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Showing 25–37 of 13 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: OPC-34712 Clear all
Completed Phase 2Phase 3 Interventional Results available

Evaluating the Safety and Tolerability of Brexpiprazole in the Treatment of Adults With Borderline Personality Disorder (BPD)

NCT04186403
View directory record Official record
Conditions
Borderline Personality Disorder
Interventions
Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 3 Interventional Results available

Brexpiprazole (OPC-34712) as an Adjunctive Treatment in Active Adults, 18 to 35 Years Old, With Major Depressive Disorder Who Are in a School or Work Environment

NCT02013609
View directory record Official record
Conditions
MDD
Interventions
Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 35 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
24
States / cities
Cerritos, California • Costa Mesa, California • Garden Grove, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2016 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 3 Interventional Results available

A Trial to Evaluate the Safety, Efficacy, and Tolerability of Brexpiprazole in Treating Agitation Associated With Dementia of the Alzheimer's Type

NCT03548584
View directory record Official record
Conditions
Agitation Associated With Alzheimer's Dementia, Alzheimer Dementia
Interventions
Brexpiprazole, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
55 Years to 90 Years
Enrollment
345 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 17, 2023 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 3 Interventional Results available

Trial to Evaluate the Short-term Safety & Efficacy of Brexpiprazole Monotherapy in the Treatment of Adolescents With Schizophrenia

NCT03198078
View directory record Official record
Conditions
Schizophrenia
Interventions
Brexpiprazole (OPC-34712), Aripiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 19, 2023 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 1 Interventional

Study to Assess the Safety, Tolerability and Pharmacokinetics of Oral Brexpiprazole (OPC- 34712) in Adolescents With Schizophrenia

NCT02411695
View directory record Official record
Conditions
Schizophrenia
Interventions
Brexpiprazole (OPC-34712)
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
10
States / cities
Little Rock, Arkansas • Culver City, California • Orange, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 2 Interventional Results available

Study of the Safety and Efficacy of OPC-34712 as a Complementary Therapy in the Treatment of Adult Attention Deficit/Hyperactivity Disorder

NCT01074294
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder
Interventions
OPDC-34712, Placebo, Stimulant Therapy
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
740 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
35
States / cities
Little Rock, Arkansas • Beverly Hills, California • Irvine, California + 32 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 3 Interventional Results available

A Study of Flexible-dose Brexpiprazole as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder, the Delphinus Trial

NCT01727726
View directory record Official record
Conditions
Depressive Disorder, Depression, Depressive Disorder, Major, Mood Disorders, Mental Disorders
Interventions
Brexpiprazole, Seroquel XR, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
2,182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
44
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study Evaluating the of OPC-34712 in Subjects With Normal Hepatic Function and Hepatically Impaired Subjects

NCT01299454
View directory record Official record
Conditions
Schizophrenia
Interventions
OPC-34712
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
3
States / cities
Miami, Florida • Minneapolis, Minnesota • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 3 Interventional Results available

Safety and Tolerability Study of Flexible Dosing of Brexpiprazole in the Treatment of Subjects With Agitation Associated With Dementia of the Alzheimer's Type

NCT01922258
View directory record Official record
Conditions
Agitation Associated With, Alzheimer's Disease, Alzheimer's Type, Mental Disorder, Nervous System Diseases
Interventions
Brexpiprazole, OPC-34712
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
55 Years to 90 Years
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
28
States / cities
Imperial, California • Lakewood, California • Long Beach, California + 21 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 3 Interventional Results available

Safety and Tolerability Study of Oral OPC-34712 as Maintenance Treatment in Adults With Schizophrenia

NCT01397786
View directory record Official record
Conditions
Schizophrenia
Interventions
OPC-34712
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,044 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
56
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Springdale, Arkansas + 46 more
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Sep 27, 2026, 3:01 PM EDT
Completed No phase listed Observational

Safety Follow-up Study for Subjects With Agitation Associated With Dementia of the Alzheimer's Type Who Previously Participated in a Double-blind Trial of Brexpiprazole or Placebo

NCT02192554
View directory record Official record
Conditions
Agitation Associated With Alzheimer's Disease, Alzheimer's Type, Mental Disorder, Nervous System Diseases
Interventions
Not listed
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
Not listed
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
28
States / cities
Tuscaloosa, Alabama • Costa Mesa, California • Lakewood, California + 21 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2018 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 3 Interventional Results available

Safety and Tolerability of Open-Label Flexible-dose Brexpiprazole as Maintenance Treatment in Adolescents With Schizophrenia

NCT03238326
View directory record Official record
Conditions
Schizophrenia
Interventions
Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
17
States / cities
Dothan, Alabama • Anaheim, California • Culver City, California + 14 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Sep 27, 2026, 3:01 PM EDT
Completed Phase 1 Interventional Results available

Trial to Evaluate the Effects of OPC-34712 on QT/QTc in Subjects With Schizophrenia or Schizoaffective Disorder

NCT01423916
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
OPC-34712 (4mg), Moxifloxacin, OPC-34712 (12mg), Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
8
States / cities
Long Beach, California • San Diego, California • Fort Lauderdale, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2015 · Synced Sep 27, 2026, 3:01 PM EDT