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A Phase 3 Trial of DT120 for Major Depressive Disorder (Ascend)

RECRUITINGPhase 3Sponsored by Definium Therapeutics US, Inc.
Actively Recruiting
PhasePhase 3
SponsorDefinium Therapeutics US, Inc.
Started2026-05-10
Est. completion2027-09
Eligibility
Age18 Years – 74 Years
Healthy vol.Accepted
Locations27 sites

Summary

A Phase 3 Double-blind, Placebo-controlled Study (Part A) with an Open-label Extension (Part B) Evaluating DT120 Compared to Placebo in Major Depressive Disorder - Ascend

Eligibility

Age: 18 Years – 74 YearsHealthy volunteers accepted
Inclusion Criteria:

1. Diagnosis of MDD per DSM-5
2. Male or female aged 18 to 74
3. Currently experiencing a major depressive episode (MDE) of ≥8 weeks and ≤24 months duration
4. MADRS Total Score ≥26
5. CGI-S Score ≥4

Exclusion Criteria:

1. Certain psychiatric disorders (other than major depressive disorder)
2. First degree relative with or lifetime history of a psychotic disorder or bipolar disorder
3. Current diagnosis of alcohol or substance use disorder (excluding nicotine and caffeine
4. Any clinically significant unstable illness

Conditions2

DepressionMajor Depressive Disorder

Interventions1

Locations27 sites

Lighthouse Psychiatry
Gilbert, Arizona, 85234
Preferred Research Partners, Inc.
Little Rock, Arkansas, 72211
Kadima Neuropsychiatry Institute
Alexiss Rivas858-412-4130alexissr@kadimanp.com
UCSF Department of Neurology
Jennifer Mitchell510-985-3522LSDForDepression@ucsf.edu
Psychedelic Science Institute
Santa Monica, California, 90404
Ashley Ramos310-341-2882aramos@psychedelicsci.com

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