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Ayahuasca clinical trials

studies test it
10
open now
6
in phase 3
0
first study started
2014

How each study uses ayahuasca is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study

Get an email when these change. Save the ayahuasca studies recruiting or about to start — once a week, free: studies that open, close, add sites or post results.

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Approvals

The first approval found in each region, with its record

United States
Not in FDA's approval records
European Union
Not in EMA's list of EU-wide authorisations

From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out

How studies write it

Studies that test it under each name

Name

Ayahuasca
10
aya
2

Studies by the year they started

10 studies that test it; most in 2025 (3)

Studies that test ayahuasca, by start year
YearStudies
20141
20221
20232
20241
20253
20262

By phase

A phase 1/2 study counts in both.

Early Phase 1
3
Phase 1
3
Phase 2
4
No phase
2

What it is tested for

Each study’s main condition, where its own words name it, so a study counts once.

Seizures
1
Stress Disorders, Post-Traumatic
1

Who runs them

Industry 0 · Other 10

University of Sao Paulo (8) · Universidade Federal do Rio Grande do Norte (1) · Advanced Integrative Medical Science Institute (1)

Often tested with

Tested in the same studies.

Esketamine (1)

Coming up

From the study records. Dates are the sponsors’ own estimates and often move.

Reaching primary completion within a year · 1

Studies that test ayahuasca.

Studies

Open first, then newest update. How each study uses ayahuasca is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.

Testing it · 10