studies established

Rapid and sustained symptom reduction following psilocybin treatment for anxiety and depression in patients with life-threatening cancer

A single psilocybin dose produced immediate, substantial, and sustained reductions in cancer-related anxiety and depression, with antidepressant and anxiolytic effects persisting at 6.5 months in the majority of participants.

Ross, Bossis, Guss, et al. January 1, 2016

Key finding — A single psilocybin dose produced immediate, substantial, and sustained reductions in cancer-related anxiety and depression, with antidepressant and anxiolytic effects persisting at 6.5 months in the majority of participants.

Study at a glance

FieldDetail
InstitutionNYU Langone
DesignRandomized, double-blind, placebo-controlled crossover
Sample size29 participants
InterventionSingle 0.3 mg/kg psilocybin vs. niacin active control, crossover
Year2016
ConditionCancer-related anxiety and depression
JournalJournal of Psychopharmacology
Evidenceestablished

Limitations

Small sample; niacin is an imperfect blind; participants were carefully screened, limiting generalizability.

Editorial note

Published simultaneously with the Hopkins cancer trial, the NYU study independently reached strikingly similar conclusions. The convergence of two separate teams on the same finding is part of why the end-of-life evidence base is considered unusually robust.

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Summary written by MMI Editorial for clarity. Always consult the primary source for full methodology and results. The confidence rating reflects our assessment of evidence strength.