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ClinicalTrials.gov public records Last synced Oct 17, 2026, 4:32 AM EDT

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Showing 1–24 of 250 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Otsuka Pharmaceutical Development & Commercialization, Inc. Clear all
Completed Phase 2 Interventional Results available

Multicenter, Open-label, Safety and Tolerability Study

NCT01649557
View directory record Official record
Conditions
Schizophrenia
Interventions
OPC-34712
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 67 Years
Enrollment
244 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
16
States / cities
Little Rock, Arkansas • Escondido, California • Garden Grove, California + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2015 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

Tolvaptan Open-label Pilot Efficacy, Tolerability, and Safety Study in Autosomal Dominant Polycystic Kidney Disease (ADPKD)

NCT00413777
View directory record Official record
Conditions
Polycystic Kidney, Autosomal Dominant
Interventions
Tolvaptan
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
11
States / cities
Denver, Colorado • Jacksonville, Florida • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 17, 2026, 4:32 AM EDT
Terminated Phase 4 Interventional Results available

A Trial to Measure the Difference in All-cause Hospitalizations for Participants Who Are Using Abilify MyCite Versus Virtual Matched Controls in Adults With Schizophrenia, Bipolar 1 Disorder, and Major Depressive Disorder

NCT03643159
View directory record Official record
Conditions
Schizophrenia, Bipolar 1 Disorder, Major Depressive Disorder
Interventions
Abilify MyCite - Digital Medicine System, Aripiprazole or other oral antipsychotics
Combination Product · Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 63 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
5
States / cities
Santa Rosa, California • Decatur, Georgia • Smyrna, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2019 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

A Trial of Brexpiprazole in the Treatment of Borderline Personality Disorder

NCT04100096
View directory record Official record
Conditions
Borderline Personality Disorder
Interventions
Brexpiprazole, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
332 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
66
States / cities
Bentonville, Arkansas • Bellflower, California • Beverly Hills, California + 56 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2024 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

Intramuscular Depot Formulation of Aripiprazole as Maintenance Treatment in Patients With Schizophrenia

NCT00706654
View directory record Official record
Conditions
Schizophrenia
Interventions
Aripiprazole depot 300 or 400 mg, Aripiprazole 10-30 mg orally, Aripiprazole depot 25 or 50 mg, Placebo depot, Placebo tablets
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
937 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
39
States / cities
Cerritos, California • Escondido, California • Garden Grove, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 4 Interventional

Study of Aripiprazole in Subjects With Alcoholism

NCT00082199
View directory record Official record
Conditions
Alcoholism
Interventions
Aripiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
21 Years to 65 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
14
States / cities
Farmington, Connecticut • New Haven, Connecticut • Indianapolis, Indiana + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 11, 2013 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 1 Interventional

A Clinical Study That Will Assess the Effect of SEP-363856 and Prior Antipsychotic (PA) Standard of Care on Glucose and Regulation of Insulin in Patients With Schizophrenia

NCT05463770
View directory record Official record
Conditions
Schizophrenia
Interventions
SEP-363856
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
8
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Long Beach, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Oct 17, 2026, 4:32 AM 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 2, 2023 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

A Trial to Evaluate the Safety and Tolerability of Brexpiprazole in the Treatment of Participants With Bipolar I Disorder.

NCT03287869
View directory record Official record
Conditions
Bipolar I Disorder, Acute Mania
Interventions
Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
44
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Bellflower, California + 37 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

Brexpiprazole as Combination Therapy With Sertraline in the Treatment of Adults With Post-traumatic Stress Disorder

NCT04174170
View directory record Official record
Conditions
Post Traumatic Stress Disorder
Interventions
Brexpiprazole, Sertraline, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
591 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

Open-label Study to Assess Usability of the Medical Information Device #1 (MIND1) System in Adults With Schizophrenia On Oral Aripiprazole

NCT02219009
View directory record Official record
Conditions
Schizophrenia, Mental Disorder, Nervous System Diseases
Interventions
MIND1 System
Device
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
6
States / cities
Cerritos, California • Garden Grove, California • Oceanside, California + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 17, 2026, 4:32 AM EDT
Recruiting Phase 3 Interventional

A Trial of the Efficacy and Safety of Fixed Doses of SEP-363856 in Adults With Generalized Anxiety Disorder

NCT07759128
View directory record Official record
Conditions
Generalized Anxiety Disorder
Interventions
SEP-363856, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
576 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
6
States / cities
Tucson, Arizona • Gainesville, Florida • Jacksonville, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 17, 2026, 4:32 AM 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 29, 2015 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

Brexpiprazole (OPC-34712) as an Adjunctive Treatment in Adults With Major Depressive Disorder and Anxiety Symptoms

NCT02013531
View directory record Official record
Conditions
Major Depressive Disorder, Anxiety
Interventions
Brexpiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
21
States / cities
Tuscon, Arizona • Garden Grove, California • Oceanside, California + 18 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2016 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Test the Effects of Itraconazole and Carbamazepine on OPC-167832 in Healthy Men and Women

NCT07542847
View directory record Official record
Conditions
Healthy Volunteers
Interventions
OPC-167832, Itraconazole, Carbamazepine
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional

A Trial of Centanafadine Efficacy and Safety in Adolescents With Attention- Deficit/Hyperactivity Disorder

NCT05257265
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
Centanafadine Hydrochloride, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
459 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional

Broad Effectiveness: Study With Aripiprazole

NCT00036361
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Aripiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
444 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
Wallingford, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 11, 2013 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

Dasatinib Added to Gemcitabine for Subjects With Locally-advanced Pancreatic Cancer

NCT01395017
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
dasatinib, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
11
States / cities
Birmingham, Alabama • Los Angeles, California • Orange, California + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2016 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional

Study to Compare the Effects of Two Dosages of Tolvaptan in Congestive Heart Failure Patients

NCT00043771
View directory record Official record
Conditions
Congestive Heart Failure
Interventions
Tolvaptan
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002
U.S. locations
9
States / cities
Bakersfield, California • San Diego, California • Miami, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 17, 2026, 4:32 AM 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 4, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Trial to Examine if Repinatrabit is Processed Differently in Adults With Reduced Liver or Kidney Function Compared to Adults With Normal Liver and Kidney Function

NCT07713758
View directory record Official record
Conditions
Phenylketonuria
Interventions
Repinatrabit
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial to Assess How Centanafadine Interacts With Stimulants in the Body

NCT07314333
View directory record Official record
Conditions
ADHD
Interventions
Centanafadine, Methylphenidate, Lisdexamfetamine
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

Brexpiprazole as Combination Therapy With Sertraline in Treatment of Adults With PTSD

NCT04124614
View directory record Official record
Conditions
Post Traumatic Stress Disorder
Interventions
Brexpiprazole, Sertraline, Placebo
Drug · Other
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 1 Interventional

Study Assessing the Safety, Tolerability, and Pharmacokinetics of SEP-363856 in Male and Female Subjects With Schizophrenia

NCT01994473
View directory record Official record
Conditions
Schizophrenia
Interventions
SEP-363856, Placebo, SEP-363856 Open Label
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Glendale, California • Long Beach, California
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Oct 17, 2026, 4:32 AM EDT