124 citations
,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
67 citations
,
February 1997 in “Teratology” Finasteride, when given in high oral doses to pregnant monkeys, caused genital abnormalities in male fetuses, but not in female fetuses or those exposed to intravenous finasteride.
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.
38 citations
,
October 2014 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5-alpha reductase deficiency leads to male sexual development issues and treatments like finasteride help with prostate enlargement and hair loss.
37 citations
,
April 2008 in “The Cochrane library” 5-alpha-reductase inhibitors can lower prostate cancer risk but may increase high-grade tumors and cause sexual side effects.
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.
32 citations
,
July 2016 in “PubMed” 5-alpha reductase inhibitors are generally safe but can cause sexual side effects and require patient education on risks.
32 citations
,
May 2013 in “The Journal of Urology” Using finasteride or dutasteride does not increase the risk of male breast cancer.
20 citations
,
May 2018 in “The Journal of Urology” Men taking 5-alpha-reductase inhibitors before or after bladder cancer diagnosis had a lower risk of dying from the disease.
13 citations
,
June 2018 in “Current Urology Reports” Hair loss drugs may cause sexual issues and infertility in men.
13 citations
,
November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.
12 citations
,
April 2020 in “Medical hypotheses” Men on 5-alpha-reductase inhibitors might have worse COVID-19 outcomes.
6 citations
,
August 2021 in “Clinical Epidemiology” Men using 5-alpha reductase inhibitors for prostate issues may have a slightly higher risk of blood clots.
6 citations
,
January 2018 in “Pharmacoepidemiology and Drug Safety” Starting 5-alpha reductase inhibitors does not significantly increase the risk of rhabdomyolysis in older men, but is linked to a higher risk of muscle conditions.
2 citations
,
January 2017 in “Annals of Dermatology” Taking 5-alpha reductase inhibitors does not increase breast cancer risk in men.
1 citations
,
January 2012 in “Daehan namseong gwahag hoeji” Dutasteride is more effective than Finasteride in reducing prostate size and PSA levels, but both drugs have similar side effects.
November 2024 in “Journal of Family Medicine and Primary Care” 5 alpha reductase inhibitors can cause sexual, cognitive, and muscle side effects, and may slightly increase aggressive cancer risk.
September 2024 in “Frontiers in Neuroendocrinology” 5-alpha reductase inhibitors may help protect the brain and gut in Parkinson's disease.
December 2023 in “Alzheimer's & dementia” Finasteride may help reduce anxiety and depression in elderly but might cause depression in young men.
December 2023 in “Alzheimer's & Dementia” Long-term use of a drug for hair loss and prostate issues can cause metabolic problems and depression-like behavior in young male rats.
July 2023 in “Dermatology and Therapy” 5-Alpha Reductase Inhibitors are effective for male hair loss and some skin conditions, but their effectiveness in women and safety concerns require careful use.
June 2023 in “Journal of Cosmetic Dermatology” Finasteride 5mg daily is the most effective for female pattern hair loss, with higher doses of treatments generally more effective.
28 citations
,
August 2014 in “Cancer Causes & Control” Taking 5α-reductase inhibitors does not significantly increase the risk of breast cancer in men.
June 2025 in “Pharmaceuticals” Finasteride use may increase suicidality risk, especially in young men.
27 citations
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October 2001 in “Journal of Medicinal Chemistry” Researchers found new potential but less potent rat enzyme inhibitors using a 3D model.
10 citations
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January 2017 in “Journal of Evidence-Based Complementary & Alternative Medicine” Some vegetables from Northern Thailand show promise for health benefits, including hair loss treatment and antioxidant properties.
8 citations
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July 2021 in “F1000Research” Plant-based compounds might be a promising alternative for prostate cancer treatment with fewer side effects.
218 citations
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December 2011 in “Advances in Urology” The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
68 citations
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April 2002 in “Journal of Alternative and Complementary Medicine” Natural 5AR inhibitors effectively improve mild to moderate hair loss in men.
January 2022 in “Asian journal of Current Research in Clinical Cancer” Some dibenzo compounds might help treat cancer with fewer side effects.