October 2015 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” This study observed smaller reductions in PSA levels in men under 40 taking finasteride 1mg/day compared to older age groups, without changes in testosterone levels.
12 citations
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February 2003 in “European Urology Supplements” Dutasteride reduces DHT more effectively than finasteride.
4 citations
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May 2013 in “Canadian Urological Association Journal” This study found that finasteride reduced prostate cancer incidence by 30%, with no significant difference in Gleason scores compared to placebo after re-evaluation of pathology and extended follow-up.
72 citations
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October 1998 in “Baillière's clinical endocrinology and metabolism” This article discusses the potential effects of exogenous testosterone, highlighting that its impact on prostate cancer progression, cardiovascular health, and behavior remains uncertain and needs further investigation.
33 citations
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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.