Mario Thevis

German Sport University Cologne — Germany

Medicine · Health Sciences

61h-index15.4kcitations598works2.42yr avg
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Research Topics

Hormonal and reproductive studies(325), Muscle metabolism and nutrition(183), Mass Spectrometry Techniques and Applications(111), Pharmacological Effects and Assays(91), Forensic Toxicology and Drug Analysis(75)

Publications598 total

Investigations Into the Human Metabolism of Trestolone (7α‐Methyl‐19‐Nortestosterone)
Drug Testing and Analysis·2025Open Access
Further Insights Into the Metabolism of LGD‐4033 in Human Urine. Part 1. Structure Elucidation of Additional Important Metabolites
Drug Testing and Analysis·2025· 1 citedOpen Access
Assessing the Effect of Probiotics in the Steroidal Module of the Athlete's Biological Passport
Drug Testing and Analysis·2025Open Access
Further Insights Into the Metabolism of LGD‐4033 in Human Urine. Part 2. A New Minor Metabolite With Antagonistic Activity on the Androgen Receptor Can Indicate Recent Substance Intake
Drug Testing and Analysis·2025Open Access
The influence of the route of drug administration on the metabolic profile of trenbolone in doping control urine samples
Steroids·2025Open Access
When is a sample a urine sample? Markers for urine sample authenticity assessment in sports drug testing
Bioanalysis·2025Open Access
Simplified Analysis of Native Steroid Esters in Dried Blood Spots by LC–MS <sup>3</sup>
Journal of Mass Spectrometry·2025Open Access
Proof-of-concept of a prior validated LC-MS/MS method for detection of N-lactoyl-phenylalanine in dried blood spots before, during and after a performance diagnostic test of junior squad triathletes
Frontiers in Sports and Active Living·2025Open Access
Transdermal Uptake of Substances Banned in Sports and Its Relevance for Doping Controls
International Journal of Sports Medicine·2025· 1 cited
Exploring transdermal SARMs exposure: analysis of the elimination profiles and metabolism for doping control purposes
Journal of Analytical Toxicology·2025· 2 cited
In Vitro Metabolism of Doping Agents (Stanozolol, LGD-4033, Anastrozole, GW1516, Trimetazidine) by Human Seminal Vesicle and Liver Fractions
Metabolites·2025· 1 citedOpen Access
Phosphatidylethanol in post‐mortem blood: A comparative study of blood matrices and its stability at routine storage conditions
Journal of Forensic Sciences·2025· 1 citedOpen Access
Multiplex detection of seven transgenes for human gene doping analysis
Scientific Reports·2025· 2 citedOpen Access
Physical exercise to rebalance kynurenine metabolism in borderline personality disorder – Preliminary findings
Brain Behavior & Immunity - Health·2025Open Access
Combined detection of inhibitors of the activin receptor signaling pathways (IASPs) by means of LC-HRMS/MS for human doping control
Scientific Reports·2025· 1 citedOpen Access
Assessment and cross-validation of calibration transferability between dried blood spot sampling devices for accurate quantification of phosphatidylethanol
Analytical and Bioanalytical Chemistry·2025· 2 citedOpen Access
Gel Electrophoretic Detection of Black Market ACE‐031
Drug Testing and Analysis·2025· 1 citedOpen Access
Investigations Into the Urinary Metabolite Elimination Profile of the Selective Androgen Receptor Modulator S‐23 in Studies Mimicking Contaminated Product Ingestion for Doping Control Purposes
Biomedical Chromatography·2025· 2 citedOpen Access
Investigations Into Structures of In Vitro<i>–</i>Derived Phase I Metabolites of a Novel 20‐Keto‐Steroid S42 by GC‐EI HR MS Analysis and Chemical Synthesis
Drug Testing and Analysis·2025· 1 citedOpen Access
Human Sports Drug Testing: Analytical Challenges and Solutions
Analytical Chemistry·2025· 1 cited
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Frequent Co-authors

Wilhelm Schänzer(40), Andreas Thomas(26), Hans Geyer(16), Ute Mareck(5), Georg Opfermann(5), Philippe Delahaut(5), Maxie Kohler(4), Sven Guddat(4), Tiia Kuuranne(3), Alain Bosseloir(3), Gerd Sigmund(3), H. Geyer(3), Maria Kristina Parr(2), Thomas Piper(2), Ulrich Flenker(2), Ines Möller(2), Oliver Krug(2), Gregor Fußhöller(2), Katja Walpurgis(2), Michael Petrou(2)