35 citations,
June 2018 in “Urology” The review suggests younger men taking 1 mg finasteride report more side effects, including sexual, skin, metabolic, and psychological issues.
34 citations,
February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
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.
32 citations,
April 1999 in “Expert Opinion on Investigational Drugs” Finasteride effectively treats male hair loss, improving growth and density.
30 citations,
October 2020 in “Nature Communications” Finasteride irreversibly affects human steroid 5α-reductase 2, providing insight into its catalytic mechanism and disease-related mutations.
18 citations,
June 2009 in “Journal of Molecular Endocrinology” Finasteride exposure harms tadpole reproduction and hormone balance.
15 citations,
January 2017 in “Experimental Neurology” Finasteride reduces movement issues in Parkinson's disease rats.
6 citations,
January 2018 in “Pharmacoepidemiology and Drug Safety” Starting 5-alpha reductase inhibitors does not significantly increase the risk of rhabdomyolysis in older men, but is linked to a higher risk of muscle conditions.
5 citations,
May 2020 in “Dermatologic Therapy” 5-alpha reductase inhibitors might worsen lung recovery in COVID-19 patients, suggesting a pause in their use.
4 citations,
December 2019 in “Minerva Urology and Nephrology” 5-alpha reductase inhibitors may reduce bladder cancer recurrence and improve survival.
2 citations,
May 2019 in “PubMed” Oral finasteride and dutasteride may negatively affect erectile function in rats.
1 citations,
September 2016 in “Actas Dermo-Sifiliográficas” 5-alpha reductase inhibitors may cause sexual side effects, breast complications, and other health risks in men with hair loss.
44 citations,
January 2007 in “Biological & pharmaceutical bulletin” Black pepper leaf extract contains compounds that can block testosterone effects and promote hair growth.
13 citations,
August 1995 in “The Journal of Steroid Biochemistry and Molecular Biology” The activity of a specific rat enzyme in the prostate and epididymis is highly dependent on the acidity level.
4 citations,
January 2011 in “Medical Hypotheses” 37 citations,
April 2019 in “Journal of The American Academy of Dermatology” Some treatments like intralesional steroids and 5α-reductase inhibitors are effective for frontal fibrosing alopecia, but more research is needed.
408 citations,
May 2004 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dutasteride more effectively lowers DHT levels in men with enlarged prostates than finasteride.
19 citations,
June 2010 in “Journal of acupuncture and meridian studies” A plant extract was found to effectively block an enzyme related to male hormone-related diseases.
1 citations,
April 2022 in “Applied sciences” Bitter melon extract may help prevent hair loss and can be used in cosmetic products.
December 2023 in “International Journal of Molecular Sciences” Men with early balding showed higher levels of certain genes linked to hair loss and possibly prostate cancer.
November 2023 in “Expert Opinion on Pharmacotherapy” Finasteride and dutasteride are effective in treating male hair loss but can cause sexual side effects and birth defects.
October 2010 in “Journal of Men's Health” The conclusion is that doctors should be careful when prescribing 5α-reductase inhibitors due to possible serious side effects, and they should discuss these risks with patients.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.
193 citations,
August 1985 in “Endocrinology” Different animals have unique versions of the enzyme that changes testosterone into another hormone, which is important for creating effective treatments for prostate and hair loss conditions.
12 citations,
June 2019 in “Psychoneuroendocrinology” Allopregnanolone is needed for certain brain processing issues caused by D1 dopamine receptor activation.
93 citations,
January 1996 in “Clinical Pharmacokinectics” Finasteride helps regrow hair and shrink prostate by reducing DHT, with some sexual side effects.
57 citations,
January 1995 in “The American journal of medicine” Oral contraceptives help treat hyperandrogenic disorders, improving symptoms like excessive hair and acne.
57 citations,
January 1986 in “The Prostate” The document suggests that targeting the hormone DHT could be a more effective treatment for prostate cancer than targeting testosterone.
54 citations,
February 1993 in “Endocrine reviews” Androgen conjugates might be better indicators of skin sensitivity to hormones in women with excessive hair growth.
46 citations,
September 2011 in “Journal of Endocrinology” Natural 5α-reduced glucocorticoids might be anti-inflammatory with fewer side effects than current options.