ketamine
Spotlight: Changing your mind: neuroplastic mechanisms underlying the therapeutic effect of psychedelics in depression, PTSD, and addiction (Palhas, et al, 2025)
"Serotonergic psychedelics & ketamine appear to share common cellular mechanisms. They both recruit glutamatergic neurons to stimulate BDNF-trKB signaling, promoting synaptogenesis via the mTOR pathway. These changes may explain their efficacy in depression, anxiety, PTSD, & addiction."