36 citations
,
November 2020 in “Journal of The European Academy of Dermatology and Venereology” 5-alpha-reductase inhibitors may reduce COVID-19 symptoms in bald males.
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.
34 citations
,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
33 citations
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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.
28 citations
,
May 2018 in “Scientific reports” Exercise improves insulin sensitivity and hormone regulation in PCOS rats.
27 citations
,
January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
27 citations
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May 2015 in “Neuropharmacology” Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
27 citations
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April 2011 in “Folia Histochemica et Cytobiologica” DHT deficiency can disrupt cell connections in rat testes, possibly affecting fertility.
20 citations
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March 2005 in “Current Medicinal Chemistry” New compounds show promise for treating hair loss, enlarged prostate, and prostate cancer, with some being more effective and having different side effects than current treatments.
18 citations
,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
17 citations
,
December 2018 in “The World Journal of Men s Health” Long-term use of dutasteride can cause permanent erectile dysfunction in rats.
15 citations
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January 2017 in “Experimental Neurology” Finasteride reduces movement issues in Parkinson's disease rats.
13 citations
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January 2017 in “Chemical & Pharmaceutical Bulletin” Certain compounds, especially those with a propionic substituent, could potentially be new treatments for hair loss and similar disorders.
13 citations
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August 1995 in “The Journal of Steroid Biochemistry and Molecular Biology” The activity of a specific rat enzyme in the prostate and epididymis is highly dependent on the acidity level.
11 citations
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August 2014 in “Current Urology Reports” Medications for enlarged prostate can cause sexual side effects like reduced libido, erectile dysfunction, and ejaculatory problems.
10 citations
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January 2017 in “Journal of Evidence-Based Complementary & Alternative Medicine” Some vegetables from Northern Thailand show promise for health benefits, including hair loss treatment and antioxidant properties.
9 citations
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October 1993 in “The Journal of Clinical Pharmacology” Finasteride doesn't affect antipyrine metabolism, so interactions with cytochrome P-450 enzyme drugs are unlikely.
7 citations
,
July 2018 in “Biological & Pharmaceutical Bulletin” Phyllanthus urinaria extract may help treat hair loss by blocking a hair-related enzyme.
6 citations
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May 2020 in “JAMA Ophthalmology” Using 5-alpha-reductase inhibitors, drugs for prostate issues and hair loss, may lead to eye abnormalities in men.
4 citations
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June 2015 in “Journal of Genetics/Journal of genetics” Genetic differences within ethnic groups may affect prostate cancer treatment effectiveness.
4 citations
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September 2010 in “Medical Hypotheses”
3 citations
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March 2018 in “European Urology Supplements” Using 5-alpha-reductase inhibitors may improve bladder cancer survival in men.
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.
2 citations
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April 2017 in “European Urology” Using finasteride for hair loss or prostate issues does not significantly raise the risk of erectile dysfunction.
1 citations
,
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
,
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.
May 2026 in “Frontiers in Pharmacology” Long-term use of 5α-reductase inhibitors may improve survival in men with kidney cancer.
December 2025 in “International Neurourology Journal” Alpha-blockers and 5-alpha reductase inhibitors don't significantly increase dementia risk.