21 citations
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January 2010 in “JOURNAL OF HEALTH SCIENCE” Abietic acid from pine resin can effectively inhibit testosterone 5α-reductase.
17 citations
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December 2018 in “The World Journal of Men s Health” Long-term use of dutasteride can cause permanent erectile dysfunction in rats.
12 citations
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January 1998 in “Endocrine journal” Saw palmetto extract can block the enzyme that converts testosterone in pig prostate cells.
7 citations
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April 2019 in “The Journal of Steroid Biochemistry and Molecular Biology” 11α-Hydroxyprogesterone is changed into different substances by certain enzymes and may play a role in prostate cancer.
7 citations
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January 2018 in “Reproduction” Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
2 citations
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January 2025 in “Frontiers in Pharmacology” Purple corn extract may help reduce prostate enlargement and inflammation.
December 2025 in “Cureus” Using 5α-reductase inhibitors for hair loss may increase the risk of dry eye disease.
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.
August 2024 in “Research Square (Research Square)” Using 5-alpha reductase inhibitors may lower the risk of breast cancer in females.
July 2024 in “Biological and Pharmaceutical Bulletin” Licorice extract helps hair growth and may treat hair loss.
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.
January 2020 in “The Journal of Sexual Medicine” Using 5α-reductase inhibitors for hair loss can cause lasting sexual, physical, mental, and vascular health issues in men, even after stopping the medication.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Topical 5α-reductase inhibitor helps counteract hair loss and stabilize it.
98 citations
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April 1997 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride effectively blocks rat enzymes, but with varying methods and strength.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
8 citations
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June 1995 in “Helvetica Chimica Acta” Compound 15a was effective in inhibiting 5α-reductase.
93 citations
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February 2009 in “Annals of the New York Academy of Sciences” 5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.
27 citations
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May 2015 in “Neuropharmacology” Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
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.
June 2023 in “International journal of pharmaceutical quality assurance” Eclipta alba extract could be a promising natural treatment for hair loss.
11 citations
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January 2000 in “The Journal of Steroid Biochemistry and Molecular Biology” LY320236 is a strong blocker of two enzymes that change testosterone into dihydrotestosterone and might help treat conditions related to male hormones.
60 citations
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December 1998 in “Clinical Pharmacology & Therapeutics” Both drugs lower DHT levels, with GI198745 being more effective.
42 citations
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February 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” PNU 157706 is a more effective treatment than finasteride for conditions caused by DHT, like enlarged prostate and hair loss.
5 citations
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July 2021 in “Endocrinology, diabetes & metabolism” Glioblastoma cells can make androgens, which might help the tumor grow.
142 citations
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August 2007 in “Journal of The American Academy of Dermatology” New 5% minoxidil foam effectively promotes hair growth and is safe for use.
81 citations
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July 2008 in “The Journal of Clinical Endocrinology and Metabolism” Certain mutations in the H6PD gene cause Cortisone Reductase Deficiency by affecting hormone production.
47 citations
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January 2001 in “Journal of Investigative Dermatology” High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
38 citations
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January 2002 in “Biological & Pharmaceutical Bulletin” Lygodii Spora extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
34 citations
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February 1999 in “Journal of Dermatological Science” Minoxidil boosts enzymes that help hair growth.
34 citations
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February 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride and minoxidil together promote hair growth better than either alone.