Objectives: To evaluate the efficacy, safety, and durability of a single 25-mg dose of a proprietary, synthetic formulation of psilocybin with psychological support for reducing chronic suicidal ideation in a treatment-resistant population. Methods: This was an open-label, single-arm study with a 12-week follow-up conducted between March 2022 and May 2025. Twenty adults with chronic suicidal...
This open-label study suggests efficacy and safety of psilocybin in severe TRD and supports further study of psychedelics in this population, including consideration of PTSD interaction effects.
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Importance Bipolar II disorder (BDII) is a debilitating condition frequently associated with difficult-to-treat depressive episodes. Psilocybin has evidence for rapid-acting antidepressant effects but has not been investigated in bipolar depression. Objective To establish the safety and efficacy of psilocybin in patients with BDII in a current depressive episode. Design, Setting, and...