May 2006 in “Frontiers in Neuroendocrinology” This study found that patients with androgenic alopecia had altered neuroactive steroid levels and depression symptoms after stopping finasteride treatment, suggesting lingering neuropsychiatric effects.
123 citations
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June 2006 in “Journal of Neurobiology” This study reports that progesterone metabolism to DHP and THP is necessary for its neuroprotective effect against kainic acid excitotoxicity in ovariectomized rats, unlike the synthetic progestin MPA.
12 citations
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March 2018 in “Analytical chemistry” This study found that a new analytical approach revealed an increased brain pregnenolone level following finasteride treatment in a mouse model, suggesting potential for improved understanding of neurosteroid roles in brain excitability.
June 2014 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” In this study, progesterone showed anticonvulsant effects in mice via a mechanism that is at least partially independent of its metabolism to THP, without significant psychotoxicity.
21 citations
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February 2005 in “Epilepsy & Behavior” The researchers reported that metabolism of progesterone to 3α,5α-THP in the hippocampus is important for its antiseizure effects in ovariectomized rats.