Curr Top Behav Neurosci
December 2024
Importance: Psilocybin shows promise as a treatment for major depressive disorder (MDD).
Objective: To evaluate the magnitude, timing, and durability of antidepressant effects and safety of a single dose of psilocybin in patients with MDD.
Design, Setting, And Participants: In this phase 2 trial conducted between December 2019 and June 2022 at 11 research sites in the US, participants were randomized in a 1:1 ratio to receive a single dose of psilocybin vs niacin placebo administered with psychological support.