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NCT05200936PHASE2COMPLETED

Safety and Efficacy of Low Dose MM120 for ADHD Proof of Concept Trial

Safety and Efficacy of Repeated Low Dose d-Lysergic Acid Diethylamide (LSD) D-tartrate (MM120) as Treatment for ADHD in Adults: a Multi-center, Randomized, Double-blind, Placebo-controlled Phase 2a Proof of Concept Trial

Sponsor: Definium Therapeutics US, Inc.

No open prediction endpoints

Endpoints are classified and published by ProgramSignal analysts.

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Key Facts

Study type
INTERVENTIONAL
Conditions
ADHD, Attention Deficit Disorder
Interventions
MM120, Placebo
Enrollment
53 participants
Primary completion
Nov 2023
Study completion
Dec 2023
First posted
Jan 2022
Last updated
Feb 2026

Primary Endpoints (CT.gov)

Change in Adult Attention-Deficit/Hyperactivity Disorder (ADHD) Symptoms

Time frame: 6 weeks

Secondary Endpoints

Changes in Adult Attention-Deficit/Hyperactivity Disorder (ADHD) Investigator Symptom Rating Scale (AISRS) Symptoms

Number of Patients Who Experience a Decrease in the Clinical Global Impressions Scale (CGI-S)

Change From Baseline in in Clinical Global Impressions Scale (CGI-S)

Eligibility Criteria

Inclusion Criteria: * Male and female outpatients ≥ 18 and ≤ 65 years of age at Screening * Patients with the diagnosis of Diagnostic and Statistical Manual of Mental Disorders-5 (DSM-5) ADHD, as determined by clinical evaluation and confirmed by structured interview (MINI). * Adequate organ function. * Able to understand the study procedures and understand risks associated with the study, and sign written informed consent to participate in the study. * Must be willing to refrain from more than 6 standard alcoholic drinks a week, more than 10 cigarettes a day, and more than 2 cups of coffee a day throughout the study treatment period (6 weeks) and until the last study visit is complete. Exclusion Criteria: * Past or present diagnosis of a primary psychotic disorder or first degree relative with a psychotic disorder. * Past or present bipolar disorder (DSM-5). * Any lifetime history of suicide attempt. * Once Informed Consent form is signed, not willing or able to stop any prescripti

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✦ Analyst Commentary

Expert commentary on why this trial matters and what to watch for.

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Source

Open on ClinicalTrials.gov