# The Effects of Psilocybin on Self-Focus and Self-Related Processing in Treatment Resistant MDD

> **NCT05381974** · PHASE2 · WITHDRAWN · sponsor: **Massachusetts General Hospital**

## Conditions studied

- Treatment-Resistant Major Depressive Disorder

## Interventions

- **DRUG:** Psilocybin

## Key facts

- **NCT ID:** NCT05381974
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2022-09-15
- **Primary completion:** 2023-06-01
- **Final completion:** 2023-06-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study was terminated due to difficulty recruiting patients who met inclusion/exclusion criteria. No participants received the intervention.
- **Last updated:** 2024-01-24

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05381974

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05381974, "The Effects of Psilocybin on Self-Focus and Self-Related Processing in Treatment Resistant MDD". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05381974. Licensed CC0.

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