 The medication was used to treat hypogonadism and eunuchoidism in males and for palliation of breast cancer in females.It was developed by Ciba Pharmaceutical Company.A study found that, measured by 17-ketosteroid excretion, 300 mg testosterone propionate in oil solution had a duration of 5 days, 300 mg testosterone propionate in aqueous suspension had a duration of 13 days, 353 mg testosterone cypionate in oil solution had a duration of 24 days, and 354 mg testosterone phenylacetate in aqueous suspension had a duration of 66 days.