# Comparing the Effects of Psilocin and Psilocybin in Healthy Adults

> **NCT05317689** · PHASE1 · ACTIVE_NOT_RECRUITING · sponsor: **University of California, San Francisco** · enrollment: 20 (estimated)

## Conditions studied

- Healthy

## Interventions

- **DRUG:** Psilocin
- **DRUG:** Psilocybin
- **DRUG:** Sublingual Psilocin

## Key facts

- **NCT ID:** NCT05317689
- **Lead sponsor:** University of California, San Francisco
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-05-26
- **Primary completion:** 2025-01-16
- **Final completion:** 2025-07
- **Target enrollment:** 20 (ESTIMATED)
- **Last updated:** 2025-06-10

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05317689

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05317689, "Comparing the Effects of Psilocin and Psilocybin in Healthy Adults". Retrieved via AI Analytics 2026-07-08 from https://api.ai-analytics.org/clinical/NCT05317689. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*