May 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The enzyme 5α-reductase is important for proper blood vessel development during the fertility-related transformation of the uterus lining.
February 2026 in “Mendeley Data” Using 5-alpha reductase inhibitors may lower prostate cancer risk in people with androgenetic alopecia.
November 2025 in “Mendeley Data” Using 5-alpha reductase inhibitors may lower prostate cancer risk in people with androgenetic alopecia.
March 2020 in “StatPearls” Medicines called 5-alpha-reductase inhibitors, like finasteride and dutasteride, are useful for treating enlarged prostate and male pattern hair loss.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Topical 5α-reductase inhibitor helps counteract hair loss and stabilize it.
223 citations
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December 2010 in “The Journal of Sexual Medicine” Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.
111 citations
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August 2015 in “Reviews in Endocrine and Metabolic Disorders” 5α-reductase inhibitors may cause persistent sexual dysfunction and depression, needing more research on long-term effects.
40 citations
,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
24 citations
,
February 2012 in “Prostate cancer and prostatic diseases” 5α-reductase inhibitors help shrink the prostate, improve urinary symptoms, and may reduce prostate cancer risk.
19 citations
,
January 2016 in “Annals of Dermatology” Dutasteride is safe and effective for treating hair loss, but may decrease libido.
18 citations
,
June 2009 in “Journal of Molecular Endocrinology” Finasteride exposure harms tadpole reproduction and hormone balance.
15 citations
,
January 1998 in “Journal of Clinical Periodontology” Finasteride helps treat hair loss by blocking enzyme activity.
14 citations
,
April 2021 in “Biology” Thai rice bran extracts, especially from Tubtim Chumphae rice, can significantly reduce the activity of hair loss genes, with x-tocopherol showing potential as an anti-hair loss product.
12 citations
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November 2024 in “Plants” Phytosterols may help manage prostate issues but are less effective than synthetic drugs.
3 citations
,
April 2021 in “Journal of Medicinal Chemistry” Finasteride may affect PNMT, causing side effects.
1 citations
,
June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
1 citations
,
August 2015 in “Current Sexual Health Reports” 5α-reductase inhibitors can cause serious and possibly lasting sexual and psychological side effects.
August 2025 in “ACS Omega” New compounds show promise as nonsteroidal treatments for hair loss.
June 2023 in “Journal of personalized medicine” Androgen treatment with dihydrotestosterone may help maintain height in patients with 5-α-reductase type 2 deficiency, especially before puberty.
October 2022 in “Endocrine journal” Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
75 citations
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January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
33 citations
,
April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
31 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.
4 citations
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August 2021 in “Biomedicine & Pharmacotherapy” 5-alpha reductase inhibitors, like finasteride and dutasteride, may cause depression, but more research is needed to understand why.
4 citations
,
June 2015 in “Journal of Genetics/Journal of genetics” Genetic differences within ethnic groups may affect prostate cancer treatment effectiveness.
3 citations
,
January 2022 in “Precision medicine and clinical omics” Beta-sitosterol and stigmasterol might help prevent hair loss by blocking a specific enzyme.
2 citations
,
March 2018 in “Current Opinion in Urology” 5-alpha reductase inhibitors can cause sexual, neurologic, endocrine, and cardiovascular side effects, but these are rare and usually stop after ending treatment.
1 citations
,
February 2024 in “Pharmacognosy Journal” Fenugreek seed extract boosts testosterone and improves male reproductive health without heart side effects.
1 citations
,
April 2019 in “Clinical Breast Cancer” Medicines for enlarged prostate may raise the risk of breast growth and tenderness but not breast cancer.
72 citations
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April 2008 in “The Journal of urology/The journal of urology” Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.