Jamaican Olympic sprint relay gold medalist Nesta Carter has returned an anti-doping violation for Methylhexanamine, a banned stimulant.

The positive test was announced after the re-testing of 454 samples from the 2008 Beijing Games. According to media reports, traces of Methylhexanamine were discovered in the ‘A’ sample of Carter. The sample was part of a batch of 454 from the 2008 Games that was ordered to be retested by the International Olympic Committee (IOC). The Jamaican, who won gold in the 4×100 meters relay with Jamaican team mates Usain Bolt, Asafa Powell, and Michael Frater in Beijing, could face sanctions only if his “B” sample also tests positive for the substance.  Carter’s ‘B’ sample test is due to be reanalyzed in Lausanne, Switzerland, later this month.

Carter had won individual 100m bronze at the 2013 World Championships and has been an important member of the all-conquering Jamaican 4x100m team led by Bolt with a 100m personal best of 9.78sec set in 2010.

Bolt, the fastest man on the earth, could now be stripped of one of his six Olympic titles after Carter was reported as among those to fail a drugs test in the reanalysis of urine and blood samples from the 2008 Olympics in Beijing. Carter, the sixth fastest 100m runner of all time, ran the opening leg eight years ago at the Olympic final when Jamaica stormed to victory in a world-record 37.10sec, which helped Bolt to a clean sweep of sprint titles as the Jamaican star burst onto the global stage at his first Games.

Mike Fennell, president of the Jamaica Olympic Association, refused to deny or confirm the news. Carter and his agent declined to make comments. Methylhexanamine has been on the World Anti-Doping Agency (WADA) Code prohibited list since 2004 and the substance was reclassified on the 2011 list as a “specified substance” that covers specified substances as those that are more susceptible to a “credible, non-doping explanation”. Methylhexanamine is commonly used as an ingredient in dietary supplements and was sold as a nasal decongestant in the United States until 1983.

The Jamaican Olympic Association has confirmed it has received a notice that an athlete from its 2008 team tested positive for performance enhancing drugs. The JOA would not release the name of the athlete, citing confidentiality rules.

IOC recently decided that any doping cases arising from the re-tests will be dealt with directly by them. Usually, such cases are handled by the relevant national federations and national anti-doping agencies. Last week, IOC president Thomas Bach said we want to keep dopers away from the Olympic games in Rio de Janeiro and this is why we are acting swiftly now. Bach, while announcing the re-testing of 265 samples from the London Olympics, said he had already appointed a disciplinary commission, which has the full power to take all decisions on behalf of the IOC.

IOC spokesman Mark Adams said what we want to do, and are trying to do, is target athletes who have positive results and stop them from competing in Rio.

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