CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 79 enrolled
Drug / intervention
Methylone +1 moredrug
Likely dose
Not stated in 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/NCT05741710
NCT05741710Phase 2Completed

A Pilot Study to Assess the Use of Methylone in the Treatment of PTSD IMPACT-1 (Investigation of Methylone for Post-Traumatic Stress Disorder [PTSD])

Transcend Therapeutics·interventional·Posted Feb 23, 2023·Updated Apr 15, 2026

In Brief

A Phase 2 clinical trial evaluating Methylone and Placebo for Post Traumatic Stress Disorder. Completed, enrolled 79 participants across 16 sites in 3 countries.

Detailed Summary

This study is evaluating the safety, tolerability, and efficacy of methylone in adults with PTSD. The study will be conducted in two parts. * Part A is open-label and will enroll up to 15 participants with PTSD * Part B is randomized (1:1), double-blind, placebo-controlled and will enroll up to 64 participants with PTSD Eligible participants will enter a 4-week Treatment Period where they will receive methylone once weekly for 4 weeks (4 treatment sessions). Following the Treatment Period, participants will enter a 6-week Follow-up Period which includes 3 reflection visits (Week 4, 5, and 6) and a final study visit at Week 10.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesIreland, United Kingdom, United States
Collaborators--

Timeline

Phase 2CompletedFinished
202420252026
First PostedFeb 23, 2023
Enrollment StartMar 1, 2023
Primary CompletionFeb 19, 2025
TodayJul 2, 2026
Enrollment to primary: 2.0 yearsPosted 3.4 years ago

Interventions

Methylonedrug

Methylone capsules, given orally, once a week for 4 weeks

Placebodrug

Placebo capsules to match methylone, given orally, once a week for 4 weeks. NOTE: Placebo is only in Part B