50 citations
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March 2017 in “PeerJ” This study found that longer exposure to 5α-reductase inhibitors significantly increased the risk of persistent erectile dysfunction, especially in younger men exposed to finasteride.
17 citations
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December 2018 in “The World Journal of Men s Health” This study concluded that administering dutasteride for more than 8 weeks in rats could lead to irreversible erectile dysfunction, even after stopping the medication.
April 2012 in “The Journal of Urology” In this study, men using Propecia for alopecia showed normal erectile hemodynamics despite erectile dysfunction after stopping 5-alpha reductase inhibitors, while some BPH patients exhibited abnormal results potentially linked to vascular risk factors.
223 citations
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December 2010 in “The Journal of Sexual Medicine” This review discusses persistent adverse effects of 5α‐reductase inhibitors, like diminished libido and erectile dysfunction, in some patients and highlights the need for patient discussions before therapy, especially for androgenetic alopecia.
June 2018 in “The Journal of Sexual Medicine” This study used high-resolution ultrasound to investigate the pathophysiology of persistent erectile dysfunction in young men who used the drug finasteride, observing differences in erectile tissue homogeneity compared to control subjects without finasteride exposure.