Journal
FORENSIC SCIENCE INTERNATIONAL
Volume 213, Issue 1-3, Pages 104-108Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.forsciint.2011.07.014
Keywords
SARM; Doping; UHPLC-QTOF-MS; Mass spectrometry; Urine
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Funding
- Stop-Doping Foundation
- Societe de la Loterie de la Suisse Romande
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Recently, pharmaceutical industry developed a new class of therapeutics called Selective Androgen Receptor Modulator (SARM) to substitute the synthetic anabolic drugs used in medical treatments. Since the beginning of the anti-doping testing in sports in the 1970s, steroids have been the most frequently detected drugs mainly used for their anabolic properties. The major advantage of SARMs is the reduced androgenic activities which are the main source of side effects following anabolic agents' administration. In 2010, the Swiss laboratory for doping analyses reported the first case of SARMs abuse during in-competition testing. The analytical steps leading to this finding are described in this paper. Screening and confirmation results were obtained based on liquid chromatography tandem mass spectrometry (LCMS/MS) analyses. Additional information regarding the SARM S-4 metabolism was investigated by ultra high-pressure liquid chromatography coupled to quadrupole time-of-flight mass spectrometer (UHPLC-QTOF-MS). (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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