64 citations
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June 1995 in “Steroids” Inhibitors of the enzyme 5 alpha-reductase could potentially treat disorders like prostate cancer and baldness.
34 citations
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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.
1 citations
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November 2002 in “Endocrine practice” The patient's high testosterone was reduced by a medication that suppresses gonadotropin.
237 citations
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December 2001 in “Urology” Blocking the enzyme 5α-reductase can shrink the prostate and help treat enlarged prostate issues.
1 citations
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August 2015 in “AACE Clinical Case Reports” A new gene mutation causes complete androgen insensitivity in a 16-year-old with a female appearance.
4 citations
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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.
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.
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January 1996 in “PubMed” 10 citations
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September 2015 in “Folia Histochemica Et Cytobiologica” Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.
1 citations
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December 2017 in “Research for Rural Development/Research for Rural Development (Online)” Neutered ferrets often develop hyperadrenocorticism, with symptoms like hair loss and lethargy, and androstenedione is a key indicator for diagnosis.
24 citations
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February 2007 in “Hormone and metabolic research” The substance MK386 effectively blocked testosterone conversion and reduced cell growth in certain skin cells, but inhibiting 5α-reductase alone may not greatly improve acne.
October 2017 in “The Journal of Urology” 5α-Reductase inhibitors can negatively impact sexual function.
3 citations
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October 1995 in “Southern Medical Journal” Finasteride may cause breast enlargement, low testosterone a risk factor.
1 citations
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November 2007 in “Neuro-chirurgie/Neurochirurgie” Cyproterone acetate is a safe treatment that causes modest feminization in transgender female adolescents, and works better with added estrogens.
December 2024 in “Naunyn-Schmiedeberg s Archives of Pharmacology”
15 citations
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January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
3 citations
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October 2011 in “JAT. Journal of applied toxicology/Journal of applied toxicology” Doxazosin mesylate and saw palmetto cause genetic changes in fruit flies.
5 citations
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June 2008 in “Acta Cirurgica Brasileira” Finasteride causes sperm production decrease in Mesocricetus auratus.
April 2019 in “Journal of the Endocrine Society” A woman's severe insulin resistance improved with treatment, but she still had high testosterone levels due to ovarian issues.
January 2013 in “Reproductive Biology”
66 citations
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April 2017 in “International Journal of Andrology” Men taking 5α-reductase inhibitors for enlarged prostate have a higher chance of experiencing reduced sexual desire and erectile dysfunction.
March 2014 in “The Journal of Urology” Long-term treatment with finasteride or combined therapy worsens sexual function in men with urinary issues.
2 citations
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September 2025 in “Frontiers in Endocrinology” SARMs show promise but need more evidence to prove they're better than traditional androgens.
October 2010 in “Journal of Men's Health” The conclusion is that doctors should be careful when prescribing 5α-reductase inhibitors due to possible serious side effects, and they should discuss these risks with patients.
5 citations
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February 1997 in “Bioorganic & Medicinal Chemistry” New compounds were made that effectively block a specific enzyme related to androgen conditions.
January 2020 in “Research Portal Denmark” A short male anogenital distance may indicate incomplete masculinization due to disrupted androgen action.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” AR-27 E-Chol siRNA can effectively promote hair regrowth for androgenetic alopecia.
August 2013 in “Circulation Research” Finasteride reduces heart enlargement and improves heart function.
February 2024 in “The Journal of Sexual Medicine” 5-α reductase inhibitors do not significantly affect male reproductive function but may reduce semen volume.
6 citations
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February 2009 in “Veterinární Medicína” Deslorelin effectively treats hair loss in neutered ferrets by reducing hormone levels.