Study of Lumateperone as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
Eligible age
18–65 yrs
Accepts
All genders
Locations
13 states
Healthy volunteers
No
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About this study
This is a multicenter, randomized, double-blind, placebo-controlled parallel-group, fixed-dose study in patients with a primary diagnosis of MDD according to criteria of the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) who have an inadequate response to ongoing ADT.
Sponsor: Intra-Cellular Therapies, Inc.
You may qualify if…
- ✓ 1. Male or female patients between the ages of 18 and 65 years, inclusive;
- ✓ 2. Meets DSM-5 criteria for MDD (MDD with psychotic features will be acceptable) as confirmed by the Investigator or Sponsor-approved rater using the modified Structured Clinical Interview for DSM-5, Clinical Trials Version (SCID-5-CT) and meets all of the following criteria:
- ✓ 1. The start of the current major depressive episode (MDE) is at least 12 weeks but not more than 18 months prior to Screening;
- ✓ 2. Has at least moderate severity of illness based on rater-administered MADRS total score ≥ 24 at Screening and at Baseline;
- ✓ 3. Has at least moderate severity of illness based on CGI-S score ≥ 4 at Screening and at Baseline;
- ✓ 4. Has a Quick Inventory of Depressive Symptomatology-Self Report-16 item (QIDS-SR-16) score ≥ 14 at Screening and at Baseline;
- ✓ 5. Has sufficient history and medical record confirmation verifying the ADT and the current MDE is causing clinically significant distress or impairment in social, occupational, or other important areas of functioning.
- ✓ 3. Currently having an inadequate response (less than 50% improvement) to 2 or more ADTs in the current MDE as confirmed by the Investigator using the Antidepressant Treatment Response Questionnaire (ATRQ) and taking at least the minimum effective dose (per package insert) of one of the following antidepressants as monotherapy treatment for at least 6 weeks duration:
You may not qualify if…
- ✕ 1. Within the patient's lifetime, has a confirmed DSM-5 psychiatric diagnosis other than MDD, including:
- ✕ 1. Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder or other psychotic disorder;
- ✕ 2. Bipolar Disorder;
- ✕ 2. Within 6 months of Screening, has a confirmed DSM-5 psychiatric diagnosis other than MDD including:
- ✕ 1. Anxiety disorders such as Panic Disorder or Generalized Anxiety Disorder; Obsessive-compulsive Disorder; Posttraumatic Stress Disorder as primary diagnoses. Note: Anxiety symptoms may be allowed if secondary to MDD, provided these symptoms do not require concurrent treatment;
- ✕ 2. Eating disorder;
- ✕ 3. Substance use disorders (excluding nicotine);
- ✕ 4. Personality disorder of sufficient severity to have a major impact on the patient's psychiatric status;
Where it's recruiting
Huntsville
Pico Rivera
Farmington
Clermont · Hialeah · Miami · Tampa
Atlanta · Decatur
Kansas City · Overland Park
Methuen
O'Fallon
New York
Avon Lake · Cincinnati · Columbus
Philadelphia
Houston · Richardson
Source: ClinicalTrials.gov · NCT05850689 · last updated 2025-07-01