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ClinicalTrials.gov public records Last synced Oct 6, 2026, 4:22 PM EDT

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Showing 25–48 of 249 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Otsuka Pharmaceutical Development & Commercialization, Inc. Clear all
Completed Phase 1 Interventional

Study to Determine the Pharmacokinetics, Safety & Tolerability of Aripiprazole in Adults With Schizophrenia

NCT03150771
View directory record Official record
Conditions
Schizophrenia
Interventions
Aripiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
3
States / cities
Little Rock, Arkansas • San Diego, California • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Oct 6, 2026, 4:22 PM EDT
Terminated Phase 3 Interventional Results available

Study to Evaluate the Efficacy, Safety and Tolerability of an Oral Aripiprazole/Escitalopram Combination Therapy in Participants With Major Depressive Disorder (MDD)

NCT01111565
View directory record Official record
Conditions
Major Depressive Disorder (MDD)
Interventions
Escitalopram, Aripiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
15
States / cities
Tucson, Arizona • Chino, California • Riverside, California + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2021 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

First-in-Human, Multiple Part Clinical Study of JNT-517 in Healthy Participants and in Participants With Phenylketonuria

NCT05781399
View directory record Official record
Conditions
Phenylketonuria
Interventions
JNT-517 Suspension, Placebo Suspension, JNT-517 Tablet, Placebo Tablet
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
11
States / cities
Gainesville, Florida • Tampa, Florida • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

Efficacy, Safety, and Tolerability of AVP-786 for the Treatment of Agitation in Participants With Dementia of the Alzheimer's Type

NCT02442778
View directory record Official record
Conditions
Agitation in Participants With Dementia of the Alzheimer's Type
Interventions
AVP-786-18, Placebo, AVP-786-28, AVP-786-42.63
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
50 Years to 90 Years
Enrollment
522 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
79
States / cities
Chandler, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 55 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2022 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

A Trial to Assess Brexpiprazole Versus Placebo for the Treatment of Acute Manic Episodes Associated With Bipolar I Disorder

NCT03259555
View directory record Official record
Conditions
Bipolar I Disorder, Manic Episode
Interventions
Brexpiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
29
States / cities
Little Rock, Arkansas • Rogers, Arkansas • Culver City, California + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effectiveness and Safety of Topical OPA-15406 Ointment to Treat Participants With Atopic Dermatitis

NCT02068352
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
OPA-15406, Vehicle ointment
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
10 Years to 70 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
20
States / cities
Los Angeles, California • San Diego, California • Denver, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 6, 2026, 4:22 PM EDT
Terminated Phase 2 Interventional Results available

Efficacy and Safety of Oral OPS-2071 in Participants With Crohn's Disease Showing Symptoms of Active Inflammation

NCT03850509
View directory record Official record
Conditions
Crohn's Disease
Interventions
OPS-2071, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
24
States / cities
Los Angeles, California • San Carlos, California • Colorado Springs, Colorado + 21 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 1 Interventional

A Study of SEP-380135 in Adults With Schizophrenia or Major Depressive Episode

NCT07549581
View directory record Official record
Conditions
Schizophrenia, Major Depressive Disorder (MDD), Bipolar Disorder
Interventions
SEP-380135, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Alamitos, California
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 6, 2026, 4:22 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 4, 2026 · Synced Oct 6, 2026, 4:22 PM EDT
Terminated Phase 2 Interventional Results available

Pilot Study of Tetomilast in Chronic Obstructive Pulmonary Disease (COPD) Associated With Emphysema

NCT00874497
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
tetomilast, placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
40 Years to 75 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
15
States / cities
Birmingham, Alabama • Torrance, California • Kissimmee, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

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

NCT00731549
View directory record Official record
Conditions
Schizophrenia
Interventions
Aripiprazole IM Depot
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,081 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
96
States / cities
Chandler, Arizona • Anaheim, California • Cerritos, California + 78 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2014 · Synced Oct 6, 2026, 4:22 PM 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 21, 2018 · Synced Oct 6, 2026, 4:22 PM EDT
Terminated Phase 4 Interventional Results available

Trial to Evaluate the Long-term Efficacy of Oral Aripiprazole in the Treatment of Pediatric Participants With Tourette's Disorder

NCT03661983
View directory record Official record
Conditions
Tourette's Disorder (TD)
Interventions
Aripiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
6 Years to 17 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
38
States / cities
Anaheim, California • Riverside, California • Santa Ana, California + 30 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2021 · Synced Oct 6, 2026, 4:22 PM 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 6, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

Sativex® for Relieving Persistent Pain in Participants With Advanced Cancer

NCT01262651
View directory record Official record
Conditions
Pain, Advanced Cancer
Interventions
Nabiximols, Placebo (GA-0034)
Drug
Lead sponsor
GW Pharmaceuticals Ltd
Industry
Eligibility
18 Years and older
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
25
States / cities
Phoenix, Arizona • El Cajon, California • Gilroy, California + 19 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 3 Interventional Results available

Safety and Tolerability of Once-daily Oral Aripiprazole in Children and Adolescents With Tourette's Disorder

NCT01727713
View directory record Official record
Conditions
Tourette's Disorder, Tic Disorder
Interventions
Aripiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
7 Years to 18 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
26
States / cities
Dothan, Alabama • Goodyear, Arizona • Orange, California + 23 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2015 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate the Efficacy, Safety, and Tolerability of Oral OPC-34712 and Aripiprazole for Treatment of Acute Schizophrenia

NCT00905307
View directory record Official record
Conditions
Schizophrenia
Interventions
OPC-34712, Placebo, Aripiprazole
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
459 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
16
States / cities
Little Rock, Arkansas • Escondido, California • Garden Grove, California + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2015 · Synced Oct 6, 2026, 4:22 PM EDT
Terminated Phase 3 Interventional Results available

An Extension Follow-up Trial to Evaluate the Long-term Safety of Children and Adolescent Participants With Euvolemic or Hypervolemic Hyponatremia

NCT02020278
View directory record Official record
Conditions
Hyponatremia
Interventions
Tolvaptan
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
4 Years to 18 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
11
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2020 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Results available

Study of Safety & Tolerability of OPC-34712 as Adjunctive Therapy in Treatment of Adult Patients With Major Depressive Disorder

NCT01447576
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
ADT, OPC-34712
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,036 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
32
States / cities
Arcadia, California • San Diego, California • Sherman Oaks, California + 28 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2015 · Synced Oct 6, 2026, 4:22 PM 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 29, 2015 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial to Test the Effects of Other Drugs on SEP-380135 in Healthy Men and Women

NCT07305779
View directory record Official record
Conditions
Schizophrenia
Interventions
SEP-380135, Quinidine Gluconate
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Trial to Assess a Wearable Patch's Functioning to Detect Medication Ingestion

NCT06372210
View directory record Official record
Conditions
Mental Disorder, Schizophrenia, Major Depressive Disorder, Bipolar I Disorder
Interventions
Placebo IEM tablet, Abilify MyCite®, D-Tect Patch
Drug · Device
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Garden Grove, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 1 Interventional

Trial to Assess the Bioavailability of Quetiapine Versus Seroquel® in Subjects With Schizophrenia or Bipolar Disorder

NCT03872596
View directory record Official record
Conditions
Bipolar Disorder, Schizophrenia
Interventions
Seroquel IR 300mg, Seroquel IR 25mg, Quetiapine Formulation A 300mg, Quetiapine Formulation B 300mg, Quetiapine Formulation 25mg
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Oct 6, 2026, 4:22 PM EDT
Completed Phase 4 Interventional

Study of Three Doses of Aripiprazole in Patients With Acute Schizophrenia

NCT00080327
View directory record Official record
Conditions
Schizophrenia
Interventions
Aripiprazole, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years and older
Enrollment
370 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Wallingford, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 11, 2013 · Synced Oct 6, 2026, 4:22 PM EDT