33 citations
,
January 2016 in “Skin appendage disorders” The document concludes that sexual and psychiatric side effects from 5-alpha-reductase inhibitors are reported, but more high-quality research is needed to understand how often they occur.
22 citations
,
January 2001 in “Chemical & Pharmaceutical Bulletin” Some new progesterone derivatives are better at blocking testosterone conversion than a common drug.
August 2024 in “Research Square (Research Square)” Using 5-alpha reductase inhibitors may lower the risk of breast cancer in females.
37 citations
,
November 1995 in “Journal of Investigative Dermatology” Topical finasteride and flutamide reduce gland size and enzyme activity, with flutamide being more potent, potentially treating acne, seborrhea, hirsutism, and androgenic alopecia.
15 citations
,
January 2017 in “Experimental Neurology” Finasteride reduces movement issues in Parkinson's disease rats.
11 citations
,
August 2007 in “Bioorganic & Medicinal Chemistry Letters” Scientists made a chemical (compound 4e) that can be applied on skin to reduce oil production, which can help with acne, but it might cause skin sensitivity to light.
8 citations
,
October 1998 in “Comparative Biochemistry and Physiology Part C: Pharmacology, Toxicology and Endocrinology” Proscar (finasteride) blocks 5α-reductase in sea urchin ovaries and testes, suggesting potential treatment for androgen-related conditions.
July 2024 in “Biological and Pharmaceutical Bulletin” Licorice extract helps hair growth and may treat hair loss.
13 citations
,
November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.
1 citations
,
August 2004 in “Alternative & complementary therapies” Non-drug methods like diet, supplements, and aromatherapy can help manage hair loss and its emotional impact.
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.
11 citations
,
September 2008 in “European Journal of Drug Metabolism and Pharmacokinetics” Finasteride helps reduce pain and inflammation in animals.
4 citations
,
June 2015 in “Journal of Genetics/Journal of genetics” Genetic differences within ethnic groups may affect prostate cancer treatment effectiveness.
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.
7 citations
,
January 2018 in “Reproduction” Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
139 citations
,
December 2020 in “Cell Stem Cell” Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.
88 citations
,
January 2004 in “Journal of Neuroscience” Neurosteroids regulate synaptic inhibition in the spinal cord and may help manage spinal pain.
3 citations
,
March 2018 in “European Urology Supplements” Using 5-alpha-reductase inhibitors may improve bladder cancer survival in men.
4 citations
,
July 2015 in “Veterinary Dermatology” Two types of 5α-reductase are in dog skin, which might make dutasteride better than finasteride for treating dog hair loss.
3 citations
,
March 2005 in “The Journal of urology/The journal of urology” Dutasteride may help shrink prostate cancer tumors.
35 citations
,
April 2013 in “Sexual medicine reviews” 5-alpha reductase inhibitors slightly increase the risk of sexual and mood side effects, and breast growth in men.
26 citations
,
September 2018 in “Neurobiology of Disease” Finasteride and dutasteride reduce unwanted movements from Parkinson's disease treatment by normalizing certain brain signals.
1 citations
,
September 2025 in “Cureus” ChatGPT-5 can pass the endocrinology exam but isn't fully reliable for clinical decisions yet.
September 2025 in “Consilium Medicum” 5α-reductase inhibitors help manage symptoms of benign prostatic hyperplasia and may also prevent prostate cancer and treat hair loss.
3 citations
,
February 2021 in “Molecules” A new method was created to test the effectiveness of Dihydrotestosterone (DHT) inhibitors, like finasteride and dutasteride, in human and fish cells. The results showed fish cells are more sensitive to these treatments, and dutasteride works better than finasteride in all tested cells.
2 citations
,
September 2017 in “Archives of Medical Science” Finasteride affects offspring's antioxidant enzymes in epididymis, possibly disrupting sperm maturation.
January 2020 in “International Journal of Research in Pharmacy and Chemistry” A reliable method was created to measure dutasteride and related molecules in capsules.
29 citations
,
December 2017 in “Molecular therapy” Enzyme replacement therapy improved multiple symptoms of homocystinuria in mice.
February 2021 in “International Journal of Science and Research (IJSR)” A higher testosterone/dihydrotestosterone ratio in PCOS patients may indicate worse metabolic health.