15 citations
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January 1998 in “Journal of Clinical Periodontology” Finasteride helps treat hair loss by blocking enzyme activity.
Baicalin may effectively treat hair loss by inhibiting 5α-reductase.
18 citations
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January 2002 in “Chemical & pharmaceutical bulletin/Chemical and pharmaceutical bulletin” New pregnane derivatives were more effective than finasteride at inhibiting a key enzyme for male pattern baldness.
35 citations
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November 1989 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” Epitestosterone may act as a weak antiandrogen and can inhibit an enzyme involved in testosterone metabolism.
193 citations
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August 1985 in “Endocrinology” Different animals have unique versions of the enzyme that changes testosterone into another hormone, which is important for creating effective treatments for prostate and hair loss conditions.
110 citations
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August 2015 in “Neuropsychopharmacology” High-dose dutasteride reduces PMDD symptoms by stabilizing neurosteroid levels.
January 2018 in “Journal of Food Biosciences and Technology” Garlic and fenugreek may help treat hair loss.
37 citations
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January 2015 in “Evidence-based Complementary and Alternative Medicine” An extract from Quercus acutissima bark was found to reduce sebum production and block an enzyme linked to acne.
6 citations
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January 1996 in “Endocrine-related Cancer” Combining flutamide and finasteride can reduce prostate weight and tumor growth, potentially benefiting treatments needing optimal DHT inhibition.
January 2004 in “Data Archiving and Networked Services (DANS)” Finasteride blocks progesterone's effect on brain activity linked to epilepsy.
January 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity”
1 citations
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August 2002 in “Zeitschrift für Hautkrankheiten” Male androgenetic alopecia involves hair follicle miniaturization due to DHT, with potential treatments using inhibitors and blockers.
22 citations
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August 2011 in “Journal of Supercritical Fluids” Rice bran extract might help prevent hair loss.
13 citations
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July 2008 in “Biomedical Chromatography” The methods accurately measured brain androgens, showing most 5α-androstane-3α,17β-diol comes from outside the brain, while androsterone is both transported and made in the brain.
12 citations
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March 2010 in “Asian Journal of Animal and Veterinary Advances” Young and adult hamsters both respond similarly to testosterone and finasteride treatments, but young hamsters aren't good for testing the inhibitory activity of a specific enzyme.
February 2026 in “NeuroSci” Finasteride and dutasteride may cause depression and anxiety, especially in younger men.
December 2023 in “Research Square (Research Square)” 12-Methoxy carnosic acid from rosemary might be a good natural treatment for hair loss.
December 2025 in “International Journal of Innovative Technologies in Social Science” Effective treatments for hair loss include minoxidil, 5α-reductase inhibitors, and personalized combination therapies.
51 citations
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July 2013 in “Brain Research” Testosterone needs to be converted to DHT to reduce stress response in male rats.
December 2022 in “Journal of applied biological chemistry” Betula platyphylla extract, particularly the H3-2 fraction, may help treat hair loss by promoting cell growth and inhibiting a hair loss-related enzyme.
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.
44 citations
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July 2012 in “Endocrine Practice” We need to learn more about 5α-reductases and neuroactive steroids to safely make drugs targeting these enzymes.
25 citations
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June 2002 in “Steroids” 4-azasteroids, including finasteride, can inhibit 5α-reductase, helping treat conditions like enlarged prostate and hair loss.
3 citations
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February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Tectona grandis leaves may help treat hair loss and inflammation.
24 citations
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June 2011 in “Andrologia” Ganoderma lucidum may help treat enlarged prostate in rats.
14 citations
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October 2015 in “Neurochemistry International” Letrozole may help prevent seizures by reducing certain hormone levels.
April 2018 in “The Journal of Urology” Phosphodiesterase inhibitors like tadalafil can reduce cell growth in BPH caused by CD8+ T cells in low androgen conditions.
March 2004 in “大韓韓醫學會誌 = Journal of Korean Oriental Medicine” The hair essence product promotes hair growth and prevents hair loss.
3 citations
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October 1994 in “Journal of Labelled Compounds and Radiopharmaceuticals” Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.