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.
4 citations,
June 2003 in “Fertility and Sterility” Finasteride doesn't affect ovulation in normal women.
59 citations,
November 2018 in “Psychoneuroendocrinology” Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.
26 citations,
September 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.
14 citations,
February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
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.
36 citations,
June 2001 in “Neuroscience Letters” Finasteride may affect fetal brain development and increase arousal, but more research is needed for safety confirmation.
72 citations,
January 2011 in “Current Pharmaceutical Design” S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.
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.
54 citations,
August 2005 in “Alcohol” Finasteride affects alcohol intake in male mice, possibly due to neurosteroids.
25 citations,
June 2017 in “Scientific reports” Stress worsens Tourette symptoms by increasing allopregnanolone levels.
24 citations,
May 2015 in “Schizophrenia Research” A drug improved schizophrenia-like symptoms in stressed rats by changing brain steroid levels.
17 citations,
February 2014 in “The International Journal of Neuropsychopharmacology” 13 citations,
November 2019 in “Scientific reports” Certain drugs change freshwater snail shells to a "banana" shape.
7 citations,
January 2018 in “Reproduction” Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
2 citations,
July 2020 in “Behavioural Brain Research” Changing neuroactive steroids in baby male rats affects their memory and learning differently as they grow up.
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.
185 citations,
March 2011 in “The Journal of Sexual Medicine” Finasteride for hair loss can cause long-lasting sexual side effects like low libido and erectile dysfunction.
25 citations,
March 2017 in “Steroids” Allopregnanolone increases growth and changes gene activity in human brain cancer cells.
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.
4 citations,
January 2018 in “General Physiology and Biophysics” The steroids allopregnanolone and allotetrahydrodeoxycorticosteron worsened absence seizures in rats.
3 citations,
August 2016 in “Behavioural Brain Research” Finasteride given to baby rats reduces dopamine release and increases alcohol consumption in adult males.
1 citations,
January 2019 in “Elsevier eBooks” Neuroactive steroids may affect the risk and treatment of alcohol use disorders.
1 citations,
February 2014 in “Archiv Der Pharmazie” Carbamates may help treat androgen-dependent conditions by changing how certain lipid enzymes are produced.
July 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The structure of SRD5A reveals how it reduces steroids, aiding drug design for related health conditions.
157 citations,
May 2021 in “Endocrine Reviews” Early diagnosis and individualized treatment improve outcomes for Congenital Adrenal Hyperplasia.
123 citations,
December 2015 in “Journal of Neuroendocrinology” New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.
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.