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Unless you’re as old as I am, you may never have prescribed chlorpromazine, the first of the first-generation antipsychotics . But all of a sudden, here it is again, being examined in this review by Muric et al. and several other groups as a potential treatment for COVID-19. What’s the deal?
Hi, Jim Phelps here for the Psychopharmacology Institute. Chlorpromazine was originally developed by a team looking for an antimalarial agent. Its downsides—such as sedation, orthostasis, and anticholinergic effects—have caused it to largely disappear from regular use, but it appears that chlorpromazine might have some benefits in treating COVID-19 infections. What’s known comes from lab experiments or observation in uninfected people taking chlorpromazine, not from experience in patients with COVID-19 or even other viral infections. On the other hand, the data are remarkably extensive. It turns out that chlorpromazine has immunomodulatory and direct antiviral effects. In the immune system, 9
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