By Madeline Coleman The 15-year-old ROC figure skater’s sample returned a result for the prohibited substance trimetazidine. The International Testing Agency (ITA) confirmed Russian Olympic Committee figure skater Kamila Valieva’s drug test results were positive for a banned substance. The sample was taken during the 2022 Russian Figure Skating Championships in Saint Petersburg, Russia, on December 25, and it “returned an Adverse Analytical Finding (AAF) for the non-specified prohibited substance trimetazidine.” The heart medication has been on the banned list since 2014. It is the same drug s…