45 citations
,
August 2010 in “Hormone Molecular Biology and Clinical Investigation” Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
75 citations
,
January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
16 citations
,
January 2010 in “Drug Metabolism and Pharmacokinetics” Finasteride's effect on hair loss and prostate enlargement depends on its binding to an enzyme, with maximum impact at 0.2 mg dose.
211 citations
,
November 1990 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride effectively treats BPH, but needs more trials to understand potential.
136 citations
,
March 1996 in “Journal of the American Chemical Society” Finasteride effectively blocks enzyme causing male pattern baldness.
41 citations
,
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.
34 citations
,
February 1999 in “Journal of Dermatological Science” Minoxidil boosts enzymes that help hair growth.
10 citations
,
October 2010 in “International Journal of Andrology” Finasteride doesn't affect oral testosterone undecanoate, and high DHT levels may cause acne, prostate issues, and hair loss.
3 citations
,
January 1994 in “Toxicological Sciences” Finasteride causes abnormal growth in male mice cells at high doses.
December 2025 in “Cureus” Using 5α-reductase inhibitors for hair loss may increase the risk of dry eye disease.
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.
11 citations
,
January 2017 in “Journal of Endocrinology/Journal of endocrinology” Female mice with disrupted 5α-reductase 1 had significant metabolic issues, including stress response problems, insulin resistance, liver fat buildup, and obesity.
98 citations
,
April 1997 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride effectively blocks rat enzymes, but with varying methods and strength.
72 citations
,
January 2011 in “Current Pharmaceutical Design” S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
32 citations
,
April 1999 in “Expert Opinion on Investigational Drugs” Finasteride effectively treats male hair loss, improving growth and density.
December 2023 in “Biointerface Research in Applied Chemistry” Stiripentol shows promise as a potential treatment for androgen-related diseases but needs more testing.
February 2021 in “International Journal of Science and Research (IJSR)” A higher testosterone/dihydrotestosterone ratio in PCOS patients may indicate worse metabolic health.
34 citations
,
February 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride and minoxidil together promote hair growth better than either alone.
83 citations
,
April 1992 in “Journal of Biological Chemistry” Four-amino acid part makes enzyme sensitive to finasteride.
17 citations
,
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.
7 citations
,
April 2015 in “General and Comparative Endocrinology” Finasteride negatively affects fish reproduction and gonadal development.
6 citations
,
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.
August 2024 in “Biomedical Journal of Scientific & Technical Research” Jute leaves may help reduce DHT levels, potentially aiding in conditions like hair loss and prostate issues.
47 citations
,
January 2001 in “Journal of Investigative Dermatology” High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
27 citations
,
May 2015 in “Neuropharmacology” Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
17 citations
,
December 2018 in “The World Journal of Men s Health” Long-term use of dutasteride can cause permanent erectile dysfunction in rats.
11 citations
,
May 2002 in “The Journal of Urology” Finasteride doesn't harm bone density in older men with BPH.
13 citations
,
November 2019 in “Scientific reports” Certain drugs change freshwater snail shells to a "banana" shape.
27 citations
,
January 2017 in “Neuropsychopharmacology” The enzyme 5α-reductase is key in causing psychotic-like effects from sleep deprivation.
71 citations
,
November 2012 in “Expert Opinion on Drug Safety” 5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.