NCT05061706

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

93
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
480

participants targeted

Target at P50-P75 for phase_3 major-depressive-disorder

Timeline
Completed

Started Sep 2021

Typical duration for phase_3 major-depressive-disorder

Geographic Reach
7 countries

50 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 20, 2021

Completed
9 days until next milestone

First Posted

Study publicly available on registry

September 29, 2021

Completed
1 day until next milestone

Study Start

First participant enrolled

September 30, 2021

Completed
2.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 12, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 12, 2024

Completed
12 months until next milestone

Results Posted

Study results publicly available

March 25, 2025

Completed
Last Updated

May 9, 2025

Status Verified

April 1, 2025

Enrollment Period

2.5 years

First QC Date

September 20, 2021

Results QC Date

March 5, 2025

Last Update Submit

May 1, 2025

Conditions

Keywords

Adjunctive MDD Therapy

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

EXPERIMENTAL
Drug: Lumateperone

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Lumateperone 42 mg capsules administered orally, once daily.

Lumateperone 42 mg

Matching capsules administered orally, once daily.

Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Location

Clinical Site

Rogers, Arkansas, 72758, United States

Location

Clinical Site

Newport Beach, California, 92660, United States

Location

Clinical Site

Riverside, California, 92506, United States

Location

Clinical Site

San Diego, California, 92103, United States

Location

Clinical Site

Palm Bay, Florida, 32905, United States

Location

Clinical Site

West Palm Beach, Florida, 33407, United States

Location

Clinical Site

Atlanta, Georgia, 30329, United States

Location

Clinical Site

Overland Park, Kansas, 66211, United States

Location

Clinical Site

Gaithersburg, Maryland, 20877, United States

Location

Clinical Site

Flowood, Mississippi, 39232, United States

Location

Clinical Site

Brooklyn, New York, 11235, United States

Location

Clinical Site

Charlotte, North Carolina, 28211, United States

Location

Clinical Site

Allentown, Pennsylvania, 18104, United States

Location

Clinical Site

Media, Pennsylvania, 19063, United States

Location

Clinical Site

Plymouth Meeting, Pennsylvania, 19462, United States

Location

Clinical Site

Bellevue, Washington, 98007, United States

Location

Clinical Site

Buenos Aires, Ciudad Autonoma Buenos Aires, 1058 AAJ, Argentina

Location

Clinical Site

Córdoba, Córdoba Province, 5000FJF, Argentina

Location

Clinical Site

Córdoba, Córdoba Province, 5000, Argentina

Location

Clinical Site

Córdoba, Córdoba Province, 5009, Argentina

Location

Clinical Site

Córdoba, Córdoba Province, X5003DCE, Argentina

Location

Clinical Site

Mendoza, Mendoza Province, M5502AHV, Argentina

Location

Clinical Site

Rosario, Santa Fe Province, S2000QJI, Argentina

Location

Clinical Site

Buenos Aires, C10154ABQ, Argentina

Location

Clinical Site

Plovdiv, 4004, Bulgaria

Location

Clinical Site

Sofia, 1408, Bulgaria

Location

Clinical Site

Sofia, 1680, Bulgaria

Location

Clinical Site

Targovishte, 7700, Bulgaria

Location

Clinical Site

Helsinki, 00100, Finland

Location

Clinical Site

Oulu, 90100, Finland

Location

Clinical Site

Bad Homburg, 61348, Germany

Location

Clinical site

Freiburg im Breisgau, 79104, Germany

Location

Clinical Site

Hamburg, 20253, Germany

Location

Clinical Site

Mittweida, 09648, Germany

Location

Clinical Site

Schwerin, 19053, Germany

Location

Clinical Site

Westerstede, 26655, Germany

Location

Clinical Site

Bełchatów, 97-400, Poland

Location

Clinical Site

Bialystok, 15-404, Poland

Location

Clinical Site

Bialystok, 15-464, Poland

Location

Clinical Site

Bialystok, 15-879, Poland

Location

Clinical Site

Bydgoszcz, 85-080, Poland

Location

Clinical Site

Gdansk, 80-546, Poland

Location

Clinical Site

Gorlice, 38-300, Poland

Location

Clinical Site

Leszno, 64-100, Poland

Location

Clinical Site

Pruszcz Gdański, 83-000, Poland

Location

Clinical Site

Torun, 87-100, Poland

Location

Clinical Site

Wroclaw, 50-414, Poland

Location

Clinical Site

Lund, 22222, Sweden

Location

Clinical Site

Stockholm, 11329, Sweden

Location

MeSH Terms

Conditions

Depressive Disorder, Major

Interventions

lumateperone

Condition Hierarchy (Ancestors)

Depressive DisorderMood DisordersMental Disorders

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

Locations