Finasteride reduces prostate cancer risk but may increase high-grade tumors; new drugs and better diagnosis are in development, but funding and industry commitment are challenges.
111 citations
,
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.
13 citations
,
January 2005 in “Chemical and Pharmaceutical Bulletin” Smaller substituents at C-17 enhance the inhibitory activity of progesterone derivatives on 5alpha-reductase.
2 citations
,
December 2004 in “PubMed”
17 citations
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May 1998 in “Steroids” Researchers developed a model to predict how well certain compounds can block an enzyme related to hair loss and prostate issues, suggesting a 50 mg dose of finasteride might be effective based on lab and body data.
3 citations
,
June 2018 in “Bioorganic & medicinal chemistry” Compounds 4, 4b, and 4c effectively inhibit an enzyme linked to testosterone conversion without significant toxicity.
14 citations
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June 2011 in “Steroids” New compounds may help treat prostate issues without affecting androgen receptors.
May 2023 in “Acta Oncologica” 5α-reductase inhibitors do not improve survival in oesophageal and gastric cancer patients.
5 citations
,
November 2020 in “medRxiv (Cold Spring Harbor Laboratory)” 5-Alpha-Reductase inhibitors shorten COVID-19 recovery time in men.
19 citations
,
June 2010 in “Journal of acupuncture and meridian studies” A plant extract was found to effectively block an enzyme related to male hormone-related diseases.
July 2025 in “Journal of Investigative Dermatology” August 2024 in “Latin American Journal of Development” 5α-reductase enzymes are crucial in certain disorders, and while treatment advances exist, more research on SRD5A3 is needed.
19 citations
,
March 2010 in “Steroids” Certain progesterone derivatives can inhibit enzymes and reduce androgenic activity, potentially affecting prostate growth.
1 citations
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April 2020 in “Journal of The American Academy of Dermatology” 5ARI treatment improves hair growth in older men with minimal side effects.
3 citations
,
October 2010 in “Wiley-VCH Verlag GmbH & Co. KGaA eBooks” Finasteride safely treats enlarged prostate and male-pattern baldness.
23 citations
,
September 2020 in “BMC Cancer” 5α-reductase inhibitors may lower the risk of death from bladder cancer.
9 citations
,
March 1991 in “Endocrinology” Using two drugs together, Flutamide and 4-MA, is more effective for blocking male hormones than using each one alone.
January 2002 in “Dialnet (Universidad de la Rioja)” Finasteride treatment makes the prostate look more like a healthy one.
3 citations
,
March 2018 in “European Urology Supplements” Using 5-alpha-reductase inhibitors may improve bladder cancer survival in men.
147 citations
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June 2011 in “New England journal of medicine/The New England journal of medicine” 5α-reductase inhibitors may prevent prostate cancer but could also raise the risk of more severe cancers.
March 2024 in “Journal of the American Academy of Dermatology” Taking medication for hair loss might cause sexual problems.
January 2016 in “Archivio italiano di urologia, andrologia” The document concludes that the risk of sexual side effects from 5-alpha-reductase inhibitors is low and often temporary, but more research is needed on potential permanent effects.
November 2017 in “JAMA internal medicine” Women also use 5α-reductase inhibitors, and their effects differ from men.
22 citations
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October 2001 in “Biochemical Pharmacology” GI198745 is more potent and longer-lasting than finasteride, potentially better for treating hair loss.
24 citations
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February 2007 in “Hormone and metabolic research” The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
93 citations
,
September 2014 in “Diabetes” Lack of 5α-Reductase type 1 can lead to insulin resistance and liver problems.
54 citations
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May 2015 in “Endocrinology” Manipulating 5α-reductase type 2 can affect liver fat production and glucocorticoid effects.
19 citations
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September 2013 in “Psychoneuroendocrinology” Blocking CYP17A1 enzyme may help improve certain brain function issues related to dopamine.
April 1992 in “Current opinion in therapeutic patents” New steroids were patented as effective for treating acne, hair loss, and other conditions related to hormones.
June 2026 in “Frontiers in Medicine” 5α-reductase inhibitors for hair loss can cause mild, reversible sexual side effects in some men.