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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Brexpiprazole +ADT Clear all
Completed Phase 3 Interventional Results available

Brexpiprazole as Adjunctive Treatment in Patients With Major Depressive Disorder With an Inadequate Response to Antidepressant Treatment

NCT01838681
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Placebo, Brexpiprazole, ADT
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,986 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
8
States / cities
Little Rock, Arkansas • Cerritos, California • Temecula, California + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2017 · Synced Sep 17, 2026, 2:02 AM EDT
Completed Phase 3 Interventional Results available

Evaluation of the Safety of Adjunct Brexpiprazole in Elderly Patients With Major Depressive Disorder and an Inadequate Response to Antidepressant Treatment

NCT02400346
View directory record Official record
Conditions
Major Depression Disorder
Interventions
Adjunct brexpiprazole, ADT
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
65 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
13
States / cities
Arcadia, California • Miami, Florida • Orlando, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Sep 17, 2026, 2:02 AM EDT
Completed Phase 3 Interventional Results available

Study of the Safety and Efficacy of Two Fixed Doses of OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder (the Polaris Trial)

NCT01360632
View directory record Official record
Conditions
Depressive Disorder, Depression, Depressive Disorder, Major, Mood Disorders, Mental Disorders
Interventions
OPC-34712 + ADT, Placebo + ADT
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,539 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
52
States / cities
Birmingham, Alabama • Costa Mesa, California • Glendale, California + 49 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2015 · Synced Sep 17, 2026, 2:02 AM EDT
Terminated Phase 3 Interventional Results available

Long-term Safety and Tolerability Study of Brexpiprazole as Adjunctive Treatment in Patients With Major Depressive Disorder

NCT01944969
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Brexpiprazole
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Sep 17, 2026, 2:02 AM 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 17, 2026, 2:02 AM EDT
Completed Phase 2 Interventional Results available

Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder

NCT00797966
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
OPC-34712, Placebo, ADT
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
50
States / cities
Arcadia, California • Beverly Hills, California • Escondido, California + 43 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2016 · Synced Sep 17, 2026, 2:02 AM EDT
Completed Phase 3 Interventional Results available

Brexpiprazole as Adjunctive Therapy With Major Depressive Disorder and an Inadequate Response to Previous Adjunctive Therapy

NCT02012218
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
ADT, Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
24
States / cities
Garden Grove, California • Temecula, California • Orlando, Florida + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2015 · Synced Sep 17, 2026, 2:02 AM EDT
Terminated Phase 3 Interventional Results available

Efficacy and Safety of Brexpiprazole as Adjunctive Treatment in Elderly Patients With Major Depressive Disorder With an Inadequate Response to Antidepressant Treatment

NCT01837797
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Placebo, Brexpiprazole 1 mg, Brexpiprazole 3 mg
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
65 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
National City, California • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Sep 17, 2026, 2:02 AM EDT
Completed Phase 3 Interventional Results available

Study of Brexpiprazole as Adjunctive Treatment of Irritability in Patients With Major Depressive Disorder and an Inadequate Response to Antidepressant Therapy

NCT01942785
View directory record Official record
Conditions
Major Depressive Disorder, Irritability
Interventions
Brexpiprazole
Drug
Lead sponsor
H. Lundbeck A/S
Industry
Eligibility
18 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
15
States / cities
Tucson, Arizona • Glendale, California • Oakland, California + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2016 · Synced Sep 17, 2026, 2:02 AM EDT
Completed Phase 3 Interventional Results available

A Trial to Evaluate the Efficacy, Safety & Tolerability of Brexpiprazole in the Maintenance Treatment of Adults With Major Depressive Disorder

NCT03538691
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Brexpiprazole, Antidepressant therapy
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,149 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 Oct 11, 2023 · Synced Sep 17, 2026, 2:02 AM EDT
Completed Phase 3 Interventional Results available

Study of the Safety and Efficacy of Fixed Dose OPC-34712 as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder (the Pyxis Trial)

NCT01360645
View directory record Official record
Conditions
Depressive Disorder, Depression, Depressive Disorder, Major, Mood Disorders, Mental Disorders
Interventions
OPC-34712 + ADT, Placebo + ADT
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
826 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
37
States / cities
Arcadia, California • Beverly Hills, California • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2015 · Synced Sep 17, 2026, 2:02 AM EDT
Completed Phase 3 Interventional Results available

Study of the Safety and Efficacy of Fixed-dose Brexpiprazole (OPC-34712) as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder With and Without Anxious Distress

NCT02196506
View directory record Official record
Conditions
Depressive Disorder, Depression, Depressive Disorder, Major, Mood Disorders, Mental Disorders
Interventions
Placebo + ADT, Brexpiprazole +ADT
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
837 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
30
States / cities
Birmingham, Alabama • Beverly Hills, California • Denver, Colorado + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2018 · Synced Sep 17, 2026, 2:02 AM EDT