25 citations
,
September 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride inhibits enzyme activity in rhesus macaques, suggesting they're useful for evaluating similar drugs.
39 citations
,
April 2018 in “Hormones” No consistent link between genotype and phenotype in 5-α-Reductase type 2 deficiency.
35 citations
,
June 2018 in “Urology” The review suggests younger men taking 1 mg finasteride report more side effects, including sexual, skin, metabolic, and psychological issues.
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.
33 citations
,
October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces hair growth and is safe for women with excessive hair.
29 citations
,
July 2012 in “The Journal of Sexual Medicine” Rats had lasting erectile problems after stopping a certain medication.
22 citations
,
August 2014 in “Clinical endocrinology” Taking finasteride for benign prostate hyperplasia may increase the risk of osteoporosis, especially at higher doses.
22 citations
,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
19 citations
,
October 2018 in “PLOS ONE” 5 alpha-reductase inhibitors can slightly improve symptoms of enlarged prostate but have a high risk of sexual side effects.
19 citations
,
January 2016 in “Annals of Dermatology” Dutasteride is safe and effective for treating hair loss, but may decrease libido.
9 citations
,
July 2011 in “The Journal of Sexual Medicine” Hair loss drugs like finasteride may cause lasting sexual and mood side effects, and more research is needed to understand these risks.
7 citations
,
January 2013 in “European Urology” 5-Alpha reductase inhibitors may prevent prostate cancer but are not widely used due to concerns about trial relevance and potential risks, and more research is needed to confirm long-term benefits.
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.
1 citations
,
November 2015 in “Cochrane library” 5-alpha-reductase inhibitors help treat urinary symptoms from an enlarged prostate.
Compounds in fluted pumpkin and African yam bean seed oils may help manage benign prostate hyperplasia.
June 2023 in “International journal of pharmaceutical quality assurance” Eclipta alba extract could be a promising natural treatment for hair loss.
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.
February 2021 in “International Journal of Science and Research (IJSR)” A higher testosterone/dihydrotestosterone ratio in PCOS patients may indicate worse metabolic health.
10 citations
,
May 2019 in “International Journal of Environmental Research and Public Health” Finasteride may cause kidney damage.
19 citations
,
May 2014 in “Molecules” Avicequinone C, a compound found in the Avicennia marina plant, can reduce hair loss by inhibiting a hormone linked to androgenic alopecia.
5 citations
,
January 2022 in “Clinical cancer investigation journal” Certain Dibenzo derivatives may help treat prostate cancer.
Teak leaf extract can help treat hair loss, and its effectiveness varies by geographic origin.
June 2025 in “Pharmaceuticals” Finasteride use may increase suicidality risk, especially in young men.
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.
12 citations
,
April 2020 in “Medical hypotheses” Men on 5-alpha-reductase inhibitors might have worse COVID-19 outcomes.
46 citations
,
March 2001 in “Journal of endocrinological investigation” 5α-reductase inhibitors, like finasteride and dutasteride, effectively treat BPH, male baldness, and hirsutism, with potential for acne and prostate cancer prevention.
28 citations
,
September 2000 in “Journal of Medicinal Chemistry” Benzo[c]quinolizin-3-ones are effective nonsteroidal inhibitors of human steroid 5α-reductase 1.
September 2024 in “Frontiers in Neuroendocrinology” 5-alpha reductase inhibitors may help protect the brain and gut 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.