3 citations
,
July 2021 in “Drug Testing and Analysis” 5α-reductase inhibitors can interfere with doping tests by masking banned substances.
21 citations
,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
July 2013 in “Edinburgh Research Archive (University of Edinburgh)” Dutasteride may reduce insulin sensitivity and increase body fat.
30 citations
,
June 2010 in “Endocrine Related Cancer” SRD5A1 is crucial in advanced prostate cancer, and blocking both SRD5A1 and SRD5A2 is more effective than targeting SRD5A2 alone.
January 2004 in “Pharmaceutical biotechnology” Finasteride effectively inhibits the enzyme steroid 5 alpha-reductase II.
215 citations
,
November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
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.
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.
17 citations
,
November 1997 in “Andrology” Finasteride effectively treats enlarged prostate and male baldness, improves symptoms of hirsutism in women, but doesn't work for acne, and may delay prostate cancer progression with few side effects.
3 citations
,
March 2016 in “Medicinal Chemistry Research” Scientists found out the structure of a human enzyme linked to prostate cancer and hair loss, which could help in designing drugs.
January 2008 in “Yearbook of Endocrinology” Dutasteride and finasteride can change semen and hormone levels in men.
3 citations
,
December 2000 in “International Journal of Cosmetic Science” The study created a new method to test drugs that affect hormone processing in skin.
42 citations
,
February 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” PNU 157706 is a more effective treatment than finasteride for conditions caused by DHT, like enlarged prostate and hair loss.
35 citations
,
October 2011 in “Medicine and science in sports and exercise” Muscles can make their own androgens, which may help muscle growth.
13 citations
,
August 1997 in “Steroids” Finasteride effectively lowers specific hormone levels, helping monitor treatment progress.
19 citations
,
May 2014 in “Molecules” Avicequinone C, a compound found in the Avicennia marina plant, can reduce hair loss by inhibiting a hormone linked to androgenic alopecia.
184 citations
,
January 2000 in “European Urology” Blocking the enzyme that turns testosterone into DHT can safely and effectively treat enlarged prostate.
11 citations
,
December 2010 in “The Journal of Urology” Taking oral testosterone with or without dutasteride increases testosterone levels and could be an effective treatment for low testosterone.
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.
8 citations
,
January 1991 in “European Urology” Finasteride lowers DHT levels and raises testosterone in a dose-dependent way.
237 citations
,
December 2001 in “Urology” Blocking the enzyme 5α-reductase can shrink the prostate and help treat enlarged prostate issues.
64 citations
,
June 1995 in “Steroids” Inhibitors of the enzyme 5 alpha-reductase could potentially treat disorders like prostate cancer and baldness.
May 2026 in “RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218” Post-Finasteride Syndrome causes lasting sexual, mood, and metabolic issues, needing personalized treatment and better informed consent.
November 2012 in “Endocrine Practice” Enzymes called 5α-reductases have many body functions and need more research to safely use inhibitors.
January 2002 in “Dialnet (Universidad de la Rioja)” Finasteride treatment makes the prostate look more like a healthy one.
February 2026 in “Toxicology Letters” MK-0773 is a moderate inhibitor of the SRD5A2 enzyme.
3 citations
,
April 2016 in “Research and reports in urology” The new saw palmetto extract effectively inhibits an enzyme linked to prostate enlargement and may be as good as standard treatments.
9 citations
,
August 2000 in “Journal of Periodontal Research” Finasteride reduces testosterone conversion, progesterone lessens this, and levamisole enhances finasteride's effect.
January 2005 in “Urologia Journal” 5αR inhibitors help slow early prostate cancer cell growth, suggesting combined treatments are needed.
2-Hydroxy-1,4-naphthoquinone is a strong 5α-reductase inhibitor.