January 2026 in “Open Science Framework” Oral and topical 5-alpha reductase inhibitors affect DHT levels and hair density differently in treating hair loss.
Teak leaf extract can help treat hair loss, and its effectiveness varies by geographic origin.
September 2024 in “Chemico-Biological Interactions” Finasteride improves heart function in obese and aging male rats by reducing oxidative stress and p53 protein levels.
May 2024 in “Scientific African” Three natural compounds from Ghanaian plants may help treat BPH and alopecia.
Solanum nigrum may help treat hair loss.
January 2018 in “Surgical and Cosmetic Dermatology” Finasteride and dutasteride are effective for male hair loss and enlarged prostate but may cause reversible sexual side effects.
48 citations
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February 2006 in “Molecular and Cellular Endocrinology” 5α-reductase inhibitors may reduce male fertility and could be used for male contraception.
April 2005 in “The Journal of urology/The journal of urology” Dutasteride may help treat prostate cancer by causing cancer cells to shrink and die.
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.
1 citations
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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.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
6 citations
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August 2021 in “Clinical Epidemiology” Men using 5-alpha reductase inhibitors for prostate issues may have a slightly higher risk of blood clots.
June 2026 in “Pharmaceuticals” 5α-Reductase inhibitors, like finasteride, can cause serious, persistent side effects not always listed in official drug information.
September 2024 in “Frontiers in Neuroendocrinology” 5-alpha reductase inhibitors may help protect the brain and gut in Parkinson's disease.
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.
37 citations
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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.
13 citations
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February 2022 in “JAMA Dermatology” Dutasteride is the most effective hair loss treatment after 24 weeks, but finasteride leads to the most hair growth after 48 weeks.
June 2025 in “Pharmaceuticals” Finasteride use may increase suicidality risk, especially in young men.
30 citations
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June 2010 in “Endocrine Related Cancer” SRD5A1 is crucial in advanced prostate cancer, and blocking both SRD5A1 and SRD5A2 is more effective than targeting SRD5A2 alone.
6 citations
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July 2024 in “Heliyon” Steroid 5α-reductase evolved from protists and diversified in eukaryotes, with specific roles in mammals and plants.
4 citations
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September 2006 in “European Urology Supplements” Dutasteride reduces DHT and improves BPH symptoms more effectively than finasteride.
34 citations
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July 1993 in “PubMed” 1 citations
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July 2022 in “Frontiers in Pharmacology” Dutasteride may help protect neurons and reduce inflammation in Parkinson's disease.
September 2022 in “Annals of medicine and surgery” Three siblings with a rare genetic condition had abnormal sexual development and chose different gender identities, needing surgery and therapy.
December 2023 in “International Journal of Molecular Sciences” Men with early balding showed higher levels of certain genes linked to hair loss and possibly prostate cancer.
408 citations
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May 2004 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dutasteride more effectively lowers DHT levels in men with enlarged prostates than finasteride.
1 citations
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October 2025 in “EBioMedicine” Women have a higher DHT/testosterone ratio than men, possibly due to gut bacteria activity.
1 citations
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February 2023 in “Plants” BB4CMU rice bran oil may help treat hair loss and gray hair.
3 citations
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June 2017 in “Reproductive biomedicine online” A certain mutation in the fetal alpha 5-reductase gene is linked to a higher risk of late miscarriage.
August 2024 in “Journal of Personalized Medicine” Tamsulosin increases the risk of floppy iris during eye surgery.