Works by Thevis, Mario

Results: 352

Identification of human metabolites of fast skeletal troponin activators Tirasemtiv and Reldesemtiv for doping control purposes.

Published in:

Drug Testing & Analysis, 2025, v. 17, n. 6, p. 812, doi. 10.1002/dta.3786

By:

Euler, Luisa;
Deinert, Kim;
Wagener, Felicitas;
Walpurgis, Katja;
Thevis, Mario

Publication type:

Article

The 42nd Manfred Donike Workshop on Doping Analysis.

Published in:

Drug Testing & Analysis, 2025, v. 17, n. 7, p. 1093, doi. 10.1002/dta.3815

By:

Thevis, Mario

Publication type:

Article

Long‐Term Excretion of Roxadustat in Urine.

Published in:

Drug Testing & Analysis, 2025, v. 17, n. 7, p. 1088, doi. 10.1002/dta.3813

By:

Sobolevsky, Tim;
Fedoruk, Matthew;
Dellanna, Frank;
Geyer, Hans;
Ahrens, Brian;
Thevis, Mario

Publication type:

Article

Improving the Determination of Carbon Isotope Ratios of Endogenous Steroids Found in Human Serum.

Published in:

Drug Testing & Analysis, 2025, v. 17, n. 7, p. 944, doi. 10.1002/dta.3793

By:

Piper, Thomas;
Thevis, Mario

Publication type:

Article

Simplifying and expanding the screening for peptides <2 kDa by direct urine injection, liquid chromatography, and ion mobility mass spectrometry.

Published in:

Journal of Separation Science, 2016, v. 39, n. 2, p. 333, doi. 10.1002/jssc.201501060

By:

Thomas, Andreas;
Görgens, Christian;
Guddat, Sven;
Thieme, Detlef;
Dellanna, Frank;
Schänzer, Wilhelm;
Thevis, Mario

Publication type:

Article

Acute hypertrophic but not maximal strength loading transiently enhances the kynurenine pathway towards kynurenic acid.

Published in:

2020

By:

Joisten, Niklas;
Schumann, Moritz;
Schenk, Alexander;
Walzik, David;
Freitag, Nils;
Knoop, Andre;
Thevis, Mario;
Bloch, Wilhelm;
Zimmer, Philipp

Publication type:

journal article

Longitudinal evaluation of laboratory results and method precision in worldwide erythropoietin external quality assessments.

Published in:

Frontiers in Molecular Biosciences, 2024, p. 01, doi. 10.3389/fmolb.2024.1390079

By:

Toll, Luisa;
Weiss, Nathalie;
Vierbaum, Laura;
Schellenberg, Ingo;
Thevis, Mario;
Wenzel, Folker

Publication type:

Article

Multiplex detection of seven transgenes for human gene doping analysis.

Published in:

Scientific Reports, 2025, v. 15, n. 1, p. 1, doi. 10.1038/s41598-025-06677-4

By:

Naumann, Nana;
Do, Carolin;
Vollmert, Caren;
Krajina, Maroje;
Thomas, Andreas;
Cheung, Hiu Wing;
Wong, Kin-Sing;
Wan, Terence S. M.;
Ho, Emmie N. M.;
Thevis, Mario

Publication type:

Article

Combined detection of inhibitors of the activin receptor signaling pathways (IASPs) by means of LC-HRMS/MS for human doping control.

Published in:

Scientific Reports, 2025, v. 15, n. 1, p. 1, doi. 10.1038/s41598-025-03562-y

By:

Sakellariou, Panagiotis;
Walpurgis, Katja;
Thomas, Andreas;
Marchand, Alexandre;
Miller, Geoff;
Dellanna, Frank;
Thevis, Mario

Publication type:

Article

Detection of the GH analogue somatrogon in doping control urine samples by means of LC-HRMS/MS.

Published in:

Scientific Reports, 2025, v. 15, n. 1, p. 1, doi. 10.1038/s41598-025-96361-4

By:

Walpurgis, Katja;
Thomas, Andreas;
Rauer, Alexandra;
Majer, Bettina;
Sato, Mitsuhiko;
Okano, Masato;
Al-Jaber, Maneera;
Abushareeda, Wadha;
Arsene, Cristian-Gabriel;
Geyer, Hans;
Thevis, Mario

Publication type:

Article

Effect of exercise on plasma insulin levels in individuals with type 1 diabetes: A systematic review and meta‐analysis.

Published in:

2025

By:

Kastrati, Lum;
Alvarez‐Martinez, Mario;
Thomas, Andreas;
Thevis, Mario;
Muka, Taulant;
Stettler, Christoph;
Herzig, David;
Glisic, Marija;
Bally, Lia

Publication type:

Literature Review

Kinetic disposition of diazepam and its metabolites after intravenous administration of diazepam in the horse: Relevance for doping control.

Published in:

Journal of Veterinary Pharmacology & Therapeutics, 2021, v. 44, n. 5, p. 733, doi. 10.1111/jvp.12991

By:

Schenk, Ina;
Machnik, Marc;
Broussou, Diane;
Meuly, Astrid;
Roques, Béatrice B.;
Lallemand, Elodie;
Düe, Michael;
Röttgen, Helma;
Lagershausen, Henrike;
Toutain, Pierre‐Louis;
Thevis, Mario

Publication type:

Article

Detecting the misuse of 7-oxo-DHEA by means of carbon isotope ratio mass spectrometry in doping control analysis.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2020, v. 34, n. 12, p. 1, doi. 10.1002/rcm.8776

By:

Piper, Thomas;
Fusshöller, Gregor;
Geyer, Hans;
Toboc, Ani;
Dănilă, Mădălin-George;
Thevis, Mario

Publication type:

Article

Elevated urinary cobalt concentrations identified in routine doping controls can originate from vitamin B12.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2020, v. 34, n. 7, p. 1, doi. 10.1002/rcm.8649

By:

Knoop, Andre;
Görgens, Christian;
Geyer, Hans;
Thevis, Mario

Publication type:

Article

Development of a mass spectrometry based detection method for the mitochondrion‐derived peptide MOTS‐c in plasma samples for doping control purposes.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2019, v. 33, n. 4, p. 371, doi. 10.1002/rcm.8337

By:

Knoop, Andre;
Thomas, Andreas;
Thevis, Mario

Publication type:

Article

Carbon isotope ratios of endogenous steroids in Belgian Blue and Holstein cattle:Method development, reference population studies and application to steroid misuse control.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2017, v. 31, n. 21, p. 1793, doi. 10.1002/rcm.7964

By:

Piper, Thomas;
Putz, Marlen;
Delahaut, Philippe;
Thevis, Mario

Publication type:

Article

Expanding analytical options in sports drug testing: Mass spectrometric detection of prohibited substances in exhaled breath.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2017, v. 31, n. 15, p. 1290, doi. 10.1002/rcm.7903

By:

Thevis, Mario;
Krug, Oliver;
Geyer, Hans;
Schänzer, Wilhelm

Publication type:

Article

Mass spectrometric characterization of the selective androgen receptor modulator (SARM) YK-11 for doping control purposes.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2017, v. 31, n. 14, p. 1175, doi. 10.1002/rcm.7886

By:

Thevis, Mario;
Piper, Thomas;
Dib, Josef;
Lagojda, Andreas;
Kühne, Dirk;
Packschies, Lars;
Geyer, Hans;
Schänzer, Wilhelm

Publication type:

Article

Investigation of the selective androgen receptor modulators S1, S4 and S22 and their metabolites in equine plasma using high-resolution mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2016, v. 30, n. 7, p. 833, doi. 10.1002/rcm.7512

By:

Hansson, Annelie;
Knych, Heather;
Stanley, Scott;
Thevis, Mario;
Bondesson, Ulf;
Hedeland, Mikael

Publication type:

Article

Emerging drugs affecting skeletal muscle function and mitochondrial biogenesis - Potential implications for sports drug testing programs.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2016, v. 30, n. 5, p. 635, doi. 10.1002/rcm.7470

By:

Thevis, Mario;
Schänzer, Wilhelm

Publication type:

Article

Characterization of a non-approved selective androgen receptor modulator drug candidate sold via the Internet and identification of in vitro generated phase-I metabolites for human sports drug testing.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2015, v. 29, n. 11, p. 991, doi. 10.1002/rcm.7189

By:

Thevis, Mario;
Lagojda, Andreas;
Kuehne, Dirk;
Thomas, Andreas;
Dib, Josef;
Hansson, Annelie;
Hedeland, Mikael;
Bondesson, Ulf;
Wigger, Tina;
Karst, Uwe;
Schänzer, Wilhelm

Publication type:

Article

Urine analysis concerning xenon for doping control purposes.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2015, v. 29, n. 1, p. 61, doi. 10.1002/rcm.7080

By:

Thevis, Mario;
Piper, Thomas;
Geyer, Hans;
Schaefer, Maximilian S.;
Schneemann, Julia;
Kienbaum, Peter;
Schänzer, Wilhelm

Publication type:

Article

Measuring xenon in human plasma and blood by gas chromatography/mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2014, v. 28, n. 13, p. 1501, doi. 10.1002/rcm.6926

By:

Thevis, Mario;
Piper, Thomas;
Geyer, Hans;
Thomas, Andreas;
Schaefer, Maximilian S.;
Kienbaum, Peter;
Schänzer, Wilhelm

Publication type:

Article

Quantification of intact human insulin-like growth factor-I in serum by nano-ultrahigh-performance liquid chromatography/tandem mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2014, v. 28, n. 13, p. 1426, doi. 10.1002/rcm.6908

By:

Lopes, Filipe;
Cowan, David A.;
Thevis, Mario;
Thomas, Andreas;
Parkin, Mark C.

Publication type:

Article

Determination of 13C/12C ratios of endogenous urinary 5-amino-imidazole-4-carboxamide 1β-D-ribofuranoside (AICAR).

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2014, v. 28, n. 11, p. 1194, doi. 10.1002/rcm.6891

By:

Piper, Thomas;
Thomas, Andreas;
Baume, Norbert;
Sobolevsky, Timothy;
Saugy, Martial;
Rodchenkov, Grigory;
Schänzer, Wilhelm;
Thevis, Mario

Publication type:

Article

Isotope-dilution mass spectrometric quantification of the prodrug lisdexamfetamine in human urine in doping control analysis.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2014, v. 28, n. 7, p. 781, doi. 10.1002/rcm.6844

By:

Thevis, Mario;
Sigmund, Gerd;
Thomas, Andreas;
Vogel, Matthias;
Walpurgis, Katja;
Kwiatkowska, Dorota;
Geyer, Hans;
Schänzer, Wilhelm

Publication type:

Article

Hydrogen isotope ratio mass spectrometry and high-resolution/high-accuracy mass spectrometry in metabolite identification studies: Detecting target compounds for sports drug testing.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2013, v. 27, n. 17, p. 1904, doi. 10.1002/rcm.6648

By:

Thevis, Mario;
Piper, Thomas;
Horning, Stevan;
Juchelka, Dieter;
Schänzer, Wilhelm

Publication type:

Article

Expanding sports drug testing assays: Mass spectrometric characterization of the selective androgen receptor modulator drug candidates RAD140 and ACP-105.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2013, v. 27, n. 11, p. 1173, doi. 10.1002/rcm.6558

By:

Thevis, Mario;
Piper, Thomas;
Beuck, Simon;
Geyer, Hans;
Schänzer, Wilhelm

Publication type:

Article

Monitoring phosphodiesterase-4 inhibitors using liquid chromatography/(tandem) mass spectrometry in sports drug testing.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2013, v. 27, n. 9, p. 993, doi. 10.1002/rcm.6539

By:

Thevis, Mario;
Krug, Oliver;
Schänzer, Wilhelm

Publication type:

Article

Does the analysis of the enantiomeric composition of clenbuterol in human urine enable the differentiation of illicit clenbuterol administration from food contamination in sports drug testing?

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2013, v. 27, n. 4, p. 507, doi. 10.1002/rcm.6485

By:

Thevis, Mario;
Thomas, Andreas;
Beuck, Simon;
Butch, Anthony;
Dvorak, Jiri;
Schänzer, Wilhelm

Publication type:

Article

Fragmentation studies of SIRT1-activating drugs and their detection in human plasma for doping control purposes.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2013, v. 27, n. 1, p. 35, doi. 10.1002/rcm.6421

By:

Höppner, Sebastian;
Schänzer, Wilhelm;
Thevis, Mario

Publication type:

Article

Determination of stimulants using gas chromatography/high-resolution time-of-flight mass spectrometry and a soft ionization source.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2012, v. 26, n. 23, p. 2714, doi. 10.1002/rcm.6398

By:

Lopez-Avila, Viorica;
Cooley, James;
Urdahl, Randall;
Thevis, Mario

Publication type:

Article

Synthesis, characterisation, and mass spectrometric detection of a pegylated EPO-mimetic peptide for sports drug testing purposes.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2011, v. 25, n. 15, p. 2115, doi. 10.1002/rcm.5109

By:

Möller, Ines;
Thomas, Andreas;
Geyer, Hans;
Schänzer, Wilhelm;
Thevis, Mario

Publication type:

Article

Mass spectrometric characterization of urinary metabolites of the selective androgen receptor modulator S-22 to identify potential targets for routine doping controls.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2011, v. 25, n. 15, p. 2187, doi. 10.1002/rcm.5100

By:

Thevis, Mario;
Thomas, Andreas;
Möller, Ines;
Geyer, Hans;
Dalton, James T.;
Schänzer, Wilhelm

Publication type:

Article

Determination of 13C/12C ratios of endogenous urinary steroids excreted as sulpho conjugates.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2010, v. 24, n. 21, p. 3171, doi. 10.1002/rcm.4762

By:

Piper, Thomas;
Opfermann, Georg;
Thevis, Mario;
Schänzer, Wilhelm

Publication type:

Article

Mass spectrometric characterization of urinary metabolites of the selective androgen receptor modulator andarine (S-4) for routine doping control purposes.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2010, v. 24, n. 15, p. 2245, doi. 10.1002/rcm.4637

By:

Thevis, Mario;
Thomas, Andreas;
Fußhöller, Gregor;
Beuck, Simon;
Geyer, Hans;
Schänzer, Wilhelm

Publication type:

Article

Comprehensive plasma-screening for known and unknown substances in doping controls.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2010, v. 24, n. 8, p. 1124, doi. 10.1002/rcm.4492

By:

Thomas, Andreas;
Guddat, Sven;
Kohler, Maxie;
Krug, Oliver;
Schänzer, Wilhelm;
Petrou, Michael;
Thevis, Mario

Publication type:

Article

Determination of Synacthen in urine for sports drug testing by means of nano-ultra-performance liquid chromatography/tandem mass spectrometry.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2009, v. 23, n. 17, p. 2669, doi. 10.1002/rcm.4176

By:

Thomas, Andreas;
Kohler, Maxie;
Schänzer, Wilhelm;
Kamber, Matthias;
Delahaut, Philippe;
Thevis, Mario

Publication type:

Article

Electron ionization mass spectrometry of the ryanodine receptor-based Ca2+-channel stabilizer S-107 and its implementation into routine doping control.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2009, v. 23, n. 15, p. 2363, doi. 10.1002/rcm.4161

By:

Thevis, Mario;
Beuck, Simon;
Thomas, Andreas;
Fußhöller, Gregor;
Sigmund, Gerg;
Schlörer, Nils;
Rodchenkov, Grigory;
Schäfer, Mathias;
Schänzer, Wilhelm

Publication type:

Article

Determination of the deuterium/hydrogen ratio of endogenous urinary steroids for doping control purposes.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2009, v. 23, n. 13, p. 1917, doi. 10.1002/rcm.4098

By:

Piper, Thomas;
Thevis, Mario;
Flenker, Ulrich;
Schänzer, Wilhelm

Publication type:

Article

Doping control analysis of emerging drugs in human plasma - identification of GW501516, S-107, JTV-519, and S-40503.

Published in:

Rapid Communications in Mass Spectrometry: RCM, 2009, v. 23, n. 8, p. 1139, doi. 10.1002/rcm.3987

By:

Thevis, Mario;
Beuck, Simon;
Thomas, Andreas;
Kortner, Birthe;
Kohler, Maxie;
Rodchenkov, Grigory;
Schänzer, Wilhelm

Publication type:

Article

Continuous Glucose Monitoring (CGM) in Sports—A Comparison between a CGM Device and Lab-Based Glucose Analyser under Resting and Exercising Conditions in Athletes.

Published in:

International Journal of Environmental Research & Public Health, 2023, v. 20, n. 15, p. 6440, doi. 10.3390/ijerph20156440

By:

Bauhaus, Helen;
Erdogan, Pinar;
Braun, Hans;
Thevis, Mario

Publication type:

Article

Doping und Dopinganalytik: Wirkstoffe und Methoden.

Published in:

Chemie in unserer Zeit, 2004, v. 38, n. 4, p. 230, doi. 10.1002/ciuz.200400300

By:

Schänzer, Wilhelm;
Thevis, Mario

Publication type:

Article

Doping im Behindertensport.

Published in:

Medizinische Klinik (Urban & Vogel), 2009, v. 104, n. 12, p. 918, doi. 10.1007/s00063-009-1190-8

By:

Thevis, Mario;
Hemmersbach, Peter;
Geyer, Hans;
Schänzer, Wilhelm

Publication type:

Article

Dopingkontrollaktivitäten in Deutschland 1989–2006.

Published in:

Medizinische Klinik (Urban & Vogel), 2008, v. 103, n. 5, p. 282, doi. 10.1007/s00063-008-1052-9

By:

Mario Thevis;
Wilhelm Schänzer

Publication type:

Article

Identification of black market products and potential doping agents in Germany 2010-2013.

Published in:

European Journal of Clinical Pharmacology, 2014, v. 70, n. 11, p. 1303, doi. 10.1007/s00228-014-1743-5

By:

Krug, Oliver;
Thomas, Andreas;
Walpurgis, Katja;
Piper, Thomas;
Sigmund, Gerd;
Schänzer, Wilhelm;
Laussmann, Tim;
Thevis, Mario

Publication type:

Article

Identification of metabolites of peptide-derived drugs using an isotope-labeled reporter ion screening strategy.

Published in:

Clinical Chemistry & Laboratory Medicine, 2020, v. 58, n. 5, p. 690, doi. 10.1515/cclm-2019-1009

By:

Thomas, Andreas;
Thevis, Mario

Publication type:

Article

Obesity resistance of the stearoyl-CoA desaturase-deficient ( scd1-/-) mouse results from disruption of the epidermal lipid barrier and adaptive thermoregulation.

Published in:

Biological Chemistry, 2007, v. 388, n. 4, p. 405, doi. 10.1515/BC.2007.046

By:

Binczek, Erika;
Jenke, Britta;
Holz, Barbara;
Günter, Robert Heinz;
Thevis, Mario;
Stoffel, Wilhelm

Publication type:

Article

Comparison of in vitro approaches for predicting the metabolism of the selective androgen receptor modulator RAD140.

Published in:

Analytical & Bioanalytical Chemistry, 2023, v. 415, n. 23, p. 5657, doi. 10.1007/s00216-023-04835-z

By:

Wagener, Felicitas;
Naumann, Nana;
Göldner, Valentin;
Görgens, Christian;
Guddat, Sven;
Karst, Uwe;
Thevis, Mario

Publication type:

Article

Investigations into the concentration and metabolite profiles of stanozolol and LGD-4033 in blood plasma and seminal fluid using liquid chromatography high-resolution mass spectrometry.

Published in:

Analytical & Bioanalytical Chemistry, 2023, v. 415, n. 4, p. 669, doi. 10.1007/s00216-022-04456-y

By:

Breuer, Johanna;
Thomas, Andreas;
Delahaut, Philippe;
Schänzer, Wilhelm;
Geyer, Hans;
Thevis, Mario

Publication type:

Article