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.
22 citations,
August 2011 in “Journal of Supercritical Fluids” Rice bran extract might help prevent hair loss.
15 citations,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
14 citations,
February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
12 citations,
April 2018 in “Physiology & Behavior” Finasteride raises suicide-linked aggression and stops clozapine's positive effects in schizophrenia animals.
8 citations,
June 2020 in “The Journal of Clinical Endocrinology and Metabolism” Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
1 citations,
April 2020 in “Journal of The American Academy of Dermatology” 5ARI treatment improves hair growth in older men with minimal side effects.
June 2018 in “The Journal of Sexual Medicine” Men with lower education levels are more likely to have erectile dysfunction if they have coronary artery disease.
February 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 215 citations,
November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
39 citations,
April 2007 in “Therapeutic Drug Monitoring” Finasteride affects urinary steroid profiles and can potentially hide steroid abuse in sports drug testing.
35 citations,
May 1986 in “Clinics in endocrinology and metabolism” The exact cause of increased 5α-reductase activity leading to hirsutism in women is still unknown.
33 citations,
April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
26 citations,
June 2005 in “Journal of Molecular Endocrinology” Dutasteride is more efficient than finasteride, but individual results vary.
23 citations,
July 1993 in “Pharmacotherapy” Finasteride treats enlarged prostate and baldness, but may cause limited urinary improvement and sex-related side effects.
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.
8 citations,
July 2017 in “The Journal of Steroid Biochemistry and Molecular Biology” DHT affects testicular development and regulates spermatogenesis in some fish.
4 citations,
May 2019 in “Physiology & Behavior” Cocaine impairs male sexual behavior and alters testosterone metabolism in the brain.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.
58 citations,
January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
57 citations,
July 2016 in “The Journal of Sexual Medicine” 5α-reductase inhibitors increase the risk of sexual dysfunction, especially in men with enlarged prostate.
32 citations,
June 2017 in “Journal of Pharmaceutical Sciences” Chitosan-coated nanoparticles improve skin delivery of hair loss treatments with fewer side effects.
16 citations,
October 2007 in “Andrologia” DHT is a strong androgen that may pose less risk to the prostate compared to testosterone.
15 citations,
October 2016 in “Steroids” Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
13 citations,
August 1997 in “Steroids” Finasteride effectively lowers specific hormone levels, helping monitor treatment progress.
11 citations,
December 2010 in “The Journal of Urology” Taking oral testosterone with or without dutasteride increases testosterone levels and could be an effective treatment for low testosterone.
10 citations,
May 2010 in “Analytica Chimica Acta” New tests detect finasteride and dutasteride in urine quickly and easily.
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.
8 citations,
January 1986 in “Journal of hepatology” Men with liver cancer have higher levels of a specific testosterone byproduct in their liver and blood, despite overall lower male hormone levels.
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.