[3] Chlorodehydromethyltestosterone (Oral Turinabol), combining the chemical structures of clostebol and metandienone, was widely used in the East German state-sponsored doping program.

[5] In some countries, such as Italy, it is available without a prescription as a topical cream or spray for the treatment of (infected) skin wounds such as abrasions, erosions, fissures, burns and to help speed up the healing of the area.

[13] Tatís Jr, who had missed the entirety of the season due to a broken wrist, accepted the suspension while claiming that it was an inadvertent breach after taking a ringworm medication that he had failed to check the ingredients list for banned substances.

[19] Sinner was stripped of $325,000 in prize money and 400 ranking points earned at the Indian Wells Open, but wasn't suspended because an independent tribunal ruled that it was not intentional.

[18][19][20] In the U.S., clostebol is listed as a Schedule III controlled substance,[7] meaning the U.S. federal government considers it to have a potential for abuse as well as a currently accepted medical use.