Ketoconazole an inhibitor of the cytochrome P-450 dependent testosterone biosynthesis.
D000726:Androgen Antagonists / Q000494:pharmacology*; D000818:Animals; D003577:Cytochrome P-450 Enzyme System / Q000378:metabolism*; D006801:Humans; D007654:Ketoconazole / Q000494:pharmacology*; D008297:Male; D051381:Rats; D013737:Testis / Q000187:drug effects* / Q000378:metabolism; D013739:Testosterone / Q000096:biosynthesis*
D000726:Androgen Antagonists; D013739:Testosterone; D003577:Cytochrome P-450 Enzyme System; D007654:Ketoconazole