90 citations
,
March 2017 in “JAMA Internal Medicine” In this study, older men using 5α-reductase inhibitors for prostatic enlargement did not show increased risk of suicide, but had elevated risks of self-harm and depression.
78 citations
,
December 2008 in “The Journal of Sexual Medicine” This review highlights that sexual dysfunction associated with 5-alpha-reductase inhibitors is recognized in clinical literature, with erectile dysfunction being the most common adverse effect, followed by ejaculatory dysfunction and decreased libido.
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.
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.
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.
50 citations
,
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.
37 citations
,
April 2008 in “The Cochrane library” This study concluded that five-alpha-reductase inhibitors may reduce prostate cancer risk but could increase the risk of high-grade prostate cancer in men regularly screened for the disease.
36 citations
,
November 2020 in “Journal of The European Academy of Dermatology and Venereology” This study found that 5-alpha-reductase inhibitors were associated with a reduced frequency of COVID-19 symptoms in males with androgenetic alopecia.
35 citations
,
May 2020 in “Frontiers in Pharmacology” This review provides a comprehensive overview of the mechanisms, efficacy, and adverse reactions of drugs commonly used for treating benign prostatic hyperplasia but reports no new clinical results.
31 citations
,
September 2008 in “International Journal of Andrology” This review examined studies on erectile dysfunction and 5 alpha-reductase inhibitors, concluding that these drugs do not significantly cause erectile dysfunction and emphasizing testosterone's importance over dihydrotestosterone in erectile function.
29 citations
,
September 2014 in “Current Opinion in Endocrinology, Diabetes and Obesity” This review discusses the efficacy and safety of 5-alpha reductase inhibitors for treating androgenetic alopecia, noting concerns about sexual side effects, which are typically uncommon and often resolve over time.
26 citations
,
December 2023 in “Prostate International” This review provides an overview of the risks and side effects associated with common medications used to treat benign prostatic hyperplasia, highlighting the importance for clinicians and patients to discuss these aspects for informed decision-making.
21 citations
,
October 2015 in “Current Drug Targets” This review discusses the comparative efficacy of dutasteride and finasteride for benign prostatic hyperplasia, reporting that while symptom improvements are similar, dutasteride may reduce prostate surgery risk and acute urinary retention more effectively.
20 citations
,
January 2016 in “Intractable & Rare Diseases Research” In this clinical experience, treating frontal fibrosing alopecia with oral finasteride, hydroxychloroquine, tacrolimus, and excimer laser was associated with optimal results in patients with active inflammation.
18 citations
,
June 2017 in “Journal of the neurological sciences” In this study, the use of 5 alpha reductase inhibitors was associated with an increased risk of dementia during the first two years of treatment, but the risk was not significant with longer exposure.
18 citations
,
November 2012 in “Current opinion in urology” This review discusses hormonal control and treatment options for benign prostatic hyperplasia, highlighting similar efficacy and safety between finasteride and dutasteride, and reports no clinical results; further studies are suggested for new therapeutic agents.
15 citations
,
July 2016 in “Urologic Clinics of North America” This study found that combining 5-alpha reductase inhibitors with alpha-blockers provided the best symptomatic relief and reduced the risk of clinical progression for BPH, while PDE5 inhibitors could offset sexual side effects.
14 citations
,
April 2019 in “International Journal of Women's Health” This review highlights current treatment options for frontal fibrosing alopecia, noting that 5-α-reductase inhibitors, intralesional steroids, and hydroxychloroquine have the highest evidence of effectiveness, while other therapies show variable results and need further research.
13 citations
,
November 2012 in “PubMed” This study found that in men with sexual dysfunction, use of 5ARI may reduce sexual drive and spontaneous erections without worsening pre-existing erectile or ejaculatory issues.
8 citations
,
October 2018 in “Journal of The American Academy of Dermatology” This study evaluated treatments for frontal fibrosing alopecia and found hydroxychloroquine and 5a-reductase inhibitors to be most effective, with 70-72% of patients experiencing stabilization or improvement, but limitations in treatment consistency and assessment methods remain.
8 citations
,
January 2017 in “Fertility and Sterility” This article reviews the impact of aging and related urologic conditions on male fertility, highlighting the effects of various treatments on sperm parameters and recommending pre-treatment counseling for fertility preservation. It reports no new clinical results.
6 citations
,
March 2015 in “Journal of Endocrinological Investigation” This study suggests that using both finasteride and dutasteride may increase the risk of acute coronary syndrome in patients with benign prostate hyperplasia.
5 citations
,
November 2020 in “medRxiv (Cold Spring Harbor Laboratory)” In this study, the authors reported that dutasteride significantly reduced total remission time for COVID-19 symptoms in men compared to placebo, especially for fatigue and loss of taste or smell.
4 citations
,
April 2020 in “medRxiv (Cold Spring Harbor Laboratory)” This case-control study from Lombardy, Italy, observed that men over 55 taking 5-alpha reductase inhibitors for benign prostatic hyperplasia were hospitalized for COVID-19 at a lower rate than age-matched controls, suggesting potential protective effects against severe disease.
2 citations
,
October 2021 in “Asian Journal of Andrology” This meta-analysis reported that the use of 5α-reductase inhibitors significantly increased the risk of postfinasteride syndrome-like adverse effects in men treated for benign prostatic hyperplasia or androgenetic alopecia.
In this observational study, dutasteride treatment was associated with statistically significant stabilization of frontal fibrosing alopecia compared to other systemic therapies, with a dose-dependent effect observed across the frontal and bilateral temporal hairlines.
2 citations
,
February 2007 in “PubMed” This study found that patients on dutasteride had $20.50 lower monthly medical costs compared to those on finasteride.
1 citations
,
June 2021 in “Singapore Medical Journal” This study suggests that type I 5-alpha reductase may also play a role in hair growth, with dutasteride potentially being more potent than finasteride in modulating key hair growth gene expressions.
1 citations
,
April 2019 in “Clinical Breast Cancer” This study found that in men with benign prostatic hyperplasia, 5-alpha reductase inhibitors significantly increased the risk of gynecomastia and breast tenderness compared to placebo or alpha-blockers.
1 citations
,
November 2015 in “Cochrane library” This protocol outlines a planned Cochrane Review to evaluate the effects of 5-alpha-reductase inhibitors on lower urinary tract symptoms caused by benign prostatic obstruction, and it reports no new findings.