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.
2 citations
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March 2021 in “Reproduction” Finasteride may affect male fertility by interfering with specific sperm signaling.
75 citations
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November 1996 in “Fertility and Sterility” Finasteride effectively reduces hair growth in women with idiopathic hirsutism, but requires careful contraception during treatment.
13 citations
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January 2019 in “Endocrine journal” Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
195 citations
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February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
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July 1995 in “Neurobiology of Aging” Finasteride affects prostate weights and pituitary activity differently with age.
The models can help find better inhibitors for conditions like baldness and prostate disorders.
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.
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November 2017 in “Archives of Dermatological Research” Higher enzyme levels found in women with hair loss, suggesting hormone imbalance.
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.
April 2017 in “Austin Journal of Cancer and Clinical Research” 5α-reductase inhibitors like Finasteride and Dutasteride may help manage prostate cancer by blocking testosterone conversion.
124 citations
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January 1993 in “The Prostate” Finasteride effectively inhibits 5α reductase, while plant extracts like Permixon and Bazoton don't show significant results.
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May 2011 in “Phytotherapy Research” Ginseng, especially red ginseng, may help regrow hair and block a hair loss-related enzyme.
28 citations
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May 2018 in “Scientific reports” Exercise improves insulin sensitivity and hormone regulation in PCOS rats.
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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.
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March 2015 in “Journal of Endocrinological Investigation” Taking both finasteride and dutasteride for prostate issues may raise the risk of heart problems.
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January 2022 in “Clinical cancer investigation journal” Certain Dibenzo derivatives may help treat prostate cancer.
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September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
11 citations
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May 1996 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The main enzyme found in pubic skin that could be targeted to treat excessive hair growth is 5 alpha-R2.
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August 1996 in “The Journal of Clinical Endocrinology and Metabolism” MK-386 and finasteride together effectively reduce DHT levels, potentially treating acne and male pattern baldness.
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August 2010 in “Acta Biologica Hungarica” New steroidal compounds moderately block an enzyme related to testosterone conversion, less effectively than finasteride.
3 citations
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July 2021 in “Drug Testing and Analysis” 5α-reductase inhibitors can interfere with doping tests by masking banned substances.
28 citations
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May 1986 in “Clinics in endocrinology and metabolism” New compounds may soon be tested to treat excessive hair growth in women.
17 citations
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October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
June 2023 in “International journal of pharmaceutical quality assurance” Eclipta alba extract could be a promising natural treatment for hair loss.
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July 1990 in “Teratology” Finasteride exposure in pregnancy causes genital abnormalities in male rats.
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August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
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March 1991 in “Endocrinology” Using two drugs together, Flutamide and 4-MA, is more effective for blocking male hormones than using each one alone.
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December 2025 in “Cureus” Using 5α-reductase inhibitors for hair loss may increase the risk of dry eye disease.