barn behandles med efedrin mikstur?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig. (2010) Triptan exposure during pregnancy and the risk of major congenital malformations and adverse pregnancy outcomes: results from the Norwegian Mother and Child Cohort Study. Headache
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2010) Munnskylling med klorheksidin for å forebygge pneumoni. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Jonsson, AK; Hakkarainen, KM; Spigset, Olav; Druid, H; Hiselius, A; Hagg, S. (2010) Preventable drug related mortality in a Swedish population. Pharmacoepidemiology and Drug Safety
  Academic article
• Lea, Dordi; Spigset, Olav; Slørdal, Lars. (2010) Norwegian medical students' attitudes towards the pharmaceutical industry. European Journal of Clinical Pharmacology
  Academic article
• Vandraas, Kathrine F; Spigset, Olav; Mahic, Milada; Slørdal, Lars. (2010) Non-steroidal anti-inflammatory drugs: use and co-treatment with potentially interacting medications in the elderly. European Journal of Clinical Pharmacology
  Academic article
• Hønnås, Arne; Reimers, Arne; Spigset, Olav. (2010) Dosering av digitoksin i klinisk praksis. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article

2009

• Castberg, Ingrid Mehli; Spigset, Olav. (2009) Irreversible, uselektive monoaminoksidasehemmere. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Westin, Andreas Austgulen; Walstad, Rolf Aksel; Spigset, Olav. (2009) Må penicillin tas utenom måltider?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Spigset, Olav. (2009) Spontanrapportering av bivirkninger: en viktig brikke i et stort puslespill. Norsk Farmaceutisk Tidsskrift (NFT)
  Editorial
• Hagg, S; Jonsson, AK; Spigset, Olav. (2009) Risk of venous thromboembolism due to antipsychotic drug therapy. Expert Opinion on Drug Safety
  Academic literature review
• molden, espen; Spigset, Olav. (2009) Tobakksrøyking og interaksjoner med legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Lia, Kjersti; Spigset, Olav; Slørdal, Lars. (2009) Kjøring under påvirkning av amfetamin og metamfetamin. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Mellingsaeter, TC; Rordam, OM; Spigset, Olav. (2009) Association between aortic aneurysm rupture and short-term prednisolone use in two patients with dermatological disorders. Journal of the European Academy of Dermatology and Venereology
  Reader opinion piece
• Spigset, Olav. (2009) Gentesting før behandling med warfarin?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Westin, Andreas Austgulen; Huestis, Marilyn; Aarstad, Kjell; Spigset, Olav. (2009) Urinary Excretion of 11-Nor-9-Carboxy-Delta(9)-Tetrahydrocannabinol in a Pregnant Woman Following Heavy, Chronic Cannabis Use. Journal of Analytical Toxicology
  Academic article
• Hedstrom, H; Bixo, M; Nyberg, S; Spigset, Olav; Zingmark, E; Backstrom, T. (2009) Studies of pharmacokinetic and pharmacodynamic properties of isoallopregnanolone in healthy women. Psychopharmacology
  Academic article
• Rognstad, S; Brekke, M; Fetveit, A; Spigset, Olav; Wyller, TB; Straand, J. (2009) The Norwegian General Practice (NORGEP) criteria for assessing potentially inappropriate prescriptions to elderly patients. Scandinavian Journal of Primary Health Care
  Academic article
• Spigset, Olav. (2009) Praktisk legemiddelbruk sett med svenske øyne. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Book review
• Bagøien, Gunnhild Irene; Morken, Gunnar; Zahlsen, Kolbjørn; Aamo, Trond; Spigset, Olav. (2009) Evaluation of a Urine On-Site Drugs of Abuse Screening Test in Patients Admitted to a Psychiatric Emergency Unit. Journal of Clinical Psychopharmacology
  Academic article
• Spigset, Olav; Nordeng, Hedvig. (2009) Farmakologi och farmakologisk omvårdnad. Studentlitteratur AB Studentlitteratur AB
  Textbook
• Reis, Margareta; Aamo, Trond Oskar; Spigset, Olav; Ahlner, Johan. (2009) Serum Concentrations of Antidepressant Drugs in a Naturalistic Setting: Compilation Based on a Large Therapeutic Drug Monitoring Database. Therapeutic Drug Monitoring
  Academic article
• Lea, Dordi; Spigset, Olav; Slørdal, Lars. (2009) Norske medisinerstudenters holdninger til legemiddelindustrien. NTNU
  Thesis at a second degree level
• Sandø, Alina; Aanes, Siv Gyda; Spigset, Olav; Slørdal, Lars. (2009) Forskrivningspraksis av p-piller til førstegangsbrukere. NTNU
  Thesis at a second degree level
• Bjartnes, Margunn; Hov, Ingrid; Spigset, Olav; Slørdal, Lars. (2009) Tar pasienter legemidler som forskrevet?. NTNU
  Thesis at a second degree level
• Hammer, Robert; Mære, Berit; Spigset, Olav; Slørdal, Lars. (2009) Kostbare kopier? Jeg-også-legemidler i Norge. NTNU
  Thesis at a second degree level
• Jönsson, Anna Karin; Spigset, Olav; Tjäderborn, Michaela; Druid, Henrik; Hägg, Staffan. (2009) Fatal drug intoxications in a Swedish general population. BMC Clinical Pharmacology
  Academic article
• Teigen, Ingvill; Rendum, Kristin; Slørdal, Lars; Spigset, Olav. (2009) Feilmedisinering hos pasienter innlagt i sykehus. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Nezvalova-Henriksen, Katerina; Spigset, Olav; Nordeng, Hedvig. (2009) Maternal characteristics and migraine pharmacotherapy during pregnancy: cross-sectional analysis of data from a large cohort study. Cephalalgia
  Academic article
• Castberg, Ingrid; Westin, AA; Spigset, Olav. (2009) Does Level of Care, Sex, Age, or Choice of Drug Influence Adherence to Treatment With Antipsychotics?. Journal of Clinical Psychopharmacology
  Academic article
• Castberg, Ingrid Mehli; Westing, Andreas; Spigset, Olav. (2009) Does level of care, gender, age or choice of drug influence adherence to treatment with antipsychotics?. European Neuropsychopharmacology
  Abstract

2008

• Spigset, Olav; Molden, Espen. (2008) Cytokrom P-450 3A4 - kroppens viktigste arena for legemiddelinteraksjoner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Berle, Jan Øystein; Spigset, Olav. (2008) Maternal antidepressant use and breast-feeding. Current Medical Literature : Psychiatry
  Academic literature review
• Khiabani, Hassan; Spigset, Olav. (2008) Anestesiprosedyrer og amming. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Berg, Ansgar; Furu, Kari; Spigset, Olav. (2008) Slimhinneavsvellende nesedråper og nesespray hos barn. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Spigset, Olav. (2008) Farmakogenetikk i praksis. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Reader opinion piece
• Amundstuen, L; Spigset, O; Schjoett, J; Schjøtt, Jan. (2008) New methods to study complexity of drug information queries. Pharmacoepidemiology and Drug Safety
  Abstract
• Davies, SJC; Westin, AA; Castberg, I; Lewis, G; Lennard, MS; Spigset, Olav. (2008) Zuclopenthixol interactions with paroxetine, fluoxetine, carbamazepine & levomepromazine in routine therapeutic monitoring. European Neuropsychopharmacology
  Abstract
• Karlsen, SN; Spigset, Olav; Slørdal, Lars. (2008) The dark side of ecstasy: Neuropsychiatric symptoms after exposure to 3,4-methylenedioxymethamphetamine. Basic & Clinical Pharmacology & Toxicology
  Academic literature review
• Spigset, Olav; Molden, Espen. (2008) Cytokrom P-450 3A4 - kroppens viktigste arena for legemiddelinteraksjoner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Spigset, Olav. (2008) Farmakogenetikk i praksis. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Short communication
• Helland, Arne; Espnes, Ketil Arne; Reimers, Arne; Aamo, Trond O; Zahlsen, Kolbjørn; Rygnestad, Tarjei. (2008) Legemiddel- og rusmiddelanalyser som øyeblikkelig hjelp. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Hägg, Staffan; Bate, Andrew; Stahl, Malin; Spigset, Olav. (2008) Association between venous thromboembolism and antipsychotics: a study of the WHO database of adverse drug reactions. Drug Safety
  Academic article
• Castberg, Ingrid; Spigset, Olav. (2008) Prescribing patterns and the use of therapeutic drug monitoring of psychotropic medication in a psychiatric high-security unit. Therapeutic Drug Monitoring
  Academic article
• Solligård, Erik; Juel, Ingebjørg s.; Spigset, Olav; Romundstad, Pål Richard; Grønbech, Jon Erik; Aadahl, Petter. (2008) Gut luminal lactate measured by microdialysis mirrors permeability of the intestinal mucosa after ischemia. Shock
  Academic article
• Asheim, P; Spigset, Olav; Aasarod, K; Walstad, RA; Uggen, PE; Zahlsen, K. (2008) Pharmacokinetics of intraperitoneally instilled aminophylline, terbutaline and tobramycin in pigs. Acta Anaesthesiologica Scandinavica
  Academic article
• Wester, K; Jonsson, AK; Spigset, Olav; Druid, H; Hagg, S. (2008) Incidence of fatal adverse drug reactions: a population based study. British Journal of Clinical Pharmacology
  Academic article
• Bachmann, Christine Strand; Berg, Erik Andreas; Spigset, Olav; Slørdal, Lars. (2008) Benzodiazepinliknende hypnotika - holdninger og forskrivningspraksis blant allmennleger. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Guzey, Ismail Cuneyt; Spigset, Olav. (2008) Dopamine and serotonin receptor and transporter gene polymorphisms and extrapyramidal symptoms. Studies in Parkinson's disease and in patient treated with antipsychotic or antidepressant drugs. Tapir Uttrykk
  Doctoral dissertation

2007

• Molden, Espen; Spigset, Olav. (2007) Frukt og bær - interaksjoner med legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Helland, A; Spigset, Olav. (2007) Low serum concentrations of reboxetine in 2 patients treated with CYP3A4 inducers. Journal of Clinical Psychopharmacology
  Reader opinion piece
• Spigset, Olav; Brede, Wenche Rødseth; Zahlsen, Kolbjørn. (2007) Excretion of methylphenidate in breast milk. American Journal of Psychiatry
  Letter to the editor
• Skomsvoll, Johan Fredrik; Wallenius, Marianne; Koksvik, HS; Rodevand, E; Salvesen, Kjell Å; Spigset, Olav. (2007) Drug Insight: anti-tumor necrosis factor therapy for inflammatory arthropathies during reproduction, pregnancy and lactation. Nature Clinical Practice Rheumatology
  Academic literature review
• Reimers, Arne; Skogvoll, Eirik; Kutschera-Sund, Janne; Spigset, Olav. (2007) Lamotrigine in children and adolescents: The impact of age on its serum concentrations and the extent of drug interactions. European Journal of Clinical Pharmacology
  Academic article
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2007) Pharmacokinetics of quetiapine: Evidence from a routine therapeutic drug monitoring service. Journal of Clinical Psychiatry
  Academic article
• Åsheim, Per; Spigset, Olav; Aasarød, Knut; Walstad, Rolf Aksel; Uggen, Per Einar; Zahlsen, Kolbjørn. (2007) Pharmacokinetics of intraperitoneal instilled aminophylline, terbutaline and tobramycin in pigs. Acta Anaesthesiologica Scandinavica
  Academic article
• Wester, K; Jönsson, Karin; Spigset, Olav; Hagg, S. (2007) Spontaneously reported fatal suspected adverse drug reactions: a 10-year survey from Sweden. Pharmacoepidemiology and Drug Safety
  Academic article
• Nordeng, Hedvig; Spigset, Olav. (2007) Legemidler og bruken av dem. Gyldendal Akademisk Gyldendal Akademisk
  Textbook
• Nordeng, Hedvig M Egeland; Spigset, Olav. (2007) Legemidler og bruken av dem. Gyldendal Akademisk Gyldendal Akademisk
  Non-fiction book
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2007) Quetiapine and drug interactions: Evidence from a routine therapeutic drug monitoring service. Journal of Clinical Psychiatry
  Academic article
• Castberg, Ingrid; Spigset, Olav. (2007) Effects of comedication on the serum levels of aripiprazole: Evidence from a routine therapeutic drug monitoring service. Pharmacopsychiatry
  Academic article
• Reimers, Arne; Skogvoll, E; Sund, JK; Spigset, O. (2007) Lamotrigine in children and adolescents: the impact of age on its serum concentrations and on the extent of drug interactions. European Journal of Clinical Pharmacology
  Academic article
• Jönsson, Anna Karin; Spigset, Olav; Jacobsson, I; Hagg, S. (2007) Cerebral haemorrhage induced by warfarin - the influence of drug-drug interactions. Pharmacoepidemiology and Drug Safety
  Academic article
• Guzey, Ismail Cuneyt; Scordo, MG; Spina, E; Landsem, Veslemøy Malm; Spigset, Olav. (2007) Antipsychotic-induced extrapyramidal symptoms in patients with schizophrenia: associations with dopamine and serotonin receptor and transporter polymorphisms. European Journal of Clinical Pharmacology
  Academic article

2006

• Skjervold, Berit; Bathen, Jørn; Spigset, Olav. (2006) Methadone and the QT interval - Relations to the serum concentrations of methadone and its enantiomers (R)-methadone and (S)-methadone. Journal of Clinical Psychopharmacology
  Reader opinion piece
• Güzey, Ismail Cüneyt; Spigset, Olav. (2006) Low serum concentrations of paroxetine in CYP2D6 ultrarapid metabolizers. Journal of Clinical Psychopharmacology
  Reader opinion piece
• Slørdal, Lars; Spigset, Olav. (2006) Heart failure induced by non-cardiac drugs. Drug Safety
  Academic literature review
• Castberg, Ingrid; Spigset, Olav. (2006) Hyponatremi ved bruk av psykofarmaka. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Castberg, Ingrid; Skogvoll, Eirik; Spigset, Olav. (2006) Pharmacokinetics of quetiapine: evidence from a routine therapeutic drug monitoring service. European Neuropsychopharmacology
  Abstract
• Spigset, Olav; Bate, Andrew; Stahl, Malin; Hägg, Staffan. (2006) Venous thromboembolism during treatment with antipsychotics. Pharmacoepidemiology and Drug Safety
  Abstract
• Castberg, Ingrid; Spigset, Olav. (2006) Excretion of escitalopram in breast milk. Journal of Clinical Psychopharmacology
  Reader opinion piece
• Slørdal, Lars; Spigset, Olav. (2006) Farmakologi. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Spigset, Olav. (2006) Intoksikasjon med psykofarmaka. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Short communication
• Reimers, Arne; Brodtkorb, Eylert; Helde, Grethe; Spigset, Olav. (2006) Lamotrigine Serum Concentrations Throughout the Menstrual Cycle - A Study of 2 Cases. Clinical neuropharmacology
  Short communication
• Castberg, Ingrid; Reimers, Arne; Sandvik, Pål; Aamo, Trond; Spigset, Olav. (2006) Adverse drug reactions of antidepressants and antipsychotics: Experience, knowledge and attitudes among Norwegian psychiatrists. Nordic Journal of Psychiatry
  Academic article
• Nelson, Siri; Slørdal, Lars; Spigset, Olav. (2006) Forskrivning av virkestoff i stedet for preparat - på høy tid. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav. (2006) Farmakologiens "bibel" i ny utgave. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Book review
• Solhaug, Håvard Rein; Indermo, Hanne; Slørdal, Lars; Spigset, Olav. (2006) Skriftlig legemiddelreklame - til å stole på?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Strandberg, Joachim; Kugelberg, FC; Alkass, Kanar; Gustavsson, A; Zahlsen, Kolbjørn; Spigset, Olav. (2006) Toxicological analysis in rats subjected to heroin and morphine overdose. Toxicology Letters
  Academic article
• Andreen, L; Spigset, Olav; Andersson, A.; Nyberg, Svante; Bäckström, Torbjörn. (2006) Pharmacokinetics of progesterone and its metabolites allopregnanolone and pregnanolone after oral administration of low-dose progesterone. Maturitas
  Academic article
• Hedenmalm, Karin; Güzey, Ismail Cüneyt; Dahl, ML; Yue, QY; Spigset, Olav. (2006) Risk factors for extrapyramidal symptoms during treatment with selective serotonin reuptake inhibitors, including cytochrome P-450 enzyme, and serotonin and dopamine transporter and receptor polymorphisms. Journal of Clinical Psychopharmacology
  Academic article
• Hedenmalm, Karin; Sundström, Anders; Spigset, Olav. (2006) Alopecia associated with treatment with selective serotonin reuptake inhibitors (SSRIs). Pharmacoepidemiology and Drug Safety
  Academic article
• Espnes, Ketil Arne; Spigset, Olav; Delaveris, Gerd Jorunn Møller; Mørland, Jørg; Smith-Kielland, Anne. (2006) Bruk av hurtigtester for påvisning av rusmidler i urin. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article

2005

• Castberg, I; Berle, Jan Øystein; Spigset, Olav. (2005) Kombinasjonsbehandling med karbamazepin og quetiapin. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Letter to the editor
• Reimers, Arne; Brodtkorb, Eylert; Helde, Grethe; Spigset, Olav. (2005) Lamotrigine serum concentrations thorughout the menstrual cycle. Epilepsia
  Abstract
• Slørdal, Lars; Spigset, Olav. (2005) Grunnleggende farmakokinetikk – distribusjon. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Nordeng, H; Spigset, Olav. (2005) Treatment with selective serotonin reuptake inhibitors in the third trimester of pregnancy - Effects on the infant. Drug Safety
  Academic literature review
• Spigset, Olav; Slørdal, Lars. (2005) Grunnleggende farmakokinetikk – likevekt. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Slørdal, Lars; Spigset, Olav. (2005) Grunnleggende farmakokinetikk – absorpsjon. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Spigset, Olav; Slørdal, Lars. (2005) Grunnleggende farmakokinetikk – eliminasjon. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Nordeng, Hedvig; Spigset, Olav. (2005) Treatment with selective serotonin reuptake inhibitors in the third trimester in pregnancy: effects on the infant. Drug Safety
  Academic literature review
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hemmere – faglig diskusjon eller mistenkeliggjøring. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Letter to the editor
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hememre – enda et skritt tilbake. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Letter to the editor
• Spigset, Olav. (2005) Legemiddelinteraksjoner og databaser. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Letter to the editor
• Vanky, Eszter; Zahlsen, Kolbjørn; Spigset, Olav; Carlsen, Sven Magnus. (2005) Placental passage of metformin in women with polycystic ovary syndrome. Fertility and Sterility
  Letter to the editor
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) COX-2-hemmere og tolking av data. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Letter to the editor
• Castberg, Ingrid; Berle, Jan Øystein; Spigset, Olav. (2005) Kombinasjonsbehandling med karbamazepin og quetiapin. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Letter to the editor
• Slørdal, Lars; Evensen, Sigurd; Spigset, Olav. (2005) Gjelder ikke primum non nocere lenger?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Short communication
• Nordeng, Hedvig M Egeland; Spigset, Olav. (2005) Treatment with SSRIs in the third trimester of pregnancy: Effects on the newborn. Drug Safety
  Academic article
• Reimers, Arne; Skogvoll, Eirik; Kutschera Sund, J; Spigset, Olav. (2005) Drug Interactions between Lamotrigine and Psychoactive Drugs: Evidence from a therapeutic Drug Monitoring Service. Journal of Clinical Psychopharmacology
  Academic article
• Evensen, Sigurd; Spigset, Olav; Slørdal, Lars. (2005) COX-2-hemmere - ett skritt frem og to tilbake. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Midgard, Rune; Ertesvåg, Kåre; Trondsen, Erik; Spigset, Olav. (2005) Life-treathening acute pancreatitis associated with interferon beta-1a treatment in multiple sclerosis. Neurology
  Academic article
• Saltvedt, Ingvild; Spigset, Olav; Ruths, Sabine; Fayers, Peter; Kaasa, Stein; Sletvold, Olav. (2005) Patterns of drug prescription in a geriatric evaluation and management unit as compared with the general medical wards. A randomised study. European Journal of Clinical Pharmacology
  Academic article
• Spigset, Olav. (2005) Legemiddelanalyser for spesielt interesserte (bokanmeldelse). Tidsskrift for Den norske legeforening (Tidsskriftet)
  Book review
• Vanky, Eszter; Zahlsen, Kolbjørn; Spigset, Olav; Carlsen, Sven Magnus. (2005) Placental passage of metformin in women with polycystic ovary syndrome. Fertility and Sterility
  Academic article
• Saltvedt, Ingvild; Spigset, Olav; Ruths, Sabine; Fayes, Peter; Kaasa, Stein; Sletvold, Olav. (2005) Patterns of drug prescription in a geriatric evaluation and management unit as compared with the general medical wards: a randomised study. European Journal of Clinical Pharmacology
  Academic article
• Slørdal, Lars; Spigset, Olav. (2005) Grunnlegende farmakokinetikk - absorpsjon. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article

2004

• Gjersvik, Petter; Spigset, Olav. (2004) Kort og godt om legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Editorial
• Güzey, Cüneyt; Spigset, Olav. (2004) Genotyping as a tool to predict adverse drug reactions. Current Topics in Medicinal Chemistry
  Academic literature review
• Furunes, Håvard; Slørdal, Lars; Spigset, Olav. (2004) Heroin - et nyttig analgetikum?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic literature review
• Spigset, Olav; Hägg, Staffan. (2004) Nya antidepressiva läkemedel under graviditet och amning. Läkartidningen
  Academic literature review
• Berle, Jan Øystein; Steen, Vidar Martin; Aamo, Trond Oskar; Breilid, Harald; Zahlsen, Kollbjørn; Spigset, Olav. (2004) Breastfeeding during maternal antidepressant treatment with serotonin reuptake inhibitors: infant exposure, clinical symptoms, and cytochrome p450 genotypes. Journal of Clinical Psychiatry
  Academic article
• Helland, Arne; Slørdal, Lars; Spigset, Olav. (2004) Problem forte - er kombinasjonen paracetamol og kodein rasjonell?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Slørdal, Lars; Spigset, Olav; Helland, Arne; Rygnestad, Tarjei. (2004) Ikke-opioide analgetika ved akutte smerter: Hva virker best?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav; Mjörndal, Tom; Kristoffersson, Anders. (2004) Platelet serotonin 5-HT2A receptor binding in patients with carcinoid tumor. Scandinavian Journal of Clinical and Laboratory Investigation
  Academic article
• Hedenmalm, Karin; Samuelsson, Eva; Spigset, Olav. (2004) Pulmonary embolism associated with combined oral contraceptives: reporting incidences and potential risk factors for a fatal outcome. Acta Obstetricia et Gynecologica Scandinavica
  Academic article
• Rahm, Ingegerd; Spigset, Olav; Mjörndal, Tom. (2004) Dieting avd weight loss do not affect the platelet serotonin 5-HT2A receptor. European Neuropsychopharmacology
  Academic article
• Wihlbäck, Anna-Karin; Sundström-Poromaa, Inger; Bixo, Marie; Allard, Per; Mjörndal, Tom; Spigset, Olav. (2004) Influence of menstrual cycle on platelet serotonin uptake site and serotonin2A receptor binding. Psychoneuroendocrinology
  Academic article
• Berle, Jan Øystein; Steen, Vidar M; Aamo, Trond O; Breilid, Harald; Zahlsen, Kolbjørn; Spigset, Olav. (2004) Breastfeeding during maternal antidepressant treatment with serotonin reuptake inhibitors: Infant exposure, clinical symptoms and cytochrome P450 genotypes. Journal of Clinical Psychiatry
  Academic article

2003

• Spigset, Olav; Nordeng, Hedvig. (2003) Bruk av antipsykotika ved graviditet og amming. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Pleym, Hilde; Spigset, Olav. (2003) Gender differences in drug effects: implications for anesthesiologists. Acta Anaesthesiologica Scandinavica
  Academic article
• Berle, Jan Øystein; Spigset, Olav. (2003) Behandling av svangerskapsrelatert psykisk sykdom. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav; Hägg, Staffan. (2003) Olanzapine and venous thromboembolism. International Clinical Psychopharmacology
  Academic article
• Spigset, Olav; Hägg, Staffan. (2003) Long-term combination treatment woth clozapine and filgrastim in patients with clozapine-induced agranulocytosis. International Clinical Psychopharmacology
  Academic article
• Spigset, Olav; Hägg, Staffan. (2003) Hepatic injury and pancreatitis during treatment with serotonin reuptake inhibitors. International Clinical Psychopharmacology
  Academic article
• Spigset, Olav; Slørdal, Lars. (2003) Selektive COX-2-hemmere - holdninger og forskrivningspraksis blant allmennpraktikere. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav; Slørdal, Lars. (2003) Hvilken informasjon gis om bivirkninger av nye legemidler?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Slørdal, Lars; Samstad, Stein; Spigset, Olav. (2003) A life-threatening interaction between lithium and celecoxib. British Journal of Clinical Pharmacology
  Academic article
• Spigset, Olav. (2003) Valproic acid and risperidone: A drug interaction?. Journal of the American Academy of Child and Adolescent Psychiatry
  Academic article
• Spigset, Olav; Slørdal, Lars. (2003) Heroin - et nyttig analgetikum?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav. (2003) Declaration of fructose and fructose-related adverse effects in commercial drug preparations in European countries. Drug Safety
  Academic article
• Nordeng, Hedvig M Egeland; Spigset, Olav. (2003) Bruk av antipsykotika ved graviditet og amming. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article

2002

• Brodtkorb, Eylert; Spigset, Olav. (2002) Interaksjoner med antiepileptika. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav. (2002) Change from the CYP2D6 extensive metabolizer to the poor metabolizer phenotype during treatment with bupropion. Therapeutic Drug Monitoring
  Academic article
• Spigset, Olav. (2002) Agranulocytosis and other blood dyscrasias associated with dipyrone (metamizole). European Journal of Clinical Pharmacology
  Academic article
• Spigset, Olav. (2002) Glucose intolerance with atypical antipsychotics. Drug Safety
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibioottien ja muiden laakkeiden yhteisvaikutukset. Suomen hammaslaakarilehti
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Tandläkartidningen
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Den norske tannlegeforenings Tidende
  Academic article
• Løkken, Per; Olsen, Ingar; Spigset, Olav. (2002) Antibiotika - medikamentelle interaksjoner. Tandlægebladet
  Academic article

2001

• Spigset, Olav. (2001) Farmakologiske effekter av koffein. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Haux, Johan; Klepp, Olbjørn; Spigset, Olav; Tretli, Steinar. (2001) Digitoxin medication and cancer; case control and intenal dose-response studies. BMC Cancer
  Academic article
• Molaug, Per Ole; Spigset, Olav. (2001) Ett års skriftlig legemiddelinformasjon til en kommunelege. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav; Öström, Mats; Eriksson, Anders. (2001) Death resulting form asthma associated with sertraline "overdose". American Journal of Forensic Medicine and Pathology
  Academic article
• Hägg, Staffan; Spigset, Olav; Dahlqvist, Rune. (2001) Influence of gender and oral contraceptives on CYP2D6 and CYP2C19 activity in healthy volunteers. British Journal of Clinical Pharmacology
  Academic article
• Bixo, Marie; Allard, Per; Bäckström, Torbjörn; Mjörndal, Tom; Nyberg, Svante; Spigset, Olav. (2001) Binding of [3H]paroxetine to serotnin uptake sites and of [3H]lysergic acid diethylamide to 5-HT2A receptors in platelets from women with premenstrual dysphoric disorder during gonadotropin releasing hormone treatment. Psychoneuroendocrinology
  Academic article
• Nordeng, Hedvig; Bergsholm, Yngvild K; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Wihlbäck, Anna-Carin; Sundström-Poromaa, Inger; Allard, Per; Mjörndal, Tom; Spigset, Olav; Bäckström, Torbjörn. (2001) Influence of postmenopausal hormone replacement therapy on platelet serotonin uptake site and serotonin-2A receptor binding. Obstetrics and Gynecology
  Academic article
• Hägg, Staffan; Spigset, Olav; Lakso, Hans-Åke; Dahlqvist, Rune. (2001) Olanxapine disposition in humans is unrelated to CYP1A2 and CYP2D6 dispositions. European Journal of Clinical Pharmacology
  Academic article
• Slørdal, Lars; Spigset, Olav. (2001) NSAID-preparater til utvortes bruk - virker de, og bør de brukes?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav. (2001) DHEA - veien til evig ungdom?. Utposten
  Academic article
• Buajordet, Marit; Spigset, Olav; Steinsvåg, Sverre K. (2001) Medikamentell rhinitt - viktig bivirkning. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav; Axelsson, Sara; Norström, Åke; Hägg, Staffan; Dahlqvist, Rune. (2001) The major fluvoxamine metabolite in urine is formed by CYP2D6. European Journal of Clinical Pharmacology
  Academic article
• Spigset, Olav. (2001) Invited comment to the article by Hori et al: Increased libido in a woman treated with fluvboxamine: a case report. Acta Psychiatrica Scandinavica
  Academic article
• Spigset, Olav; Slørdal, Lars. (2001) Reduserer statiner risikoen for oseoporose?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Hägg, Staffan; Spigset, Olav; Bate, Andrew; Söderström, Torbjörn G. (2001) Myocarditis related to clozapine treatment. Journal of Clinical Psychopharmacology
  Academic article
• Spigset, Olav; Hägg, Staffan. (2001) Therapeutic approaches to bulimia nervosa. Expert Opinion on Therapeutic Patents
  Academic article
• Nordeng, Hedvig; Zahlsen, Kolbjørn; Spigset, Olav. (2001) Transfer of carisoprodol to breast milk. Therapeutic Drug Monitoring
  Academic article
• Spigset, Olav. (2001) Cytokrom P-450-systemet. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Nordeng, Hedvig M Egeland; Bergsholm, Y. K.; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Nordeng, Hedvig M Egeland; Bøhler, Erik; Spigset, Olav. (2001) Overgang av selektive serotoninreopptakshemmere til morsmelk. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Nordeng, Hedvig M Egeland; Zahlsen, Z.; Spigset, Olav. (2001) Clinical note Transfer of carisoprodol to breast milk. Therapeutic Drug Monitoring
  Academic article
• Spigset, Olav; Viktil, Kirsten Kilvik. (2001) Etterlevelse av legemiddelbruk.
  Academic chapter/article/Conference paper

2000

• Hägg, Staffan; Spigset, Olav; Söderström, Torbjörn G. (2000) Association of venous thromboembolism and clozapine. The Lancet
  Academic article
• Spigset, Olav; Hägg, Staffan. (2000) Analgesics and breast-feeding. Pediatric Drugs
  Academic article
• Güzey, Cüneyt; Aamo, Trond; Spigset, Olav. (2000) Risperidone metabolism and the impact of being a cytochrome P450 2D6 ultrarapid metabolizer. Journal of Clinical Psychiatry
  Academic article
• Hägg, Staffan; Spigset, Olav; Mörndal, Tom; Dahlqvist, Rune. (2000) Effect of caffeine on clozapine pharmacokinetics in healthy volunteers. British Journal of Clinical Pharmacology
  Academic article
• Spigset, Olav. (2000) Vektøkning som legemiddelbivirkning. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav; Hägg, Staffan; Stegmayr, Bernd; Dahlqvist, Rune. (2000) Citalopram pharmacokinetics in patients with chronic renal failure and the effect of haemodialysis. European Journal of Clinical Pharmacology
  Academic article
• Spigset, Olav. (2000) Valg av analgetikum til ammende kvinner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Slørdal, Lars; Spigset, Olav. (2000) Hypertensjon og hjertesvikt forårsaket av NSAID-preparater: Bivirkning av betydning?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Gulbrandsen, Pål; Spigset, Olav. (2000) Legemidler i praksis. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Bathen, Jørn; Spigset, Olav. (2000) Lang QT-tid som bivirkning - risiko for fatale arytmier. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav. (2000) Naturlegemidlet johannesurt gir alvorlige interaksjoner med en rekke legemidler. Utposten
  Academic article
• Rygnestad, Tarjei; Spigset, Olav. (2000) Bruk av paracetamol til voksne. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Sundgren, Margit; Hedenmalm, Karin; Spigset, Olav. (2000) Confirmation of urinary benzodiazepines using solid-phase extraction and GC/MS. Analytical Pharmacology
  Academic article
• Spigset, Olav; Wilhelmsson, Christer; Mjörndal, Tom; Eriksson, Sture. (2000) Low serum sodium concentrations during treatment with citalopram in elderly patients: Relationship to serum citalopram levels and to platelet 5-HT2A receptor status. Journal of Clinical Psychopharmacology
  Academic article
• Spigset, Olav. (2000) Fra konfeksjon til skreddersøm - fretidige muligheter for individuelt tilpasset legemiddelbehandling. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Hägg, Sattfan; Spigset, Olav. (2000) Anticonvulsant use during lactation. Drug Safety
  Academic article
• Berle, Jan Øystein; Spigset, Olav. (2000) Antidepressiva ved graviditet og amming. Hefte i serien "Depresjonshåndboken"
  Non-fiction book

1999

• Rygnestad, Tarjei; Fredriksen, Gunn; Spigset, Olav. (1999) Parallellimport av legemidler. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Pleym, Hilde; Bathen, J; Spigset, Olav; Gisvold, Sven Erik. (1999) Ventricular fibrillation related to reversal of the neuromuscular blockade in a patient with long QT syndrome. Acta Anaesthesiologica Scandinavica
  Academic article
• Norlen, Maria; Norström, Åke; Spigset, Olav; Allard, Per. (1999) [3H]GBR binding in platelets from poor and extensive cytochrome P-4502D6 metabolizers. European Journal of Pharmacology
  Academic article
• Spigset, Olav; Hägg, Staffan; Söderström, Emma; Dahlqvist, Rune. (1999) Lack of correlation between fluvoxamine clearance and CYP1A2 activity as measured by systemic caffeine clearance. European Journal of Clinical Pharmacology
  Academic article
• Pleym, Hilde; Bathen, Jørn; Spigset, Olav; Gisvold, Sven Erik. (1999) Ventricular fibrillation related to reversal of the neuromuscular blockade in a patient with long QT syndrome. Acta Anaesthesiologica Scandinavica
  Academic article
• Spigset, Olav. (1999) Invited comment to "A puzzling case of seizures and visual hallucinations during clomipramine treatment with a high dose but causing a low serum concenatrtion". Acta Psychiatrica Scandinavica
  Academic article
• Spigset, Olav; Mjörndal, Tom. (1999) Increased glucose intolerance related to digoxin treatment in patients with type 2 diabetes mellitus. Journal of Internal Medicine
  Academic article
• Spigset, Olav; Hägg, Staffan; Söderström, Emma; Dahlqvist, Rune. (1999) The paraxanthine/caffeine ratio in serum or in saliva as a measure of CYP1A2 activity: When should the sample be obtained?. Pharmacogenetics (London)
  Academic article
• Mårtensson, Björn; Spigset, Olav. (1999) Drug treatment of depression. Western Journal of Medicine
  Academic article
• Sigurdh, Jeanette; Spigset, Olav; Allard, Per; Mjörndal, Tom; Hägglöf, Bruno. (1999) Binding of [3H]lysergic acid diethylamide to serotonin 5-HT2A receptors and of [3H]paroxetine to serotonin uptake sites in platelets from healthy children, adolescents and adults. Neuropsychobiology
  Academic article
• Hägg, Staffan; Spigset, Olav; Mjörndal, Tom; Granberg, Kerstin; Persbo-Lundqvist, Gunnel; Dahlqvist, Rune. (1999) Absence of interaction between erythromycin and a single dose of clozapine. European Journal of Clinical Pharmacology
  Academic article
• Sundström, Inger; Spigset, Olav; Andresson, A; Appelblad, Patrick; Bäckström, Torbjörn. (1999) Lack of influence of menstrual cycle and premenstrual syndrome diagnosis on pregnanolone pharmacokinetics. European Journal of Clinical Pharmacology
  Academic article
• Hägg, Satffan; Spigset, Olav; Edwardsson, Håkan; Björk, Henrik. (1999) Prologned sedation and slowly decreasing clozapine serum concentrations after an overdose. Journal of Clinical Psychopharmacology
  Academic article
• Spigset, Olav; Mårtensson, Björn. (1999) Drug treatment of depression. BMJ. British Medical Journal
  Academic article
• Öhman, Robert; Hägg, Staffan; Carleborg, Lena; Spigset, Olav. (1999) Excretion of paroxetine into breast milk. Journal of Clinical Psychiatry
  Academic article
• Spigset, Olav. (1999) Adverse reactions of selective serotonin reuptake inhibitors. Drug Safety
  Academic article

1998

• Dale, Ola; Spigset, Olav. (1998) Medisiner/bivirkninger : det lekker ikke i regionene!. Aftenposten (morgenutg. : trykt utg.)
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner/bivirkninger : regionalt prøveprosjekt vil gi svar. Aftenposten (morgenutg. : trykt utg.)
  Feature article
• Spigset, Olav. (1998) Legemiddelutløste leverskader. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Spigset, Olav. (1998) Antidepressiver og amming : nyere data. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Spigset, Olav. (1998) Hyponatremi som bivirkning av selektive serotoninreopptakshemmere?. Utposten
  Feature article
• Spigset, Olav. (1998) Selektive serotoninreopptakshemmere og interaksjoner. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Spigset, Olav. (1998) Nye rusmidler - nye diagnostiske utfordringer. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner/bivirkninger : regionalt prøveprosjekt vil gi svar. Aftenposten (morgenutg. : trykt utg.)
  Feature article
• Ola, Dale; Spigset, Olav. (1998) Medisin/bivirkninger 1 : ikke bare forsømt rapportering. Aftenposten (morgenutg. : trykt utg.)
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner/bivirkninger : det lekker ikke i regionene!. Aftenposten (morgenutg. : trykt utg.)
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner og bivirkninger - forsømt rapportering. Aftenposten (morgenutg. : trykt utg.)
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisiner og bivirkninger - forsømt rapportering. Aftenposten (morgenutg. : trykt utg.)
  Feature article
• Dale, Ola; Spigset, Olav. (1998) Medisin/bivirkning 1 : ikke bare forsømt rapportering. Aftenposten (morgenutg. : trykt utg.)
  Feature article
• Spigset, Olav. (1998) Kan man stole på legemiddelreklamen?. Tidsskrift for Den norske legeforening (Tidsskriftet)
  Academic article
• Spigset, Olav. (1998) Are adverse drug reactions attributed to fluvoxamine caused by concomitant intake of caffeine?. European Journal of Clinical Pharmacology
  Academic article
• Spigset, Olav. (1998) Hyponatrem biverkning av seretoninupptagshämmare. Läkartidningen
  Academic article
• Spigset, Olav; Hägg, Staffan. (1998) Excretion of psychotropic drugs into breast milk. CNS Drugs
  Academic article

1996

• Nordeng, Hedvig M Egeland; Spigset, Olav. (1996) Hormonell (endokrin) behandling av brystkreft.
  Academic chapter/article/Conference paper