Actively Recruiting
These studies are recruiting now. Sending an inquiry does not put you in a study and does not commit you. Whether a study is a fit is decided later, in screening, under an IRB-approved protocol.
Enrollment Complete — Active
These studies are no longer recruiting. Follow-up, data collection, or analysis is ongoing. There is no application on these pages.
Completed
Data collection is complete. This section covers what the work means for the field — not an offer of care.
In Development
These studies are in protocol development. They are not open yet, and there is nothing to apply to. You can register early interest. Read what “in development” means
Not seeing a study for you?
Our studies run in person in New Haven, and each one is looking for something specific. Other universities and hospitals run psychedelic research too.
ClinicalTrials.gov is the U.S. government’s public list of every registered study. You can search it by condition and by where you live.
Search ClinicalTrials.gov (opens in a new tab)We cannot search it for you, and we cannot refer you to another site.





