May 2026 in “Frontiers in Pharmacology” Long-term use of 5α-reductase inhibitors may improve survival in men with kidney cancer.
July 2012 in “The Journal of Urology” Testosterone increases muscle mass regardless of DHT conversion blocking.
Finasteride reduces prostate size and DHT in male mastomys but not in females.
January 2002 in “Medisch-Farmaceutische Mededelingen” Finasteride is not effective for older women with hair loss.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.
4 citations
,
September 2024 in “BMC Cancer” Adding dutasteride to therapy may improve treatment for advanced salivary duct cancer.
22 citations
,
October 2001 in “Biochemical Pharmacology” GI198745 is more potent and longer-lasting than finasteride, potentially better for treating hair loss.
11 citations
,
January 2000 in “The Journal of Steroid Biochemistry and Molecular Biology” LY320236 is a strong blocker of two enzymes that change testosterone into dihydrotestosterone and might help treat conditions related to male hormones.
8 citations
,
February 2010 in “Journal of Dermatology” A topical treatment safely and effectively reduced acne by causing targeted cell death in sebaceous glands without side effects.
1 citations
,
January 2002 in “PubMed” PM-9, like finasteride, may help treat certain diseases by blocking a key enzyme.
February 2020 in “Definitions” 5 Alpha-Reductase Inhibitors reduce the effects of testosterone by blocking its conversion into a stronger form.
10 citations
,
September 2015 in “Folia Histochemica Et Cytobiologica” Finasteride treatment in male rats can reduce fertility and affect sperm development in their offspring.
March 2026 in “Journal of Clinical Oncology” Using 5-α-reductase inhibitors before treatment improves outcomes for patients with metastatic renal cell carcinoma.
13 citations
,
July 2008 in “Biomedical Chromatography” The methods accurately measured brain androgens, showing most 5α-androstane-3α,17β-diol comes from outside the brain, while androsterone is both transported and made in the brain.
93 citations
,
September 2014 in “Diabetes” Lack of 5α-Reductase type 1 can lead to insulin resistance and liver problems.
32 citations
,
February 2024 in “Growth Hormone & IGF Research” Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.
25 citations
,
March 2004 in “Regulatory Toxicology and Pharmacology” Using testosterone-stimulated weanling rats can effectively replace castrated rats for anti-androgen testing, reducing animal stress.
2 citations
,
January 2025 in “Frontiers in Pharmacology” Purple corn extract may help reduce prostate enlargement and inflammation.
2 citations
,
March 2012 in “Nature Reviews Endocrinology” The body's change of testosterone into DHT is not necessary for testosterone's muscle and sexual effects.
21 citations
,
January 2010 in “JOURNAL OF HEALTH SCIENCE” Abietic acid from pine resin can effectively inhibit testosterone 5α-reductase.
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.
15 citations
,
November 1983 in “British journal of dermatology/British journal of dermatology, Supplement” Testosterone increases hamster hair growth; cyproterone acetate reduces it.
83 citations
,
October 2012 in “International Journal of Oncology” Wedelolactone selectively kills prostate cancer cells without harming normal cells.
38 citations
,
January 2002 in “Biological & Pharmaceutical Bulletin” Lygodii Spora extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
January 2026 in “Biomacromolecules” A new method using nanolipogels with fucosterol can help regrow hair by targeting follicles, reducing inflammation, and improving blood flow.
12 citations
,
March 2004 in “Der Urologe” There is no strong evidence that chemopreventive agents effectively prevent prostate cancer.
July 2024 in “Age and Ageing” Men taking dutasteride may have a higher risk of age-related macular degeneration.
11 citations
,
January 1991 in “Urology” New hormonal treatments for enlarged prostate show promise for safer, effective non-surgical options.
10 citations
,
October 2018 in “Sexual medicine reviews” Men using hair loss drugs like finasteride may experience sexual side effects like erectile dysfunction, but it's unclear who will be affected and when. Treating depression and sexual symptoms is suggested, as these men often have higher rates of both. More research is needed to understand why these side effects occur.
55 citations
,
June 2012 in “Steroids” Testosterone affects vascular cells directly without converting to estradiol.