In 1998, gold medalist Randy Barnes was tested positive for androstenedione (an over-the-counter supplement famously used by Mark McGwire), and was subsequently suspended from competition in the Olympic Games for life.
Because 11β-hydroxylase activity is not necessary in the production of sex steroids (androgens and estrogens), the hyperplastic adrenal cortex produces excessive amounts of DHEA, androstenedione, and especially testosterone.
In 1998, he tested positive for androstenedione, an over-the-counter supplement (famously used by Mark McGwire) that is banned in track and field.