59 citations
,
November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
21 citations
,
January 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” Progesterone byproduct 5αP stimulates mammary tumor growth, but finasteride can suppress it.
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.
57 citations
,
February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
72 citations
,
January 2011 in “Current Pharmaceutical Design” S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
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.
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.
12 citations
,
April 2018 in “Physiology & Behavior” Finasteride raises suicide-linked aggression and stops clozapine's positive effects in schizophrenia animals.
11 citations
,
December 2018 in “Assay and Drug Development Technologies” Natural herbal compounds might treat certain medical conditions by reducing DHT levels, but more research is needed to confirm their effectiveness and safety.
223 citations
,
December 2010 in “The Journal of Sexual Medicine” Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.
1 citations
,
August 2015 in “Current Sexual Health Reports” 5α-reductase inhibitors can cause serious and possibly lasting sexual and psychological side effects.
7 citations
,
April 2019 in “The Journal of Steroid Biochemistry and Molecular Biology” 11α-Hydroxyprogesterone is changed into different substances by certain enzymes and may play a role in prostate cancer.
4 citations
,
June 2003 in “Fertility and Sterility” Finasteride doesn't affect ovulation in normal women.
18 citations
,
March 2020 in “Frontiers in Neuroendocrinology” The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.
26 citations
,
July 2012 in “Epilepsy & Behavior” Finasteride worsens seizures in epilepsy rats and speeds up epileptogenesis in mice.
23 citations
,
July 2003 in “Pharmacology, Biochemistry and Behavior” Finasteride blocks progesterone's effect on absence seizures in rats.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
37 citations
,
September 2018 in “Psychoneuroendocrinology” Finasteride treatment in male rats causes long-lasting effects on depression-like behavior, brain cell growth, inflammation, and gut bacteria composition.
20 citations
,
January 2018 in “Expert Opinion on Drug Safety” Personalized treatment with inhibitors, minoxidil, and laser therapy helps hair loss.
8 citations
,
February 2017 in “Clinical Drug Investigation” Finasteride can cause sexual dysfunction and depression, which may persist and require hormonal treatment.
6 citations
,
October 1993 in “Endocrinology” Finasteride blocks progesterone production in specific tumor cells, potentially causing side effects.
23 citations
,
October 2018 in “Expert Opinion on Drug Safety” Consider benefits and risks of new alopecia treatments for safety.
16 citations
,
October 2017 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Dutasteride may protect the brain in early Parkinson's disease.
2 citations
,
August 2016 in “Experimental Dermatology” Finasteride treats baldness but may cause lasting sexual side effects.
11 citations
,
February 2018 in “Archives of Pharmacal Research” Finasteride reduces melanin production, possibly treating hyperpigmentation and melanoma, but needs more safety research.
6 citations
,
January 2020 in “BMC Neuroscience” Male tissue has more cell death than female tissue after ischemia, and some neurosteroids only protect female cells.
March 2025 in “Journal of Endocrinology and Metabolism” Rodent models of PCOS show some hormone changes similar to humans, but also have key differences.
123 citations
,
May 2009 in “Journal of Neuroscience” In late pregnancy, allopregnanolone reduces stress responses in rats by affecting brain chemicals.
8 citations
,
January 1987 in “Gynecological Endocrinology” Flutamide, an antiandrogen, has minimal impact on female rat endocrine systems and does not significantly change their reproductive cycles.
40 citations
,
April 2018 in “Endocrine” PFS and PSSD are similar conditions with persistent sexual dysfunction after stopping medication.