CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 35 enrolled
Drug / intervention
Psilocybin +1 moredrug
Likely dose
Psilocybin 25 mgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04630964
NCT04630964Phase 2Completed

The Effect of Psilocybin on MDD Symptom Severity and Synaptic Density - A Single Dose Randomized, Double Blind, Placebo- Controlled Phase 2 Positron Emission Tomography Study

Section for Affective Disorders; Northern Stockholm Psychiatry·interventional·Posted Nov 16, 2020·Updated Apr 19, 2024

In Brief

A Phase 2 clinical trial evaluating Psilocybin and Niacin for Major Depressive Disorder and Depression. Completed, enrolled 35 participants across 1 site.

Detailed Summary

PROTOCOL SYNOPSIS Title The effect of psilocybin on Major depressive disorder (MDD) symptom severity and synaptic density - a single dose randomized, double blind, placebo-controlled phase 2b positron emission tomography study Study Code PSIPET Name of Sponsor SLSO Organisationsnr: 232100-0016 Sponsor representative: Andreas Carlborg Norra Stockholms Psykiatri Vårdvägen 3 112 19 Stockholm Sweden Medical Monitor Inspira Medical AB Phase of Study Phase 2b Sample Size 30 randomized Name of Investigational Product (IP) Psilocybin, 3-\[2-(dimethylamino)ethyl\]-1H-indol-4-yl\] dihydrogen phosphate Name of Active Placebo Niacin EudraCT 2020-002790-94 Description of IP and Active Placebo PSIPET Protocol 5 200821 Page 14 Study Intervention Name: Psilocybin (active drug product) Niacin (active placebo product) Dosage formulation: One active capsule contains 25 mg of psilocybin One active placebo capsule contains 100 mg of niacin Capsule: Size 2 hydroxypropyl methylcellulose (HPMC), opaque Size 2 HPMC, opaque Unit dose strength: 25 mg 100 mg Route of Administration: Oral (solid dose) Oral (solid dose) Dosing instructions: One capsule administered with water One capsule administered with water Packaging and Labeling: Study Intervention will be provided in a high-density polyethylene (HDPE) bottle. Each bottle will contain one capsule (psilocybin or niacin) and will be labeled as required per Swedish requirement for blinded study.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesSweden

Timeline

Phase 2CompletedFinished
202120222023202420252026
First PostedNov 16, 2020
Enrollment StartJan 1, 2021
Primary CompletionApr 19, 2023
Study CompletionApr 18, 2024
TodayJul 2, 2026
Enrollment to primary: 2.3 yearsPosted 5.6 years ago

Interventions

Psilocybindrug

psilocybin 25 mg Single Oral Dose

Niacindrug

niacin 100mg Single Oral Dose