The therapeutic alliance between study participants and intervention facilitators is associated with acute effects and clinical outcomes in a psilocybin-assisted therapy trial for major depressive disorder. - Levin, Adam W.; Lancelotta, Rafaelle; Sepeda, Nathan D.; Gukasyan, Natalie; Nayak, Sandeep; Wagener, Theodore L.; Barrett, Frederick S.; Griffiths, Roland R.; Davis, Alan K. (PLoS ONE, 2024)