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Photo: Bjørn-Kåre Iversen
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Department of Pharmacy guro.forsdahl@uit.no +4777646656 Tromsø FARM F3.106

Forsdahl, Guro


Head of department


  • Waaseth, Marit; Havelkova, Martina; Forsdahl, Guro; Lund, Eiliv; Log, Tomas. Use of Selective Serotonin Reuptake Inhibitors – Validity of self-report versus plasma concentrations and pharmacy dispensations – A cross-sectional analysis of the Norwegian Women and Cancer study. Clinical Epidemiology 2022; Volum 14. ISSN 1179-1349.s 815 - 826.s doi: 10.2147/clep.S366760.
  • Göschl, Lorenz; Gmeiner, Günter; Gärtner, Peter; Steinacher, Michael; Forsdahl, Guro. Detection of DHCMT long-term metabolite glucuronides with LC-MSMS as an alternative approach to conventional GC-MSMS analysis. Steroids 2022; Volum 180. ISSN 0039-128X.s doi: 10.1016/j.steroids.2022.108979.
  • Göschl, Lorenz; Gmeiner, Günter; Gärtner, Peter; Stadler, Georg; Enev, Valentin; Thevis, Mario; Schänzer, Wilhelm; Guddat, Sven; Forsdahl, Guro. Stanozolol-N-glucuronide metabolites in human urine samples as suitable targets in terms of routine anti-doping analysis. Drug Testing and Analysis 2021; Volum 13 (9). ISSN 1942-7603.s 1668 - 1677.s doi: 10.1002/dta.3109.
  • Göschl, Lorenz; Gmeiner, Günter; Enev, Valentin S; Kratena, Nicolas; Gärtner, Peter; Forsdahl, Guro. Development and validation of a simple online-SPE method coupled to high-resolution mass spectrometry for the analysis of stanozolol-N-glucuronides in urine samples. Drug Testing and Analysis 2020; Volum 12 (8). ISSN 1942-7603.s 1031 - 1040.s doi: 10.1002/dta.2805.
  • Forsdahl, Guro; Zanitzer, Katharina; Erceg, Damir; Gmeiner, Günter. Quantification of endogenous steroid sulfates and glucuronides in human urine after intramuscular administration of testosterone esters. Steroids 2020; Volum 157. ISSN 0039-128X.s doi: 10.1016/j.steroids.2020.108614.
  • Diab, Joseph; Hansen, Terkel; Goll, Rasmus; Stenlund, Hans; Jensen, Einar; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. Mucosal metabolomic profiling and pathway analysis reveal the metabolic signature of ulcerative colitis. Metabolites 2019; Volum 9:291 (12). ISSN 2218-1989.s 1 - 15.s doi: 10.3390/metabo9120291.
  • Diab, Joseph; Hansen, Terkel; Goll, Rasmus; Stenlund, Hans; Ahnlund, Maria; Jensen, Einar; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. Lipidomics in ulcerative colitis reveal alteration in mucosal lipid composition associated with the disease state. Inflammatory Bowel Diseases 2019; Volum 25 (11). ISSN 1078-0998.s 1780 - 1787.s doi: 10.1093/ibd/izz098.
  • Diab, Joseph; Al-Mahdi, Rania; Gouveia, Sandra; Hansen, Terkel; Jensen, Einar; Goll, Rasmus; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. A Quantitative Analysis of Colonic Mucosal Oxylipins and Endocannabinoids in Treatment-Naïve and Deep Remission Ulcerative Colitis Patients and the Potential Link With Cytokine Gene Expression. Inflammatory Bowel Diseases 2018; Volum 25 (3). ISSN 1078-0998.s 490 - 497.s doi: 10.1093/ibd/izy349.
  • Stajić, Ana; Maksić, Jelena; Maksić, Doko; Forsdahl, Guro; Medenica, Mirjana; Jančić-Stojanović, Biljana. Analytical Quality by Design-based development and validation of ultra pressure liquid chromatography/MS/MS method for glycopeptide antibiotics determination in human plasma. Bioanalysis 2018; Volum 10 (22). ISSN 1757-6180.s 1861 - 1876.s doi: 10.4155/bio-2018-0181.
  • Forsdahl, Guro; Jančić-Stojanović, Biljana; Anđelković, Marija; Dikić, Nenad; Geisendorfer, Thomas; Jeitler, Veronika; Gmeiner, Günter. Urinary excretion studies of meldonium after multidose parenteral application. Journal of Pharmaceutical and Biomedical Analysis 2018; Volum 161. ISSN 0731-7085.s 289 - 295.s doi: 10.1016/j.jpba.2018.08.053.
  • Forsdahl, Guro; Geisendorfer, Thomas; Göschl, Lorenz; Pfeffer, Sandra; Gärtner, Peter; Thevis, Mario; Gmeiner, Günter. Unambiguous indentifiaction and characterization of a long-term human metabolite of dehydrochloromethyltestosterone. Drug Testing and Analysis 2018; Volum 10 (8). ISSN 1942-7603.s 1244 - 1250.s doi: 10.1002/dta.2385.
  • Forsdahl, Guro; Erceg, Damir; Geisendorfer, Thomas; Turkalj, Mirjana; Plavec, Davor; Thevis, Mario; Tretzel, Laura; Gmeiner, Günter. Detection of testosterone esters in blood. Drug Testing and Analysis 2015; Volum 7 (11-12). ISSN 1942-7603.s 983 - 989.s doi: 10.1002/dta.1914.
  • Tretzel, Laura; Thomas, Andreas; Geyer, Hans; Gmeiner, Günter; Forsdahl, Guro; Pop, Valentin; Schänzer, Wilhelm; Thevis, Mario. Use of dried blood spots in doping control analysis of anabolic steroid esters. Journal of Pharmaceutical and Biomedical Analysis 2014; Volum 96. ISSN 0731-7085.s 21 - 30.s doi: 10.1016/j.jpba.2014.03.013.
  • Schragl, Katharina M; Forsdahl, Guro; Gmeiner, Günter; Enev, Valentin S; Gärtner, Peter. Novel Pathway for the Synthesis of Arylpropionamide-derived Selective Androgen Receptor Modulator (SARM) Metabolites of Andarine and Ostarine. Tetrahedron Letters 2013; Volum 54. ISSN 0040-4039.s 2239 - 2242.s doi: 10.1016/j.tetlet.2013.02.065.
  • Forsdahl, Guro; Vatne, Hanne Kirsti; Geisendorfer, Thomas; Gmeiner, Günter. Screening of testosterone esters in human plasma. Drug Testing and Analysis 2013; Volum 5 (11-12). ISSN 1942-7603.s 826 - 833.s doi: 10.1002/dta.1560.
  • Forsdahl, Guro; Östreicher, Christian; Koller, Martina; Gmeiner, Günter. Carbon isotope ratio determination and investigation of seized testosterone preparations. Drug Testing and Analysis 2011; Volum 3 (11-12). ISSN 1942-7603.s 814 - 819.s doi: 10.1002/dta.373.
  • Slavicek, Gregor; Forsdahl, Guro. Ethics and regulatory aspects in medical research. International Journal of Stomatology & Occlusion Medicine 2009; Volum 2. ISSN 1867-2221.s 45 - 49.s doi: 10.1007/s12548-009-0007-y.
  • Slavicek, Gregor; Forsdahl, Guro. Informed consent in clinical research. International Journal of Stomatology & Occlusion Medicine 2009; Volum 2. ISSN 1867-2221.s 141 - 146.s doi: 10.1007/s12548-009-0026-8.
  • Gärtner, Peter; Bica, Katharina; Felzmann, Wolfgang; Forsdahl, Guro; Gmeiner, Günter. Synthesis and analytics of 2,2,3,4,4-d5-19-nor-5alpha-androsterone-an internal standard in doping analysis. Steroids 2007; Volum 72 (5). ISSN 0039-128X.s 429 - 436.s doi: 10.1016/j.steroids.2007.01.005.
  • Forsdahl, Guro; Gmeiner, Günter. Quantification and stability of Salbutamol in human urine. Journal of Separation Science 2004; Volum 27 (1-2). ISSN 1615-9306.s 110 - 114.
  • Forsdahl, Guro; Gmeiner, Günter. Investigation of the silylation of ephedrines using N-methyl-N-trimethylsilyl-trifluoroacetamide. Journal of chromatography. B 2004; Volum 811 (2). ISSN 1570-0232.s 201 - 208.s doi: 10.1016/j.jchromb.2004.09.002.
  • Forsdahl, Guro; Gmeiner, Günter. Identification of Isopropyl Substituted Beta-Blocking Agents in Human Urine by Gas Chromatography and Tandem Mass Spectrometry. Chromatographia 2003; Volum 57. ISSN 0009-5893.s 85 - 96.
  • Göschl, Lorenz; Gmeiner, Günter; Gärtner, Peter; Thevis, Mario; Forsdahl, Guro. Detection of phase-II glucuronides of exogenous anabolic androgenic steroids exemplified by stanozolol. The 39th Manfred Donike workshop on doping analysis 2021-03-22 - 2021-03-26 2021.
  • Forsdahl, Guro. Hvordan endrer vi kurs for å tilrettelegge for fremtidsfarmasøyten?. Farmasidagene 2021-11-11 - 2021-11-12 2021.
  • Diab, Joseph; Hansen, Terkel; Goll, Rasmus; Stenlund, Hans; Jensen, Einar; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. Metabolomics for improved patient stratification in inflammatory bowel disease: Characterisation of the ulcerative colitis metabolome. Journal of Crohn's and Colitis 2020; Volum 14. ISSN 1873-9946.s S130 - S131.s doi: 10.1093/ecco-jcc/jjz203.132.
  • Diab, Joseph; Hansen, Terkel; Goll, Rasmus; Stenlund, Hans; Jensen, Einar; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. Metabolomics Coupled with Pathway Analysis Reveal the Metabolic Fingerprint in Ulcerative Colitis. Nordic POP annual meeting 2020 2020-01-07 - 2020-01-07 2020.
  • Stojanovic, Biljana Jancic; Göschl, Lorenz; Forsdahl, Guro; Gmeiner, Günter. Metabolism of steroids and sport drug testing. Bioanalysis 2020. ISSN 1757-6180.s doi: 10.4155/bio-2020-0077.
  • Göschl, Lorenz; Gmeiner, Günter; Gärtner, Peter; Forsdahl, Guro. Development and validation of a simple online-SPE method coupled to high-resolution mass spectrometry for the detection of stanozolol-N-glucuronides in urine samples. Nordic POP annual meeting 2020-01-07 - 2020-01-09 2020.
  • Waaseth, Marit; Havelkova, Martina; Forsdahl, Guro; Lund, Eiliv; Log, Tomas. Validity of self-reported antidepressants use – The Norwegian Women and Cancer study. ICPE All Access 2020 2020-09-16 - 2020-09-17 2020.
  • Diab, Joseph; Al-Mahdi, Rania; Gouveia, Sandra; Hansen, Terkel; Jensen, Einar; Goll, Rasmus; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. Analysis of Colonic Mucosal Oxylipins and Endocannabinoids in Inflammatory Bowel Disease. Norsk Selskap for Massespektrometri 2019-01-20 - 2019-01-22 2019.
  • Tumpa, Anja; Maksic Jankovic, Jelena; Forsdahl, Guro; Jancic-Stojanovic, Biljana. Quality by Design in the development of hydrophilic interaction liquid chromatography method with gradient elution for the analysis of olanzapine. 48th International Symposium in High-Performance Liquid Phase Separations and Related Techniques 2019-06-16 - 2019-06-20 2019.
  • Stajik, Ana; Forsdahl, Guro; Jancic-Stojanovic, Biljana; Medenica, Mirjana. AQBD-Oriented MS and UPLC method development for glycopeptide antibacterials assessment in suitable pharmaceutical forms. 48th International Symposium in High-Performance Liquid Phase Separations and Related Techniques 2019-06-16 - 2019-06-20 2019.
  • Jancic-Stojanovic, Biljana; Forsdahl, Guro; Gmeiner, Günter. From Doping World - Small Secrets of Meldonium. Kongres Farmaceuta 2019-10-10 - 2019-10-13 2019.
  • Diab, Joseph; Hansen, Terkel; Goll, Rasmus; Jensen, Einar; Florholmen, Jon; Forsdahl, Guro. Metabolomics coupled with pathway analysis characterise metabolic changes in treatment-naive ulcerative colitis patients. European Crohn and Colitis Organization ECCO 2019 2019-03-07 - 2019-03-09 2019.
  • Diab, Joseph; Hansen, Terkel; Goll, Rasmus; Jensen, Einar; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. DOP15 Metabolomics coupled with pathway analysis characterise metabolic changes in treatment-naive ulcerative colitis patients. Journal of Crohn's and Colitis 2019; Volum 13. ISSN 1873-9946.s doi: 10.1093/ecco-jcc/jjy222.050.
  • Diab, Joseph; Hansen, Terkel; Goll, Rasmus; Stenlund, Hans; Ahnlund, Maria; Jensen, Einar; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. Lipidomics in ulcerative colitis reveal disruption of mucosal lipid composition associated with the disease state. American Journal of Gastroenterology 2019; Volum 114. ISSN 0002-9270.s doi: 10.14309/01.ajg.0000578136.97772.e2.
  • Diab, Joseph; Goll, Rasmus; Hansen, Terkel; Jensen, Einar; Moritz, Thomas; Florholmen, Jon; Forsdahl, Guro. Lipidomics in Ulcerative Colitis Reveal Disruption of Mucosal Lipids Composition in Association with the Disease State. Advances in Inflammatory Bowel Disease 2018 2018-12-12 - 2018-12-15 2018.
  • Forsdahl, Guro; Kratena, Nicolas; Geisendorfer, Thomas; Pilz, Sarah; Göschl, Lorenz; Pfeffer, Sandra; Weil, Matthias; Thevis, Mario; Enev, Valentin S; Gärtner, Peter; Gmeiner, Günter. Synthesis and characterization of a long-term metabolite of dehydrochloromethyltestosterone. Manfred Donike Workshop – 36th Cologne Workshop in Doping Analysis 2018-04-22 - 2018-04-27 2018.
  • Kasagic-Vujanovic, Irena; Knezevic, Darija; Forsdahl, Guro; Jancic-Stojanovic, Biljana. QbD oriented development and validation of the hilic method for the analysis of amitriptyline hydrochloride and its impurities. VII Serbian Congress of Pharmacy with international participation - Creating the future of pharmacy together 2018-10-10 - 2018-10-14 2018.
  • Forsdahl, Guro; Geisendorfer, Thomas; Göschl, Lorenz; Pfeffer, Sandra; Gärtner, Peter; Thevis, Mario; Gmeiner, Günter. Response to letter to the editor: "Comments on Unambiguous identification and characterization of a long-term human metabolite of dehydrochloromethyltestosterone". Drug Testing and Analysis 2018. ISSN 1942-7603.s doi: 10.1002/dta.2486..
  • Diab, Joseph; Al-Mahdi, Rania; Gouveia, Sandra; Hansen, Terkel; Moritz, Thomas; Jensen, Einar; Goll, Rasmus; Florholmen, Jon; Forsdahl, Guro. A quantitative analysis of colonic mucosal oxylipins and endocannabinoids in Ulcerative Colitis patients and cytokines gene expression. Copenhagen Symposium On Separation Sciences 2018-06-26 - 2018-06-27 2018.
  • Diab, Joseph; Hansen, Terkel; Jensen, Einar; Vasskog, Terje; Goll, Rasmus; Florholmen, Jon; Forsdahl, Guro. Lipidomics and Metabolomics in Inflammatory Bowel Disease: From pathology to clinical development prediction. Norske Symposium i Kromatografi 2018-01-07 - 2018.
  • Diab, Joseph; Gouveia, Sandra; Hansen, Terkel; Jensen, Einar; Thomas, Moritz; Goll, Rasmus; Florholmen, Jon; Forsdahl, Guro. Altered colonic mucosal oxylipins and endocannabinoids levels in treatment-naive and deep remission Ulcerative Colitis patients. Journal of Crohn's and Colitis 2018; Volum 12. ISSN 1873-9946.s S092 - S093.s doi: 10.1093/ecco-jcc/jjx180.131.
  • Diab, Joseph; Gouveia, Sandra; Hansen, Terkel; Jensen, Einar; Thomas, Moritz; Goll, Rasmus; Florholmen, Jon; Forsdahl, Guro. Altered colonic mucosal oxylipins and endocannabinoids levels in treatment-naive and deep remission Ulcerative Colitis patients. European Crohn and Colitis congress 18 2018-02-15 - 2018-02-17 2018.
  • Forsdahl, Guro; Erceg, Damir; Geisendorfer, Thomas; Turkalj, Mirjana; Plavec, Davor; Thevis, Mario; Tretzel, Laura; Gmeiner, Günter. Detection of testosterone esters in blood. Manfred Donike Workshop – 33rd Cologne Workshop in Doping Analysis 2015-03-01 - 2015-03-06 2015.
  • Forsdahl, Guro; Johnsgaard, Tine; Geisendorfer, Thomas; Kainzbauer, Joseph; Gmeiner, Günter. Evaluation of the influence of grapefruit juice on the endogenous urinary steroid profile. Manfred Donike Workshop – 33rd Cologne Workshop in Doping Analysis 2015-03-01 - 2015-03-06 2015.
  • Tretzel, Laura; Thomas, Andreas; Geyer, Hans; Gmeiner, Günter; Forsdahl, Guro; Pop, Valentin; Schänzer, Wilhelm; Thevis, Mario. Use of dried blood spots in doping control analysis of anabolic steroid esters. Manfred Donike Workshop – 32st Cologne Workshop in Doping Analysis 2014-03-30 - 2014-04-04 2014.
  • Schragl, Katharina M; Forsdahl, Guro; Gmeiner, Günter; Enev, Valentin S; Gärtner, Peter. Synthesis of doping-relevant arylpropionamide-derived SARM Metabolites. 20th International Conference on Organic Synthesis 2014-06-29 - 2014-07-04 2014.
  • Forsdahl, Guro; Geisendorfer, Thomas; Erceg, Damir; Norvik, Nina; Nguyen, Mai Linh; Gmeiner, Günter. Screening for endogenous hormones in serum: Effect of testosterone applications. Manfred Donike Workshop – 32st Cologne Workshop in Doping Analysis 2014-03-30 - 2014-04-04 2014.
  • Forsdahl, Guro; Vatne, Hanne Kirsti; Geisendorfer, Thomas; Gmeiner, Günter. Screening of testosterone esters in human plasma. Manfred Donike Workshop – 31st Cologne Workshop in Doping Analysis 2013-02-24 - 2013-03-01 2013.
  • Gärtner, Peter; Felzmann, Wolfgang; Novak, Clemens; Schröder, Katharina; Forsdahl, Guro; Gmeiner, Günter. Synthesis of stable isotopically labelled metabolites of doping agents and their application in analysis. VIIIth Joint Meeting on Medicinal Chemistry 2013-06-30 - 2013-07-04 2013.
  • Schragl, Katharina M; Forsdahl, Guro; Gmeiner, Günter; Enev, Valentin S; Gärtner, Peter. Novel pathway for the synthesis of arylpropionamide-derived selective androgen receptor modulator (SARM) metabolites of andarine and ostarine. Österreichische Chemietage 2013-09-23 - 2013-09-26 2013.
  • Forsdahl, Guro; Östreicher, Christian; Koller, Martina; Gmeiner, Günter. Carbon isotope ratio determination and investigation of seized testosterone preparations. Manfred Donike Workshop – 29th Cologne Workshop in Doping Analysis 2011-02-14 - 2011-02-18 2011.
  • Schragl, Katharina M; Enev, Valentin S; Forsdahl, Guro; Gmeiner, Günter; Gärtner, Peter. Mimicry of Drug Metabolism and Synthesis of relevant Metabolites of the Doping Substance Clomiphene. Österreichische Chemietage 2011-09-26 - 2011-09-29 2011.
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