- Conditions
- Depressive Disorder, Major
- Interventions
- Psilocybin, Niacin, Set and Setting (SaS) Protocol
- Drug · Other
- Lead sponsor
- Usona Institute
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 347 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 11
- States / cities
- San Francisco, California • Santa Monica, California • New Haven, Connecticut + 8 more
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–2
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matching trials from the live ClinicalTrials.gov search.
- Conditions
- Depressive Disorder, Major
- Interventions
- Psilocybin 25 mg, Inactive Placebo, Psilocybin 5 mg, Psychosocial Support
- Drug · Behavioral
- Lead sponsor
- Usona Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 238 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 29
- States / cities
- Birmingham, Alabama • Fayetteville, Arkansas • Little Rock, Arkansas + 25 more