Endorecherche, Inc.

Sylvain Chenard

Fernand Labrie

Shankar Mohan Singh

Sylvain Gauthier

Rock Breton

Yvon Frechette

Compounds having the structure or their salts: are used to treat or reduce le likelihood of acquiring androgen-dependent diseases, such as prostate cancer, benign prostatic hyperplasia, polycystic ovarian syndrome, acne, hirsutism, seborrhea, androgenic alopecia and male baldness. They can be formulated together with pharmaceutically acceptable diluent or carrier or otherwise made into any pharmaceutical dosage form. Some of these compounds having tissue-specific antiandrogenic activity and tissue-specific androgenic activity can be used to treat or reduce the risk of developing diseases related to loss of androgenic stimulation. Combinations with other active pharmaceutical agents are also disclosed.

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Sainte-Foy, Canada

Sylvain Chenard