Finasteride is a synthetic 4-azasteroid. It is a specific inhibitor of the enzyme steroid 5-α-reductase which is responsible for the conversion of testosterone into the potent androgen 5α-dihydrotestosterone.
Product Literature References
Finasteride: a clinical review
: G.J. Gormley; Biomed. Pharmacother. 49
, 319 (1995), Review, Abstract
Finasteride. A review of its potential in the treatment of benign prostatic hyperplasia
: D.H. Peters and E.M. Sorkin; Drugs 46
, 177 (1993), Review, Abstract