33 citations
,
January 2016 in “Skin appendage disorders” The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.
February 2020 in “Definitions” 5 Alpha-Reductase Inhibitors reduce the effects of testosterone by blocking its conversion into a stronger form.
15 citations
,
October 2014 in “Hormone Molecular Biology and Clinical Investigation” Some hair loss and prostate drugs might increase the risk of diabetes and heart disease.
November 2011 in “Nature Clinical Practice Urology” 5ARIs effectively treat and manage BPH by reducing prostate size and symptoms.
12 citations
,
April 2020 in “Medical hypotheses” Men on 5-alpha-reductase inhibitors might have worse COVID-19 outcomes.
62 citations
,
January 2004 in “PubMed” 5alpha-reductase inhibitors like finasteride and dutasteride effectively treat BPH by reducing DHT, offering symptom relief and potential future uses.
April 2012 in “The Journal of Urology” Persistent ED in Propecia users is not due to abnormal blood flow.
April 2018 in “The Journal of Urology” Dutasteride use can lead to a stable decline in sexual function that is not affected by age or prostate size.
4 citations
,
September 2002 in “Der Urologe” Combination therapy is more effective for prostate volumes over 60 ml.
September 2004 in “Inpharma Weekly”
September 2022 in “PubMed” Entadfi, a mix of finasteride and tadalafil, is used for BPH.
57 citations
,
July 2016 in “The Journal of Sexual Medicine” 5α-reductase inhibitors increase the risk of sexual dysfunction, especially in men with enlarged prostate.
4 citations
,
August 2010 in “Acta Biologica Hungarica” New steroidal compounds moderately block an enzyme related to testosterone conversion, less effectively than finasteride.
18 citations
,
December 2005 in “Journal of Medicinal Chemistry” A brominated phenoxy compound effectively inhibits a human enzyme and shows potential for clinical use.
May 2026 in “RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218” Post-Finasteride Syndrome causes lasting sexual, mood, and metabolic issues, needing personalized treatment and better informed consent.
13 citations
,
December 2012 in “Canadian Urological Association Journal” 5ARIs like finasteride can help prevent prostate cancer and treat BPH, but guidelines should be updated to reflect this.
Dutasteride is more effective than finasteride for treating BPH without extra safety risks.
January 2018 in “Surgical and Cosmetic Dermatology” 5-alpha reductase inhibitors like finasteride and dutasteride are effective for treating enlarged prostate and male pattern hair loss.
20 citations
,
January 2003 in “Chemical and Pharmaceutical Bulletin” The new progesterone derivatives effectively inhibit 5α-reductase and bind to the androgen receptor.
18 citations
,
October 2010 in “Bioorganic & Medicinal Chemistry Letters” New hybrid compound found to effectively prevent hair loss.
March 2014 in “The Journal of Urology” Finasteride increases CD8+ T cells in BPH tissues.
20 citations
,
March 2005 in “Current Medicinal Chemistry” New compounds show promise for treating hair loss, enlarged prostate, and prostate cancer, with some being more effective and having different side effects than current treatments.
December 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” A new combination of tadalafil and finasteride improves drug performance and stability.
186 citations
,
December 2011 in “Molecules” Three specific 4-azasteroid-2-oximes showed strong enzyme inhibition, but less than finasteride.
5 citations
,
January 2001 in “Advances in protein chemistry” 5α-reductase inhibitors help treat disorders caused by DHT and have potential for future therapies.
17 citations
,
June 1996 in “The Journal of Steroid Biochemistry and Molecular Biology” FCE 28260 is a stronger and longer-lasting inhibitor of 5α-reductase than finasteride, which may make it a better treatment for certain medical conditions.
January 2017 in “The American Pharmacists Association eBooks” January 2017 in “The American Pharmacists Association eBooks”
42 citations
,
February 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” PNU 157706 is a more effective treatment than finasteride for conditions caused by DHT, like enlarged prostate and hair loss.
Canadian lawsuits involving 5-alpha-reductase inhibitors are related to persistent erectile dysfunction side effects, with no judgments against companies yet.