COMPASS Pathways psychedelic research trials
Data as of 11 October 2026. Source: ClinicalTrials.gov records held by PsychoactiveMap, refreshed from a reviewed snapshot.
COMPASS Pathways is listed with 4 registered studies counted here, in La Jolla, United States. By compound: 4 psilocybin. By registry status: 1 active, not recruiting and 3 completed. By phase: 3 phase 2 and 1 not reported. Reported start years run from 2019 (earliest) to 2023 (latest).
Institution name, city and country are copied from the research site linked to each registry record. A study counts once per institution, and a study tagged with more than one compound is counted under each compound.
Educational information, not medical advice. A registry listing is not evidence of safety, benefit or results, and it is not a recommendation. PsychoactiveMap does not recruit, screen or refer participants. Status and other details are copied from the registry and can be out of date, so check the registry record and speak to a qualified health professional before any decision. Read the full disclaimer.
At a glance
- 4 registered studies are counted on this page.
By compound
| Compound hub | Studies |
|---|---|
| Psilocybin | 4 |
By registry status
| Status | Studies | Share |
|---|---|---|
| Active, not recruiting | 1 | 25% |
| Completed | 3 | 75% |
By phase
| Phase | Studies | Share |
|---|---|---|
| Phase 2 | 3 | 75% |
| Not reported | 1 | 25% |
Registered studies
All counted studies, newest start first. The order is not a ranking and says nothing about quality. Titles are quoted from the registry. Each ID links to its own ClinicalTrials.gov record, which has the eligibility criteria and contacts.
| Title as registered | Registry ID | Status | Phase | Start | Compound |
|---|---|---|---|---|---|
| A Phase II, Multicentre, Randomised, Double-blind, Controlled Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Efficacy of COMP360 in Participants With Recurrent Major Depressive Disorder | NCT05733546 | Active, not recruiting | Phase 2 | 2023-01-30 | Psilocybin |
| The Safety and Efficacy Of Psilocybin as an Adjunctive Therapy in Participants With Treatment Resistant Depression | NCT04739865 | Completed | Phase 2 | 2020-08-10 | Psilocybin |
| Long Term Follow Up Study to COMP 001 And COMP 003 Trials (P-TRD LTFU) | NCT04519957 | Completed | Not reported | 2020-07-20 | Psilocybin |
| The Safety and Efficacy of Psilocybin in Participants With Treatment Resistant Depression | NCT03775200 | Completed | Phase 2 | 2019-03-01 | Psilocybin |
About this data
Compound tags come from automated matching of the registry search term and have not been checked record by record. Counts are of registered studies, not of people, results or approvals. A registry listing is not evidence of safety, benefit or results.