21 citations,
May 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.
11 citations,
November 2021 in “International journal of molecular sciences” Gut microbes significantly affect brain steroid levels.
8 citations,
February 2017 in “Clinical Drug Investigation” Finasteride can cause sexual dysfunction and depression, which may persist and require hormonal treatment.
May 2006 in “Frontiers in Neuroendocrinology” Progesterone and its metabolites affect myelin protein expression differently in male and female rat Schwann cells.
59 citations,
November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
26 citations,
March 2006 in “Endocrine, metabolic & immune disorders. Drug targets” This enzyme helps metabolize fatty acids and isoleucine, and could be key in treating neurological diseases and certain cancers.
36 citations,
June 2001 in “Neuroscience Letters” Finasteride may affect fetal brain development and increase arousal, but more research is needed for safety confirmation.
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.
137 citations,
March 2006 in “Cns Drug Reviews” Finasteride treats enlarged prostate and hair loss, but may cause side effects in some patients.
112 citations,
July 2012 in “The Journal of Sexual Medicine” Finasteride may cause long-lasting sexual side effects.
75 citations,
January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
73 citations,
July 2013 in “The Journal of Sexual Medicine” Finasteride use changes brain chemicals, causing lasting sexual issues and anxiety/depression.
61 citations,
April 2014 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride affects brain and blood steroids, causing lasting sexual and emotional side effects.
61 citations,
September 2008 in “Biological & Pharmaceutical Bulletin” Finasteride almost fully depletes allopregnanolone in rat brains and enhances 20α-DHP, but doesn't change 3α-DHP levels.
58 citations,
April 2017 in “The Journal of Steroid Biochemistry and Molecular Biology” Post-finasteride patients show changed neuroactive steroid levels, possibly causing erectile dysfunction and depression.
54 citations,
August 2005 in “Alcohol” Finasteride affects alcohol intake in male mice, possibly due to neurosteroids.
33 citations,
December 2015 in “Neuroendocrinology” Finasteride treatment changes brain steroid levels and receptors, affecting brain function even after stopping treatment.
31 citations,
March 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Neuroactive steroids could become safe, effective treatments with more understanding of their complex brain actions and metabolism.
26 citations,
December 2019 in “Neurobiology of Stress” Post-finasteride syndrome causes lasting sexual, neurological, and physical side effects in some people after taking finasteride.
25 citations,
June 2017 in “Scientific reports” Stress worsens Tourette symptoms by increasing allopregnanolone levels.
22 citations,
December 2010 in “Journal of Cosmetic Dermatology” Finasteride may increase depression by reducing brain cell growth.
17 citations,
February 2014 in “The International Journal of Neuropsychopharmacology” 14 citations,
March 2018 in “Translational Stroke Research” Finasteride helps protect brain in old male rats.
12 citations,
June 2019 in “Psychoneuroendocrinology” Allopregnanolone is needed for certain brain processing issues caused by D1 dopamine receptor activation.
10 citations,
August 2020 in “International Journal of Andrology” 5α-reductase inhibitors like finasteride may not be effective or safe for transgender individuals, and more research is needed.
10 citations,
November 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Korean and Caucasian men with male pattern baldness have different hair steroid levels.
8 citations,
July 2019 in “Endocrine connections” Finasteride affects SRD5A2 gene pattern, possibly causing lasting side effects.
7 citations,
January 2018 in “Reproduction” Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
4 citations,
June 2003 in “Fertility and Sterility” Finasteride doesn't affect ovulation in normal women.
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.