# Long Term Follow Up Study to COMP 001 And COMP 003 Trials (P-TRD LTFU)

> **NCT04519957** · — · COMPLETED · sponsor: **COMPASS Pathways** · enrollment: 66 (actual)

## Conditions studied

- Treatment Resistant Depression

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04519957
- **Lead sponsor:** COMPASS Pathways
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-07-20
- **Primary completion:** 2022-08-11
- **Final completion:** 2022-08-11
- **Target enrollment:** 66 (ACTUAL)
- **Last updated:** 2022-09-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04519957

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04519957, "Long Term Follow Up Study to COMP 001 And COMP 003 Trials (P-TRD LTFU)". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04519957. Licensed CC0.

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