A systemic type I 5 alpha-reductase inhibitor is ineffective in the treatment of acne vulgaris.
Leyden J, Bergfeld W, Drake L, Dunlap F, Goldman MP, Gottlieb AB, Heffernan MP, Hickman JG, Hordinsky M, Jarrett M, Kang S, Lucky A, Peck G, Phillips T, Rapaport M, Roberts J, Savin R, Sawaya ME, Shalita A, Shavin J, Shaw JC, Stein L, Stewart D, Strauss J, Swinehart J, Swinyer L, Thiboutot D, Washenik K, Weinstein G, Whiting D, Pappas F, Sanchez M, Terranella L, Waldstreicher J.
Leyden J, et al. Among authors: bergfeld w.
J Am Acad Dermatol. 2004 Mar;50(3):443-7. doi: 10.1016/j.jaad.2003.07.021.
J Am Acad Dermatol. 2004.
PMID: 14988688
Clinical Trial.