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Completed Phase 4 Interventional Results available

A Study of Brexpiprazole Plus Ketamine in Treatment-Resistant Depression (TRD)

ClinicalTrials.gov ID: NCT03149991

Public ClinicalTrials.gov record NCT03149991. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 7:42 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Double-Blind, Placebo-Controlled Study of Brexpiprazole Plus Ketamine in Treatment-Resistant Depression (TRD)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a multi-site, double-blind, placebo-controlled study of the acute efficacy of brexpiprazole or placebo in combination with intranasal ketamine added to ongoing, stable, and adequate antidepressant therapy (ADT) in the treatment of adults with Major Depressive Disorder with Treatment Resistant Depression.

Study identification

NCT ID
NCT03149991
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Enrollment
51 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 14, 2017 (Actual)
Primary completion
Mar 31, 2019 (Actual)
Completion
Jun 15, 2019 (Actual)
Last update posted
Jul 24, 2020

2017 – 2019

United States locations

U.S. sites
6
U.S. states
4
U.S. cities
6
Facility City State ZIP Site status
Collaborative Neuroscience Network, LLC. Garden Grove California 92845 —
Pacific Research Partners, LLC Oakland California 94607 —
Rush University Medical Center Chicago Illinois 60612 —
Massachusetts General Hospital, Depression Clinical and Research Program Boston Massachusetts 02114 —
Nathan Kline Institute for Psychiatric Research Orangeburg New York 10562 —
Montefiore Medical Center The Bronx New York 10467 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03149991, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 24, 2020 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03149991 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →