18 citations
,
October 2017 in “Drug Design Development and Therapy” The study found that finasteride increased endoplasmic reticulum stress and reduced fertility in rats, effects that were alleviated by the administration of DA-9401.
176 citations
,
June 2017 in “Sexual Medicine Reviews” This review discusses the increasing prevalence of erectile dysfunction in young men and emphasizes the importance of identifying specific causes for effective management, reporting no new clinical results.
66 citations
,
April 2017 in “International Journal of Andrology” This study found that 5α-reductase inhibitors significantly increase the risk of erectile dysfunction and hypoactive sexual desire in men with benign prostatic hyperplasia, compared to placebo.
31 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” This review discusses the negative health impacts of testosterone deficiency and the potential adverse effects of 5α-reductase inhibitors, emphasizing the need for patient-physician discussions regarding these treatments.
30 citations
,
September 2016 in “BMJ” This study found that 5-α reductase inhibitors do not significantly increase the risk of erectile dysfunction in men with benign prostatic hyperplasia or alopecia, although duration of benign prostatic hyperplasia may elevate risk.
57 citations
,
July 2016 in “The Journal of Sexual Medicine” This study concluded that 5α-reductase inhibitors were linked to increased sexual dysfunction in men with benign prostatic hyperplasia, but not in men with androgenetic alopecia.
43 citations
,
January 2016 in “International Journal of Andrology” This study found that men experiencing long-term symptoms after finasteride use for androgenetic alopecia frequently reported loss of penis sensitivity and anhedonia, among other effects, indicating potential post-finasteride syndrome.
11 citations
,
October 2015 in “Dermatology and therapy” This study found that finasteride use for androgenetic alopecia was not associated with increased sexual dysfunction compared to an age-matched control group.
20 citations
,
June 2015 in “Hormone Molecular Biology and Clinical Investigation” This study found that long-term finasteride therapy in men with BPH worsened erectile dysfunction and reduced testosterone levels, while these effects were not observed with tamsulosin.
10 citations
,
December 2014 in “PubMed” This review examines reports of prolonged sexual dysfunction and depression associated with finasteride for male pattern hair loss, concluding that significant biases exist and further rigorous trials are needed to assess risks.
36 citations
,
June 2014 in “PLOS ONE” This study found that men with persistent sexual side effects after using finasteride for androgenetic alopecia had higher androgen receptor expression in certain tissues compared to those who never used the drug.
81 citations
,
June 2014 in “American Journal of Men's Health” This study highlights that adverse effects from finasteride may persist in men after discontinuation, indicating a potential "post-finasteride syndrome.
75 citations
,
January 2014 in “Korean Journal of Urology” This review discusses the adverse effects of 5α-reductase inhibitors, finasteride and dutasteride, on sexual, psychological, and vascular health, emphasizing the need for physicians to inform patients of these risks.
24 citations
,
December 2013 in “Sexual medicine reviews” This review discusses persistent sexual and nonsexual adverse effects of the 5α-reductase inhibitor finasteride in younger men, including erectile dysfunction, low libido, and depression. It reports no new clinical results but emphasizes further research is needed.
2152 citations
,
November 2013 in “Urologia Internationalis” This study reviews the significant prevalence of organic etiologies, especially vascular causes, in erectile dysfunction among men under 40 and emphasizes thorough evaluation and consideration of treatment options like exercise and PDE-5 inhibitors.
34 citations
,
September 2013 in “Urology” Long-term use of a certain medication can worsen erectile function in aged rats by damaging penile muscle cells.
27 citations
,
June 2013 in “Alcoholism: Clinical and Experimental Research” In this study, 65% of men with persistent sexual side effects after stopping finasteride reported a reduction in alcohol consumption, echoing findings in rodent models.
71 citations
,
November 2012 in “Expert Opinion on Drug Safety” This article reviews the reported sexual and psychological side effects of 5-alpha reductase inhibitors for benign prostatic hyperplasia, emphasizing the need for further clinical studies.
44 citations
,
July 2012 in “Endocrine Practice” This review highlights the need for a deeper understanding of 5alpha-reductases and neuroactive steroids to reduce potential adverse effects of 5alpha-reductase inhibitors used for conditions like benign prostatic hyperplasia and androgenic alopecia, but reports no new clinical results.
25 citations
,
February 2012 in “The Journal of Sexual Medicine” In this study, oral finasteride treatment for four weeks reduced the weight of the corpus cavernosum in rats but did not significantly affect erectile function.
185 citations
,
March 2011 in “The Journal of Sexual Medicine” This study found that 94% of healthy men reported low libido and 92% reported erectile dysfunction as persistent sexual side effects after using finasteride for male pattern hair loss, with these effects lasting on average 40 months post-discontinuation.
223 citations
,
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.
45 citations
,
August 2010 in “Hormone Molecular Biology and Clinical Investigation” This study found that SRD5a-3 is a highly efficient enzyme for converting hormones into androgens, with dutasteride being a much more potent inhibitor of SRD5a-3 than SRD5a-2.
225 citations
,
July 2007 in “The Journal of Sexual Medicine” In this study, patients informed about finasteride's potential sexual side effects reported a significantly higher occurrence of these side effects, suggesting a nocebo effect.
195 citations
,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” In this study, administering 5alpha-reductase inhibitors reduced dihydrotestosterone levels and was associated with mild, reversible decreases in semen parameters in healthy men.
215 citations
,
November 2006 in “Journal of The American Academy of Dermatology” This study found that dutasteride increased scalp hair growth in men with male pattern hair loss, particularly at a 2.5 mg dose, and was more effective than finasteride over 24 weeks.
193 citations
,
August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” This study found that the prevalence of androgenetic alopecia increases with age among both men and women in Maryborough, Australia, with 57% of women and 73.5% of men aged 80 and over affected.
155 citations
,
December 2003 in “British Journal of Dermatology” In this study, the researchers did not confirm previously reported links between AGA and smoking or benign prostatic hypertrophy, but found potential associations with alcohol consumption and lean body mass at age 21 that merit further investigation.
