30 citations
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September 2016 in “BMJ” Taking 5-α reductase inhibitors for prostate enlargement or hair loss does not significantly raise the risk of erectile dysfunction.
13 citations
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January 2005 in “Chemical and Pharmaceutical Bulletin” Smaller substituents at C-17 enhance the inhibitory activity of progesterone derivatives on 5alpha-reductase.
11 citations
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September 2008 in “European Journal of Drug Metabolism and Pharmacokinetics” Finasteride helps reduce pain and inflammation in animals.
5 citations
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May 2020 in “Dermatologic Therapy” 5-alpha reductase inhibitors might worsen lung recovery in COVID-19 patients, suggesting a pause in their use.
March 2016 in “European Urology Supplements” Methylation in specific gene region causes finasteride resistance in some BPH patients.
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.
September 2025 in “Consilium Medicum” 5α-reductase inhibitors help manage symptoms of benign prostatic hyperplasia and may also prevent prostate cancer and treat hair loss.
124 citations
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September 1992 in “Endocrinology” The human type II 5α-reductase gene, linked to certain male health conditions, has a specific structure and low similarity to other related genes.
101 citations
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April 1994 in “Baillière's clinical endocrinology and metabolism” 5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.
57 citations
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July 2016 in “The Journal of Sexual Medicine” 5α-reductase inhibitors increase the risk of sexual dysfunction, especially in men with enlarged prostate.
46 citations
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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.
20 citations
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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.
28 citations
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August 2014 in “Cancer Causes & Control” Taking 5α-reductase inhibitors does not significantly increase the risk of breast cancer in men.
15 citations
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July 2016 in “Urologic Clinics of North America” Finasteride and dutasteride are effective for long-term treatment of enlarged prostates but have sexual side effects and a risk of high-grade prostate cancer.
7 citations
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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.
5 citations
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August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
3 citations
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March 2018 in “European Urology Supplements” Using 5-alpha-reductase inhibitors may improve bladder cancer survival in men.
August 2024 in “Research Square (Research Square)” Using 5-alpha reductase inhibitors may lower the risk of breast cancer in females.
January 2026 in “Frontiers in Natural Products” Combining shikimic acid and Prunus mume extract may effectively treat acne naturally.
50 citations
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August 1985 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” Spironolactone reduces the enzyme activity that converts testosterone to DHT, helping treat excessive hair growth in women.
45 citations
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February 2005 in “Steroids” Four new compounds were more effective than finasteride in treating prostate issues and hair loss, with one being 100 times more active and safe for use.
17 citations
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March 2020 in “Frontiers in Chemistry” Compounds from the plant Mammea siamensis may help treat hair loss.
13 citations
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November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.
6 citations
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August 2017 in “Physiological Research” Setipiprant may reduce inflammation by blocking an enzyme called aldose reductase.
1 citations
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July 2024 in “The International Journal of Medical Science and Health Research” 5α-reductase inhibitors may help with prostate cancer but could increase the risk of severe tumors, so careful use is advised.
1 citations
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October 2013 in “Our Dermatology Online” 5α reductase type 2 enzyme mutation and oxidative stress may increase androgenetic alopecia risk in Egyptians.
November 2017 in “JAMA internal medicine” Women also use 5α-reductase inhibitors, and their effects differ from men.
44 citations
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October 2010 in “BJUI” 5-α-reductase inhibitors reduce prostate cancer risk but may cause sexual dysfunction and don't affect high-grade tumor or death rates.
35 citations
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June 2018 in “Urology” The review suggests younger men taking 1 mg finasteride report more side effects, including sexual, skin, metabolic, and psychological issues.
4 citations
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March 2020 in “Journal of Cosmetic Dermatology” Plumbago zeylanica extract helps hair growth and reduces a hair loss-related enzyme.