Christian Görgens

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• 2024

  Elucidation of the metabolism of dehydrochloromethyl-testosterone in human skin and liver using a co-culture microphysiological chip model

  Peters, I., Naumann, N., Görgens, C., Guddat, S. & Thevis, M., 2024, Recent Advances in Doping Analysis (32): Proceedings of the Manfred Donike Workshop, 42nd Cologne Workshop on Dope Analysis 2024. Thevis, M., Geyer, H. & Mareck, U. (eds.). Köln: Sportverlag Strauß, Vol. 32. p. 263

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Urinary metabolites indicative of the administration of hypoxen monitored by liquid chromatography – high resolution/accurate mass tandem mass spectrometry

  Görgens, C., Möller, T., Guddat, S., Thomas, A., Svambayev, E., Geyer, H. & Thevis, M., 2024, Recent Advances in Doping Analysis (32): Proceedings of the Manfred Donike Workshop, 42nd Cologne Workshop on Dope Analysis 2024. Thevis, M., Geyer, H. & Mareck, U. (eds.). Köln: Sportverlag Strauß, Vol. 32. p. 292

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2023

  3D cultivation of HepaRG cells for metabolite prediction of the calstabin-ryanodine receptor complex stabilizer S107 in preventive doping research

  Peters, I., Naumann, N., Görgens, C., Guddat, S. & Thevis, M., 2023, Proceedings of the Manfred Donike Workshop: 41st Cologne Workshop on Dope Analysis 2023. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, p. 235 (Recent advances in doping analysis; vol. 31).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Detection of capromorelin in urine following different routes of administration

  Sobolevsky, T., Walpurgis, K., Görgens, C., Fedoruk, M., Lewis, L., Ahrens, B. & Thevis, M., 2023, Proceedings of the Manfred Donike Workshop: 41st Cologne Workshop on Dope Analysis 2023. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, p. 230 (Recent advances in doping analysis; vol. 31).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Determination of urinary deanol-N-oxide excretion profiles after ingestion of nutritional supplements containing deanol

  Krug, O., Guddat, S., Möller, T-A., Piper, T., Görgens, C. & Thevis, M., 2023, Proceedings of the Manfred Donike Workshop : 41st Cologne Workshop on Dope Analysis 2023. Geyer, H., Thevis, M. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, Vol. 31. p. 183-184 2 p. (Recent advances in doping analysis; vol. 31).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Using organ-on-a-chip for predicting the metabolism of the selective androgen receptor modulator RAD140 in comparison to established in vitro approaches

  Wagener, F., Naumann, N., Leciejewska, N., Görgens, C., Guddat, S. & Thevis, M., 2023, Proceedings of the Manfred Donike Workshop : 41st Cologne Workshop on Dope Analysis 2023. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, Vol. 31. p. 188 1 p. (Recent advances in doping analysis; vol. 31).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2022

  Chiral analysis of selected enantiomeric drugs relevant in doping controls

  Rubio Alaejos, A., Görgens, C., Guddat, S., Piper, T., Garzinsky, A-M., Krug, O. & Thevis, M., 2022, Proceedings of the Manfred Donike Workshop: 40th Cologne Workshop on Dope Analysis 28th March to 1st April 2022. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, Vol. 30. p. 220 1 p. (Recent Advances in Doping Analysis; vol. 30).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Dried blood spots for doping controls – development of a comprehensive initial testing procedure with fully automated sample preparation

  Garzinsky, A-M., Thomas, A., Guddat, S., Görgens, C., Dib, J. & Thevis, M., 2022, Proceedings of the Manfred Donike Workshop: 40th Cologne Workshop on Dope Analysis 28th March to 1st April 2022. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, Vol. 30. p. 198 1 p. (Recent Advances in Doping Analysis; vol. 30).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Investigations into the elimination profiles and metabolite ratios of micro-dosed selective androgen receptor modulator LGD-4033 for doping control purposes

  Wagener, F., Guddat, S., Görgens, C., Petrou, M., Angelis, Y. S., Lagojda, A., Kühne, D. & Thevis, M., 2022, Proceedings of the Manfred Donike Workshop: 40th Cologne Workshop on Dope Analysis 28th March to 1st April 2022. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, Vol. 30. p. 172 1 p. (Recent Advances in Doping Analysis; vol. 30).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2021

  Comprehensive insights into the formation of metabolites of the ghrelin mimetics capromorelin, macimorelin and tabimorelin as potential markers for doping control purposes

  Lange, T., Thomas, A., Görgens, C., Bidlingmaier, M., Schillbach, K., Fichant, E., Delahaut, P. & Thevis, M., 2021, Proceedings of the Manfred Donike Workshop: 39th Cologne Workshop on Dope Analysis, 2021. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, p. 195 1 p. (Recent advances in doping analysis; vol. 29).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Elimination profiles of microdosed SARM LGD-4033 mimicking contaminated product ingestion

  Wagener, F., Möller, T., Guddat, S., Görgens, C., Angelis, Y. S., Petrou, M., Lagojda, A., Kühne, D. & Thevis, M., 2021, Proceedings of the Manfred Donike Workshop: 39th Cologne Workshop on Dope Analysis, 2021 . Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, p. 192 1 p. (Recent advances in doping analysis; vol. 29).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Meldonium residues in milk - a possible scenario for inadvertent doping in sports?

  Guddat, S., Görgens, C., Sobolevsky, T. & Thevis, M., 2021, Proceedings of the Manfred Donike Workshop: 39th Cologne Workshop on Dope Analysis, 2021 . Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, p. 250 1 p. (Recent advances in doping analysis; vol. 29).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Organ-on-a-chip: Determine feasibility of a liver microphysiological model to assess long-term steroid metabolites in sports drug testing

  Görgens, C., Ramme, A. P., Guddat, S., Schrader, Y., Winter, A., Dehne, E., Horland, R. & Thevis, M., 2021, Proceedings of the Manfred Dokike Workshop: 39th Cologne Workshop on Dope Analysis, 2021 . Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, p. 191 1 p. (Recent advances in doping analysis; vol. 29).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2020

  Implementation of the HIF activator IOX-2 in routine doping controls – pilot study data

  Görgens, C., Guddat, S., Bosse, C., Knoop, A-J., Geyer, H. & Thevis, M., 2020, Proceedings of the Manfred Donike Workshop: 38th Cologne Workshop on Dope Analysis 9th to 14th Feb 2020. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, p. 244 1 p. (Recent advances in doping analysis; vol. 28).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Paperspray mass spectrometry – A potential novel technique for the detection of polar compounds in sports drug testing? A pilot study

  Görgens, C., Walker, K., Boeser, C., Wijeratne, N., Martins, C., Guddat, S. & Thevis, M., 2020, Proceedings of the Manfred Donike Workshop: 38th Cologne Workshop on Dope Analysis 9th to 14th Feb 2020. Thevis, M., Geyer, H. & Mareck, U. (eds.). Hellenthal: Sportverlag Strauß, p. 170 1 p. (Recent advances in doping analysis; vol. 28).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2019

  Pilot study on the effects of intravesical oxybutynin hydrochloride instillations on the validity of doping control urine samples

  Walpurgis, K., Scheiff, A. B., Welz, M., Müller-Reul, J., Webborn, N., Görgens, C., Guddat, S., Fußhöller, G., Dib, J. & Thevis, M., 2019, Proceedings of the Manfred Donike Workshop: 37th Cologne Workshop on Dope Analysis 17th to 22nd Feb 2019. Thevis, M., Geyer, H. & Mareck, U. (eds.). Köln: Sportverlag Strauß, p. 150 1 p. (Recent advances in doping analysis; vol. 27).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2018

  Clomiphene - targeting of the unchanged drug results in unusual prolonged detection windows in urine

  Guddat, S., Görgens, C., Geyer, H., Pfanner, T. & Thevis, M., 2018, Recent advances in doping analysis (26): 36th Cologne Workshop on Dope Analysis 23rd to 26th April 2018. Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, Vol. 26. p. 118-121 4 p. (Recent advances in doping analysis; vol. 26).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Detection of myo-inositol trispyrophosphate (ITPP) in human urine following an oral administration of ITPP – a pilot study

  Görgens, C., Guddat, S., Södje, D., Geyer, H. & Thevis, M., 2018, Recent advances in doping analysis (26): 36th Cologne Workshop on Dope Analysis 23rd to 26th April 2018. Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, p. 109-113 5 p. (Recent advances in doping analysis; vol. 26).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Detection of the Hypoxia-Inducible Factor (HIF) stabilizer drug candidate BAY 85-3934 (Molidustat) in routine doping controls

  Dib, J., Guddat, S., Geyer, H., Görgens, C. & Thevis, M., 2018, Recent advances in doping analysis (26): 36th Cologne Workshop on Dope Analysis 23rd to 26th April 2018. Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, p. 247 1 p. (Recent advances in doping analysis; vol. 26).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Recent improvements concerning the screening of peptides (< 2 kDa) in sports drug testing: sample preparation, mass spectrometric detection, and data review

  Görgens, C., Guddat, S., Thomas, A. & Thevis, M., 2018, Recent advances in doping analysis (26): 36th Cologne Workshop on Dope Analysis 23rd to 26th April 2018. Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, p. 230 1 p. (Recent advances in doping analysis; vol. 26).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Urinary ethyl glucuronide in doping control samples: evaluation of gender, sport discipline, type of control and concentration

  Mareck, U., Fußhöller, G., Geyer, H., Görgens, C., Guddat, S., Haenelt, N., Romberg, S., Schänzer, W. & Thevis, M., 2018, Recent advances in doping analysis (26): 36th Cologne Workshop on Dope Analysis 23rd to 26th April 2018. Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, p. 167-169 3 p. (Recent advances in doping analysis; vol. 26).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2017

  Investigation of urinary detection windows after multiple oral dosages of meldonium - a pilot study

  Görgens, C., Thevis, M., Schänzer, W., Geyer, H., Guddat, S. & Bosse, C., 2017, Recent advances in doping analysis: 35th Cologne Workshop on Dope Analysis, 5th to 10th March 2017. Schänzer, W., Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, p. 37-40 4 p. (Recent advances in doping analysis; vol. 25).

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• The atypical excretion profile of meldonium: comparison of urinary detection windows after single- and multiple-dose application in healthy volunteers

  Görgens, C., Thevis, M., Schänzer, W., Pop, V., Geyer, H., Bosse, C. & Guddat, S., 2017, Recent advances in doping analysis: Proceedings of the Manfred Donike Workshop on Dope Analysis. Schänzer, W., Thevis, M., Geyer, H. & Mareck, U. (eds.). 2017 ed. Sportverlag Strauß, Vol. 25. p. 156 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2016

  Mildronate (Meldonium) in professional sports: monitoring of doping control urine samples

  Görgens, C., Guddat, S., Dib, J., Wachsmuth, P., Geyer, H., Schänzer, W. & Thevis, M., 2016, Recent advances in doping analysis (24): Proceedings of the Manfred Donike Workshop on Dope Analysis. Schänzer, W., Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, Vol. 24. p. 182 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Mitragynine (Kratom) - monitoring in sports drug testing.

  Guddat, S., Görgens, C., Steinhart, V., Schänzer, W. & Thevis, M., 2016, Recent advances in doping analysis: Proceedings of the Manfred Donike Workshop in Dope Analysis. Schänzer, W., Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, Vol. 24. p. 140 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• Simplifying and expanding analytical capabilities for various classes of polar and non-polar doping agents by means of direct urine injection high resolution/high accuracy mass spectrometry.

  Görgens, C., Guddat, S., Thomas, A., Wachsmuth, P., Orlovius, A-K., Sigmund, G., Thevis, M. & Schänzer, W., 2016, Recent advances in doping analysis: Proceedings of the Manfred Donike Workshop in Dope Analysis. Sportverlag Strauß, Vol. 24. p. 145 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

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

  Thomas, A., Görgens, C., Guddat, S., Thieme, D., Dellanna, F., Schänzer, W. & Thevis, M., 2016, Recent advances in doping analysis: Proceedings of the Manfred Donike Workshop in Dope Analysis. Schänzer, W., Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, Vol. 24. p. 147 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review
• 2015

  Mildronate (Meldonium) in professional sports – monitoring doping control urine samples using hydrophilic interaction liquid chromatography - high resolution / high accuracy mass spectrometry

  Guddat, S., Görgens, C., Dib, J., Geyer, H., Schänzer, W. & Thevis, M., 2015, Recent advances in doping analysis (23). Schänzer, W., Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, Vol. 23. p. 230 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research

• “Dilute-and-Inject” multi-target screening assay for highly polar doping agents using hydrophilic interaction liquid chromatography high resolution/high accuracy mass spectrometry (HILIC-HRMS) for sports drug testing

  Görgens, C., Guddat, S., Orlovius, A-K., Sigmund, G., Thomas, A., Thevis, M. & Schänzer, W., 2015, Recent advances in doping analysis (23). Schänzer, W., Thevis, M., Geyer, H. & Mareck, U. (eds.). Sportverlag Strauß, Vol. 23. p. 229 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research
• 2014

  Detection of glycerol by hydrophilic interaction chromatography high resolution/high accuracy mass spectrometry

  Guddat, S., Görgens, C., Thevis, M. & Schänzer, W., 2014, Recent advances in doping analysis (22). Schänzer W, Thevis M, Geyer H, Mareck U (ed.). Sportverlag Strauß, Vol. 22. p. 256 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review

• High-throughput screening and confirmation of myo-inositol trispyro-phosphate (ITPP) in human urine by HILIC high resolution / high accuracy mass spectrometry for doping control purposes

  Görgens, C., Guddat, S., Schänzer, W. & Thevis, M., 2014, Recent advances in doping analysis (22). Schänzer W, Thevis M, Geyer H, Mareck U (ed.). Sportverlag Strauß, Vol. 22. p. 220 1 p.

  Publication: Chapter in Book/Report/Conference proceeding › Conference contribution - Published abstract for conference with selection process › Research › peer-review