Multicenter Study of Lumateperone as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
A Randomized, Double-Blind, Placebo-controlled Multicenter Study to Assess the Efficacy and Safety of Lumateperone as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
1 other identifier
interventional
480
7 countries
50
Brief Summary
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3 major-depressive-disorder
Started Sep 2021
Typical duration for phase_3 major-depressive-disorder
50 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 20, 2021
CompletedFirst Posted
Study publicly available on registry
September 29, 2021
CompletedStudy Start
First participant enrolled
September 30, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 12, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
April 12, 2024
CompletedResults Posted
Study results publicly available
March 25, 2025
CompletedMay 9, 2025
April 1, 2025
2.5 years
September 20, 2021
March 5, 2025
May 1, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Montgomery-Asberg Depression Rating Scale
Change from baseline to Day 43 in the Montgomery-Åsberg Depression Rating Scale (MADRS) total score. The MADRS is a clinician-rated 10 item scale to assess depressive symptoms. Each item is rated on a 7-point scale from 0-6. The total score ranges from 0 to 60 with a higher score indicating increased severity of depressive symptoms.
Day 43
Secondary Outcomes (1)
Clinical Global Impression Scale-Severity
Day 43
Study Arms (2)
Lumateperone 42 mg
EXPERIMENTALPlacebo
PLACEBO COMPARATORInterventions
Eligibility Criteria
You may qualify if:
- Male or female patients between the ages of 18 and 65 years, inclusive;
- Meets DSM-5 criteria for MDD (MDD with psychotic features will be acceptable) as confirmed by the Investigator or Sponsor-approved rater using the MINI and meets all of the following criteria:
- The start of the current major depressive episode (MDE) is at least 8 weeks but not more than 18 months prior to Screening;
- Has at least moderate severity of illness based on rater-administered MADRS total score ≥ 24 at Screening and at Baseline;
- Has at least moderate severity of illness based on CGI-S score ≥ 4 at Screening (Visit 1) and at Baseline;
- Has a Quick Inventory of Depressive Symptomatology-Self Report-16 item (QIDS-SR-16) score ≥ 14 at Screening and at Baseline;
- 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.
- Currently having an inadequate response to ADT (less than 50% improvement) as confirmed by the Investigator 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:
- citalopram/escitalopram
- fluoxetine
- paroxetine
- sertraline
- duloxetine
- levomilnacipran/milnacipran (if locally approved for MDD)
- venlafaxine/desvenlafaxine
- +3 more criteria
You may not qualify if:
- Within the patient's lifetime, has a confirmed DSM-5 psychiatric diagnosis other than MDD, including:
- Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder or other psychotic disorder;
- Bipolar Disorder;
- Within 6 months of Screening, has a confirmed DSM-5 psychiatric diagnosis other than MDD including:
- Anxiety disorders such as Panic Disorder or Generalized Anxiety Disorder; Obsessive-compulsive Disorder; Posttraumatic Stress Disorder as primary diagnoses.
- Eating disorder;
- Substance use disorders (excluding nicotine);
- Personality disorder of sufficient severity to have a major impact on the patient's psychiatric status;
- Within 12 months of Screening, has had any other psychiatric condition (other than MDD) that has been the main focus of treatment;
- The patient experiences a ≥ 25% decrease in the MADRS total score between Screening and Baseline;
- The patient experiences a ≥ 25% decrease in the QIDS-SR-16 total score between Screening and Baseline;
- In the opinion of the Investigator, the patient has a significant risk for suicidal behavior during participation in the study or:
- At Screening, the patient scores "yes" on Suicidal Ideation Items 4 or 5 of the Columbia-Suicide Severity Rating Scale (C-SSRS) within 6 months prior to Screening, or at Baseline, the patient scores "yes" on Suicidal Ideation Items 4 or 5 since the Screening Visit;
- At Screening, the patient has had 1 or more suicide attempts within 2 years prior to Screening;
- At Screening or Baseline, the patient scores ≥ 5 on MADRS Item 10 (Suicidal Thoughts), or
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (50)
Clinical Site
Little Rock, Arkansas, 72211, United States
Clinical Site
Rogers, Arkansas, 72758, United States
Clinical Site
Newport Beach, California, 92660, United States
Clinical Site
Riverside, California, 92506, United States
Clinical Site
San Diego, California, 92103, United States
Clinical Site
Palm Bay, Florida, 32905, United States
Clinical Site
West Palm Beach, Florida, 33407, United States
Clinical Site
Atlanta, Georgia, 30329, United States
Clinical Site
Overland Park, Kansas, 66211, United States
Clinical Site
Gaithersburg, Maryland, 20877, United States
Clinical Site
Flowood, Mississippi, 39232, United States
Clinical Site
Brooklyn, New York, 11235, United States
Clinical Site
Charlotte, North Carolina, 28211, United States
Clinical Site
Allentown, Pennsylvania, 18104, United States
Clinical Site
Media, Pennsylvania, 19063, United States
Clinical Site
Plymouth Meeting, Pennsylvania, 19462, United States
Clinical Site
Bellevue, Washington, 98007, United States
Clinical Site
Buenos Aires, Ciudad Autonoma Buenos Aires, 1058 AAJ, Argentina
Clinical Site
Córdoba, Córdoba Province, 5000FJF, Argentina
Clinical Site
Córdoba, Córdoba Province, 5000, Argentina
Clinical Site
Córdoba, Córdoba Province, 5009, Argentina
Clinical Site
Córdoba, Córdoba Province, X5003DCE, Argentina
Clinical Site
Mendoza, Mendoza Province, M5502AHV, Argentina
Clinical Site
Rosario, Santa Fe Province, S2000QJI, Argentina
Clinical Site
Buenos Aires, C10154ABQ, Argentina
Clinical Site
Plovdiv, 4004, Bulgaria
Clinical Site
Sofia, 1408, Bulgaria
Clinical Site
Sofia, 1680, Bulgaria
Clinical Site
Targovishte, 7700, Bulgaria
Clinical Site
Helsinki, 00100, Finland
Clinical Site
Oulu, 90100, Finland
Clinical Site
Bad Homburg, 61348, Germany
Clinical site
Freiburg im Breisgau, 79104, Germany
Clinical Site
Hamburg, 20253, Germany
Clinical Site
Mittweida, 09648, Germany
Clinical Site
Schwerin, 19053, Germany
Clinical Site
Westerstede, 26655, Germany
Clinical Site
Bełchatów, 97-400, Poland
Clinical Site
Bialystok, 15-404, Poland
Clinical Site
Bialystok, 15-464, Poland
Clinical Site
Bialystok, 15-879, Poland
Clinical Site
Bydgoszcz, 85-080, Poland
Clinical Site
Gdansk, 80-546, Poland
Clinical Site
Gorlice, 38-300, Poland
Clinical Site
Leszno, 64-100, Poland
Clinical Site
Pruszcz Gdański, 83-000, Poland
Clinical Site
Torun, 87-100, Poland
Clinical Site
Wroclaw, 50-414, Poland
Clinical Site
Lund, 22222, Sweden
Clinical Site
Stockholm, 11329, Sweden
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- ITI Clinical Trials
- Organization
- Intra-Cellular Therapies, Inc.
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 20, 2021
First Posted
September 29, 2021
Study Start
September 30, 2021
Primary Completion
April 12, 2024
Study Completion
April 12, 2024
Last Updated
May 9, 2025
Results First Posted
March 25, 2025
Record last verified: 2025-04
Data Sharing
- IPD Sharing
- Will not share