11th February 2020

Michel Prazeres Accepts Sanction for Violation of UFC Anti-Doping Policy

USADA announced today that Michel Prazeres of Belém, Brazil, has accepted a two-year sanction for a violation of the UFC® Anti-Doping Policy after testing positive for a prohibited substance. Prazeres, 38, tested positive for exogenous boldenone and its metabolite 5β-androst-1-en-17β-ol-3-one as the result of two out-of-competition urine samples he provided on March 9, 2019.

Confirmation of the positive test was achieved through additional analysis using the sensitive isotope ratio mass spectrometry (GC/C/IRMS) method, which reported laboratory results consistent with the exogenous origin of boldenone. Boldenone is a non-Specified Substance in the class of Anabolic Agents and is prohibited at all times under the UFC Anti-Doping Policy and UFC Prohibited List. Prazeres’ two-year period of ineligibility began on March 9, 2019, the date his positive samples were collected.

• This media release was published by the Ultimate Fighting Championships (UFC) and the US Anti-Doping Agency (USADA) on 11 February 2020. Click here for the original.

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