The UFC lightweight fighter Carlos Diego Ferreira has received a suspension of 17 months for declaring the use of a product that contained a prohibited substance and testing positive for another prohibited substance.

The Brazilian mixed martial artist, who is currently competing in the Lightweight division of the Ultimate Fighting Championship, tested positive for Ostarine [a prohibited Selective Androgen Receptor Modulator (SARM)] in an out-of-competition drug test on April 29. The MMA fighter additionally declared the use of a product on his sample paperwork that contained the banned substance 7-keto-DHEA. Under the Prohibited List of the World Anti-Doping Agency, both Ostarine and 7-keto-DHEA are prohibited substances in the class of Anabolic Agents.

In a statement, the United States Anti-Doping Agency said Ferreira following notification of his positive test tested several of the supplement products he was reportedly using at the time of his positive test. The USADA statement further reads that although Ostarine was not listed on any of the supplement labels, preliminary testing conducted on the supplement product that listed 7-keto-DHEA as an ingredient indicated that it also contained Ostarine.

It was also added that the WADA-accredited laboratory in Salt Lake City, Utah, at the request of USADA independently obtained and analyzed the contents of an unopened container of the supplement in question. The USADA statement reads that testing conclusively confirmed that although the supplement only listed one prohibited substance as an ingredient (7-keto-DHEA), it actually contained 7-keto-DHEA and a second undeclared prohibited substance (Ostarine) as well. USADA further added that Ferreira advised the United States Anti-Doping Agency that although he researched the product prior to using it, he did not realize 7-keto-DHEA was a prohibited substance, or that the supplement contained Ostarine.

USADA based on the circumstance of the anti-doping violation elected to reduce the suspension of Ferreira from two years to 17 months, retroactive to April 29. The Brazilian mixed martial artist will now be eligible to return in September 2014.

The UFC lightweight fighter was previously suspended for one year by the Nevada Athletic Commission for the positive test. The UFC will adhere to the lengthier punishment administered by the United States Anti-Doping Agency.

Ferreira was scheduled to face Abel Trujillo at UFC Fight Night 88 on May 29 but his name was removed from the fight card after the positive test.

The former Legacy FC lightweight champion started training Brazilian jiu-jitsu at age 10. He made his professional MMA debut against Joseph Daily at STFC 15 on April 15, 2011 wjere won the fight via split decision. Ferreira went on to compile an undefeated record of 9–0 before he signed with the Ultimate Fighting Championship. Ferreira faced Colton Smith at UFC Fight Night: Swanson vs. Stephens in his debut and won a Performance of the Night bonus where he won the fight via submission (rear-naked choke). He then defeated Ramsey Nijem at UFC 177 and won the Fight of the Night bonus. Later, ge faced Beneil Dariush at UFC 179 but lost the fight via unanimous decision.

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