136 citations,
March 1996 in “Journal of the American Chemical Society” Finasteride effectively blocks enzyme causing male pattern baldness.
75 citations,
January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
41 citations,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
23 citations,
January 2001 in “Chemical & Pharmaceutical Bulletin” New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.
22 citations,
January 2001 in “Chemical & Pharmaceutical Bulletin” Some new progesterone derivatives are better at blocking testosterone conversion than a common drug.
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.
16 citations,
January 2010 in “Drug Metabolism and Pharmacokinetics” Finasteride's effect on hair loss and prostate enlargement depends on its binding to an enzyme, with maximum impact at 0.2 mg dose.
11 citations,
May 2002 in “The Journal of Urology” Finasteride doesn't harm bone density in older men with BPH.
August 2024 in “Research Square (Research Square)” Using 5-alpha reductase inhibitors may lower the risk of breast cancer in females.
26 citations,
September 2018 in “Neurobiology of Disease” Finasteride and dutasteride reduce unwanted movements from Parkinson's disease treatment by normalizing certain brain signals.
343 citations,
October 2015 in “Endocrine Practice” The guide recommends specific methods for diagnosing PCOS and various treatments for its symptoms, while considering the health impacts on adolescents.
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.
9 citations,
August 2019 in “Clinical genitourinary cancer” Taking 5-Alpha Reductase Inhibitors before bladder removal surgery might make high-grade bladder tumors less aggressive.
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.
4 citations,
December 2019 in “Minerva Urology and Nephrology” 5-alpha reductase inhibitors may reduce bladder cancer recurrence and improve survival.
3 citations,
March 2018 in “European Urology Supplements” Using 5-alpha-reductase inhibitors may improve bladder cancer survival in men.
2 citations,
January 2017 in “Annals of Dermatology” Taking 5-alpha reductase inhibitors does not increase breast cancer risk in men.
April 2007 in “Nature Clinical Practice Urology” Finasteride lowers PSA levels about the same whether taken at 1 mg or 5 mg daily.
44 citations,
January 2007 in “Biological & pharmaceutical bulletin” Black pepper leaf extract contains compounds that can block testosterone effects and promote hair growth.
1 citations,
April 2022 in “Applied sciences” Bitter melon extract may help prevent hair loss and can be used in cosmetic products.
August 2024 in “Journal of Personalized Medicine” Tamsulosin increases the risk of floppy iris during eye surgery.
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.
May 2021 in “Journal of Advances in Internal Medicine” A 13-year-old with 46 XY DSD had ambiguous genitalia due to incomplete masculinization.
29 citations,
September 2014 in “Current Opinion in Endocrinology, Diabetes and Obesity” Finasteride and dutasteride effectively treat hair loss in men and women, but may cause side effects like low libido and depression.
February 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 124 citations,
January 1993 in “The Prostate” Finasteride effectively inhibits 5α reductase, while plant extracts like Permixon and Bazoton don't show significant results.
9 citations,
October 1993 in “The Journal of Clinical Pharmacology” Finasteride doesn't affect antipyrine metabolism, so interactions with cytochrome P-450 enzyme drugs are unlikely.
January 2020 in “Química Nova” The PW91 method is best for calculating the basic physical and chemical properties of Finasteride, a drug used for prostate issues and hair loss.
55 citations,
March 1990 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride may treat baldness but less effective for those with 5α-reductase deficiency.