195 citations
,
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.
186 citations
,
December 2011 in “Molecules” Three specific 4-azasteroid-2-oximes showed strong enzyme inhibition, but less than finasteride.
124 citations
,
January 1993 in “The Prostate” Finasteride effectively inhibits 5α reductase, while plant extracts like Permixon and Bazoton don't show significant results.
111 citations
,
August 2015 in “Reviews in Endocrine and Metabolic Disorders” 5α-reductase inhibitors may cause persistent sexual dysfunction and depression, needing more research on long-term effects.
100 citations
,
September 1999 in “British Journal of Dermatology” The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
76 citations
,
September 1992 in “Endocrinology” The human type II 5α-reductase gene has a specific structure important for understanding certain medical conditions.
75 citations
,
January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
72 citations
,
April 2008 in “The Journal of urology/The journal of urology” Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.
66 citations
,
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.
58 citations
,
March 2006 in “Current topics in medicinal chemistry” Dutasteride effectively treats benign prostatic hyperplasia and may reduce prostate cancer risk.
56 citations
,
April 1998 in “Steroids” Finasteride reduces hair loss and treats BPH without major hormone changes, but may cause sexual dysfunction.
53 citations
,
October 2011 in “Psychoneuroendocrinology” Finasteride may help improve certain brain function issues linked to dopamine.
49 citations
,
September 2015 in “Psychoneuroendocrinology” 5α-reductase affects dopamine receptors linked to sensorimotor gating, which may help understand disorders like schizophrenia.
48 citations
,
February 2006 in “Molecular and Cellular Endocrinology” 5α-reductase inhibitors may reduce male fertility and could be used for male contraception.
46 citations
,
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.
42 citations
,
August 2012 in “Psychoneuroendocrinology” Finasteride reduces certain behaviors caused by D1-like receptor agonists but not by D2-like receptor agonists in mice.
40 citations
,
March 2016 in “The Journal of Clinical Endocrinology & Metabolism” Young girls whose mothers have PCOS may have higher activity of a specific enzyme that could lead to developing PCOS later.
33 citations
,
April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
31 citations
,
January 2017 in “Advances in Experimental Medicine and Biology” Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.
24 citations
,
February 2012 in “Prostate cancer and prostatic diseases” 5α-reductase inhibitors help shrink the prostate, improve urinary symptoms, and may reduce prostate cancer risk.
24 citations
,
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.
23 citations
,
July 1993 in “Pharmacotherapy” Finasteride treats enlarged prostate and baldness, but may cause limited urinary improvement and sex-related side effects.
22 citations
,
November 2018 in “Breast Cancer Research and Treatment” The medications 5α-reductase inhibitors and spironolactone are generally safe for breast cancer patients on endocrine therapies and do not significantly increase breast cancer risk.
22 citations
,
February 2002 in “Planta Medica” Compounds from Angelica koreana roots, especially osthenol, could be effective for treating conditions like prostate disease and hair loss.
21 citations
,
January 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.
20 citations
,
February 2002 in “Expert Opinion on Therapeutic Patents” New research is needed to create better drugs that block the enzyme responsible for conditions like male baldness and prostate enlargement.
17 citations
,
June 1996 in “The Journal of Steroid Biochemistry and Molecular Biology” FCE 28260 is a stronger and longer-lasting inhibitor of 5α-reductase than finasteride, which may make it a better treatment for certain medical conditions.
16 citations
,
October 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Dutasteride may protect the brain in early Parkinson's disease.
16 citations
,
August 2014 in “Archives of Pharmacal Research” Special nanoparticles increased skin absorption of hair loss treatments with fewer side effects.
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.