48 citations,
February 1999 in “PubMed” Finasteride, a drug, can block the seizure-preventing effects of a hormone called progesterone in mice.
17 citations,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
15 citations,
March 1997 in “International Journal of Dermatology” Finasteride shows promise for treating hair loss and excessive hair growth, but more research is needed to confirm its effectiveness and safety.
108 citations,
February 2008 in “The Journal of urology/The journal of urology” Inhibiting 5α-reductase can help reduce prostate cancer risk and improve treatment.
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.
29 citations,
July 2009 in “BJU international” Blocking DHT production more strongly may help control advanced prostate cancer and improve quality of life.
April 2005 in “The Journal of urology/The journal of urology” Dutasteride may help treat prostate cancer by causing cancer cells to shrink and die.
196 citations,
May 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebocytes play a key role in controlling androgen levels in human skin.
27 citations,
July 2008 in “Neuroscience” Finasteride given to baby rats causes anxiety-like behavior and worsens learning from punishment in adult rats.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
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.
93 citations,
February 2009 in “Annals of the New York Academy of Sciences” 5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.
47 citations,
April 2003 in “Journal of dermatological science” Thujae occidentalis semen extract may help treat male pattern baldness by blocking a hair loss-related enzyme and reducing hair loss in mice.
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.
27 citations,
May 2015 in “Neuropharmacology” Dutasteride protects dopamine neurons in Parkinson's mice, but Finasteride doesn't.
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.
17 citations,
August 2011 in “Current Medicinal Chemistry” New treatments for enlarged prostate are being developed, some of which may be more effective than current medications.
4 citations,
August 2010 in “Acta Biologica Hungarica” New steroidal compounds moderately block an enzyme related to testosterone conversion, less effectively than finasteride.
3 citations,
March 2005 in “The Journal of urology/The journal of urology” Dutasteride may help shrink prostate cancer tumors.
218 citations,
December 2011 in “Advances in Urology” The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
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.
18 citations,
June 2009 in “Journal of Molecular Endocrinology” Finasteride exposure harms tadpole reproduction and hormone balance.
14 citations,
April 2021 in “Biology” Thai rice bran extracts, especially from Tubtim Chumphae rice, can significantly reduce the activity of hair loss genes, with x-tocopherol showing potential as an anti-hair loss product.
14 citations,
February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
11 citations,
August 2014 in “Current Urology Reports” Medications for enlarged prostate can cause sexual side effects like reduced libido, erectile dysfunction, and ejaculatory problems.
6 citations,
May 2020 in “JAMA Ophthalmology” Using 5-alpha-reductase inhibitors, drugs for prostate issues and hair loss, may lead to eye abnormalities in men.
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.
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.
11 citations,
September 2020 in “OncoTargets and Therapy” Dihydrotestosterone increases growth and spread of human brain cancer cells, and blocking its formation might help treat this cancer.
June 2024 in “Reviews on Recent Clinical Trials” Finasteride and dutasteride may cause metabolic issues like liver disease and diabetes.