June 2026 in “The Journal of Sexual Medicine” This study determined that men taking finasteride 1 mg/day exhibited significantly reduced sperm production and morphology compared to controls, although there were no notable changes in hormonal, sexual, or psychological function.
93 citations
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January 1996 in “Clinical Pharmacokinectics” Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.
28 citations
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January 2003 in “Urologic oncology” This review discusses the hormonal influences on prostate carcinogenesis and notes ongoing trials investigating whether finasteride could reduce prostate cancer incidence by inhibiting dihydrotestosterone synthesis, but it reports no new results.
February 2013 in “Americanae (AECID Library)” In this study, finasteride exposure in human prostatic cell lines did not affect cell proliferation but significantly reduced MMP activity and increased TIMP expression, potentially inhibiting tumor cell invasion and metastasis.
33 citations
,
January 2009 in “Journal of Cutaneous and Aesthetic Surgery” This study found no clear evidence that finasteride negatively affects erectile function, though it does cause a reduction in ejaculatory volume and has potential implications for prostate cancer risk.
125 citations
,
January 1999 in “Drugs” This study found that oral finasteride 1 mg/day promotes hair growth and prevents further hair loss in a significant proportion of men with male pattern hair loss over two years.
