Turosteride is a selective 5 alpha-reductase inhibitor, with IC50 values of 55 and 53 nM for human and rat prostatic 5 alpha-reductases, respectively. Turosteride can reduce the prostate and seminal vesicle weights[1].
References
[1] Di Salle E, et al. Endocrine properties of the testosterone 5 alpha-reductase inhibitor turosteride (FCE 26073). J Steroid Biochem Mol Biol. 1994 Feb;48(2-3):241-8. DOI:10.1016/0960-0760(94)90151-1
