# Retrospective Observational Study of Intensity Effects in Psychedelic-assisted Treatment

> **NCT07164287** · — · ACTIVE_NOT_RECRUITING · sponsor: **University Hospital, Geneva** · enrollment: 376 (estimated)

## Conditions studied

- Major Depressive Disorder (MDD)
- Anxiety Disorders
- Substance Use Disorder (SUD)
- PTSD - Post Traumatic Stress Disorder

## Interventions

- **DRUG:** Lysergic Acid Diethylamide (LSD) or psilocybin

## Key facts

- **NCT ID:** NCT07164287
- **Lead sponsor:** University Hospital, Geneva
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-06-01
- **Primary completion:** 2025-04-30
- **Final completion:** 2025-09-30
- **Target enrollment:** 376 (ESTIMATED)
- **Last updated:** 2025-10-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07164287

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07164287, "Retrospective Observational Study of Intensity Effects in Psychedelic-assisted Treatment". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT07164287. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*