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Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Comparing the Effects of Psilocin and Psilocybin in Healthy Adults

ClinicalTrials.gov ID: NCT05317689

Public ClinicalTrials.gov record NCT05317689. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 19, 2026, 11:44 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Comparison of the Effects of PEX20 (Oral Psilocin), PEX30 (Sublingual Psilocin), and PEX10 (Oral Psilocybin) in Healthy Adults

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To compare the physiological and psychological effects of psilocin taken orally by pill or sublingually by dissolving a tablet under the tongue to those of psilocybin taken by pill in healthy adults.

Study identification

NCT ID
NCT05317689
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 1
Enrollment
20 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
25 Years to 50 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 25, 2022
Primary completion
Jan 15, 2025
Completion
Jun 30, 2025
Last update posted
Jun 9, 2025

2022 – 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of California, San Francisco San Francisco California 94143

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05317689, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jun 9, 2025 · Synced Sep 19, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05317689 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →