Epristeride (ONO-9302) is a selective, specific and orally active uncompetitive inhibitor of human steroid 5 alpha-reductase isoform 2 . Epristeride has inhibitory effects for SR isoenzymes types 2 with K i value of 0.7-2 nM. Epristeride can be used for the research of prostatic hyperplasia and acne In Vitro Epristeride has inhibitory effects for SR isoenzymes types 2 (SR2) with K i values of 0.7-2 nM. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Form:Solid IC50& Target:Ki: 0.7-2 nM(SR2)