Otsuka Pharmaceutical Development & Commercialization

Open enrollment across a mixed-phase pipeline

According to ClinicalTrials.gov-derived indexes, Otsuka Pharmaceutical Development & Commercialization sits in the top decile of US sponsors by registered trial count (#145 of 15,742 sponsors by registered trial count).

221 total trials 8 currently recruiting 186 completed top decile by trial count

Otsuka Pharmaceutical Development & Commercialization: 221 sponsored US clinical trials, 8 recruiting.

Otsuka Pharmaceutical Development & Commercialization sponsors 221 registered US clinical trials on ClinicalTrials.gov, 8 of them currently recruiting, and 186 completed. 119 of these trials are in Phase 3-4 (later-stage) and 97 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Schizophrenia, with 12 trials.

Top-decile sponsor footprint

Otsuka Pharmaceutical Development & Commercialization ranks in the top decile of sponsors by registered trial count (#145 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Trial completion reliability score

D 63/100

186 of 208 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (89.4%), vs. national p10 68.4% / p90 100% among 1,234 sponsors with at least 10 decided trials. Still-open trials (Recruiting, Active-not-recruiting, Not-yet-recruiting) are excluded since they have not reached an outcome yet.

Open and recent trials

221 total, page 3 of 5

COMPLETED Phase 3

Long Term Safety of Immediate-release Tolvaptan in Subjects With Autosomal Dominant Polycystic Kidney Disease

NCT02251275

COMPLETED Phase 2

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

NCT02219009

COMPLETED Phase 3

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

COMPLETED Phase 2

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

NCT02068352

COMPLETED Phase 1

This is a Study to Determine the Effect of Multiple Doses of an Investigational Drug, Taken by Mouth, in People With Narcolepsy-cataplexy. Accepting Both Males and Females Ages of 18 Years to 55 Years. This Study Will be Conducted in the US and Will Require Approximately 13 Weeks Participation.

NCT05015673

COMPLETED

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

COMPLETED Phase 1

A Phase 1 Study Comparing AVP-786 With AVP-923

NCT02336347

COMPLETED Phase 1

A Study to Evaluate the Abuse Potential of EB-1020 Immediate-Release in Healthy Recreational Stimulant Users

NCT02144415

COMPLETED Phase 3

Efficacy and Safety of Tolvaptan in Subjects With Chronic Kidney Disease Between Late Stage 2 to Early Stage 4 Due to Autosomal Dominant Polycystic Kidney Disease

NCT02160145

COMPLETED Phase 4

Substudy of the Accuracy of Ingestible Event Marker (IEM) Detection by the Medical Information Device #1 (MIND1)

NCT02091882

COMPLETED

Open-Label Observational Pilot Study to Evaluate the Pharmacokinetics of Aripiprazole in Subjects With Bipolar 1 Disorder or Schizophrenia

NCT02050854

COMPLETED Phase 3

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

NCT02012218

COMPLETED Phase 3

Monotherapy Brexpiprazole (OPC-34712) Trial in the Treatment of Adults With Early-Episode Schizophrenia

NCT02013622

COMPLETED Phase 3

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

NCT02013531

COMPLETED Phase 3

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

COMPLETED Phase 2

Study of Flexible Doses of the Triple Reuptake Inhibitor EB-1020 Sustained Release (SR) in the Treatment of Adult Males With Attention-Deficit Hyperactivity Disorder

NCT01939353

COMPLETED Phase 1

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

NCT01994473

COMPLETED Phase 3

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

COMPLETED Phase 1

PET Trial to Assess the Receptor Occupancy of Brexpiprazole in Adult Subjects With Schizophrenia

NCT01854944

COMPLETED Phase 1

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

NCT01940159

COMPLETED Phase 3

A Phase 3, 12-week, Multicenter, Randomized, Double-blind, Placebo-controlled Trial to Evaluate the Efficacy, Safety, and Tolerability of 2 Fixed Doses of Brexpiprazole in the Treatment of Alzheimer's Agitation

NCT01862640

COMPLETED Phase 1

Safety and Tolerability Study of Aripiprazole IM Depot in Adult Subjects With Schizophrenia

NCT01909466

COMPLETED Phase 3

Open-label, Extension Study of Aripiprazole Intramuscular Depot (OPC-14597, Lu AF41155) in Patients With Schizophrenia

NCT01683058

COMPLETED Phase 3

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

NCT01727713

COMPLETED Phase 3

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

NCT01727726

COMPLETED Phase 3

Open-label Study to Evaluate the Effectiveness of an Intramuscular Formulation of Aripiprazole (OPC-14597) as Maintenance Treatment in Patients With Bipolar I Disorder

NCT01710709

COMPLETED Phase 3

Study Evaluating the Safety and Efficacy of Fixed-dose Once-daily Oral Aripiprazole in Children and Adolescents With Tourette's Disorder

NCT01727700

COMPLETED Phase 3

Efficacy, Safety, and Tolerability of Brexpiprazole (OPC-34712) as Maintenance Treatment in Adults With Schizophrenia

NCT01668797

COMPLETED Phase 3

Trial of Aripiprazole Intramuscular Depot (OPC-14597, Lu AF41155) in the Acute Treatment of Adults With Schizophrenia

NCT01663532

COMPLETED Phase 1

A Safety Study to Evaluate the Use and Effectiveness of a Topical Ointment to Treat Adults With Atopic Dermatitis

NCT01702181

COMPLETED Phase 3

Efficacy, Safety, and Tolerability of an Intramuscular Formulation of Aripiprazole (OPC-14597) as Maintenance Treatment in Bipolar I Patients

NCT01567527

COMPLETED Phase 1

Phase 1 Study to Assess the Safety/Tolerability of Brexpiprazole as Adjunctive Therapy in Elderly Subjects With Major Depressive Disorder

NCT01670279

COMPLETED Phase 1

A Phase 1, Open-label, Multiple Dose Escalation Trial to Determine Safety and Tolerability of Once Daily OPB-111077 in Subjects With Advanced Cancer

NCT01711034

COMPLETED Phase 1

An Open Label Study of Aripiprazole Intramuscular Injection in Subjects With Schizophrenia

NCT01646827

COMPLETED Phase 1

Safety and Tolerability Trial of Aripiprazole IM Depot Treatment in Adult Subjects With Schizophrenia Stabilized on Oral Antipsychotics Other Than Aripiprazole

NCT01552772

TERMINATED Phase 1

Ascending Dose Study of OPC-108459 Intravenous Infusions in Patients With Paroxysmal and Persistent Atrial Fibrillation

NCT01483183

COMPLETED Phase 3

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

NCT01416441

COMPLETED Phase 3

Safety and Tolerability of Oral OPC-34712 as Adjunctive Therapy in Adults With Major Depressive Disorder (the Orion Trial)

NCT01360866

COMPLETED Phase 2

8-Week Study of Tolvaptan Dose Forms in Autosomal Dominant Polycystic Kidney Disease (ADPKD)

NCT01451827

COMPLETED Phase 3

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

NCT01397786

COMPLETED Phase 3

Open-label Study to Compare Hospitalization Rates of Schizophrenic Patients Treated With Oral Antipsychotics Versus IM Depot Aripiprazole

NCT01432444

COMPLETED Phase 3

Efficacy & Safety Study of Once-weekly Oral Aripiprazole in Children and Adolescents With Tourette's Disorder (TD)

NCT01418352

COMPLETED Phase 3

Efficacy & Safety Study of Once-weekly Oral Aripiprazole in Children and Adolescents With Tourette's Disorder

NCT01418339

COMPLETED Phase 3

Efficacy Study of OPC-34712 in Adults With Acute Schizophrenia

NCT01393613

COMPLETED Phase 3

Study of the Effectiveness of Three Different Doses of OPC-34712 in the Treatment of Adults With Acute Schizophrenia

NCT01396421

COMPLETED Phase 1

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

NCT01423916

COMPLETED Phase 3

Efficacy & Safety Study of Oral Aripiprazole in Adolescents With Schizophrenia

NCT01149655

COMPLETED Phase 3

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

COMPLETED

Observational Study in Patients With Autosomal Dominant Polycystic Kidney Disease

NCT01430494

COMPLETED Phase 3

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

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Phase Distribution

PhaseTrial count
Phase 1 52
Phase 2 45
Phase 3 109
Phase 4 10

What is open in the Otsuka Pharmaceutical Development & Commercialization pipeline

8 recruiting of 221 indexed (4% open); 186 completed (84%).

Phase mix: 119 late (III/IV) vs 97 early (I/II) (balanced across stages).

Top condition: Schizophrenia (12 trials), 9 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Otsuka Pharmaceutical Development & Commercialization: open-pipeline peers nationwide

Peers matched on 221 registered trials and 4% open enrollment, not the therapeutic-area sidebar.

Otsuka Pharmaceutical Development & Commercialization sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 050100150200250 0%5%10%15%20%25% Total trials Recruiting share Otsuka Pharmaceutical Development & CommercializationNational Eye Institute (NEI)Florida State UniversityPenn State UniversityUniversity of LouisvilleTeva Branded Pharmaceutical Products R&DBausch Health AmericasHarvard Pilgrim Health CareSumitomo Pharma America
Otsuka Pharmaceutical Development & Commercialization sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Otsuka Pharmaceutical Development & Commercialization sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 221 trials (± recruiting share)

Sponsors near 4% open enrollment (± trial volume)

What to do with this Otsuka Pharmaceutical Development & Commercialization page

221 registered trials is a research-attention snapshot, not an endorsement of Otsuka Pharmaceutical Development & Commercialization or any single study.

  • 8 of Otsuka Pharmaceutical Development & Commercialization's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Schizophrenia is the condition Otsuka Pharmaceutical Development & Commercialization studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Schizophrenia trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Otsuka Pharmaceutical Development & Commercialization pipeline card: 221 registered trials from official public datasets.Report a data error.