Sumitomo Pharma America

Open enrollment across a mixed-phase pipeline

According to ClinicalTrials.gov-derived indexes, Sumitomo Pharma America sits in the top decile of US sponsors by registered trial count (#172 of 15,742 sponsors by registered trial count).

168 total trials 6 currently recruiting 142 completed top decile by trial count

Sumitomo Pharma America: 168 sponsored US clinical trials, 6 recruiting.

Sumitomo Pharma America sponsors 168 registered US clinical trials on ClinicalTrials.gov, 6 of them currently recruiting, and 142 completed. 83 of these trials are in Phase 3-4 (later-stage) and 80 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Schizophrenia, with 4 trials.

Top-decile sponsor footprint

Sumitomo Pharma America ranks in the top decile of sponsors by registered trial count (#172 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

142 of 159 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (89.3%), 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

168 total, page 1 of 4

RECRUITING Phase 1

How [14C]-DSP-5336 is Absorbed, Broken Down, and Removed From the Body After a Single Oral Dose in Patients With Advanced Blood Cancers

NCT07444268

RECRUITING Phase 1

A Study to Investigate the Safety of DSP-3077 After a Unilateral Eye Injection in Male and Female Participants 18 Years of Age or Older With Retinitis Pigmentosa

NCT06891885

RECRUITING Phase 1

A Multicenter Study to Evaluate Safety, Tolerability, and Clinical Responses of DSP-1083 Into Subjects With Parkinson's Disease

NCT06753331

RECRUITING Phase 1

SMP-3124LP in Adults With Advanced Solid Tumors

NCT06526819

RECRUITING Phase 1

A Study of DSP-5336 in Relapsed/Refractory AML/ ALL With or Without MLL Rearrangement or NPM1 Mutation

NCT04988555

RECRUITING Phase 1

A Study of Oral Nuvisertib (TP-3654) in Patients With Myelofibrosis

NCT04176198

ACTIVE NOT RECRUITING

A Prospective, Observational Study in Adults With Retinitis Pigmentosa (RP)

NCT06517940

ACTIVE NOT RECRUITING

A Multi-Center, Prospective, Observational Study of Patients Being Treated With ORGOVYX

NCT05467176

ACTIVE NOT RECRUITING Early Phase 1

Study of DSP-0390 in Patients With Recurrent High-Grade Glioma

NCT05023551

COMPLETED Phase 1

TP-3654 Food Effect Study

NCT07492355

COMPLETED NA

A Randomized, Controlled Study of Two At-Home Self-Guided Virtual Reality Interventions for Adults With Social Anxiety Disorder.

NCT06037668

COMPLETED Phase 1

Assessment of Relative Bioavailability and Effect of Food on Capsule and Tablet Formulations of TP-3654

NCT06389955

COMPLETED Phase 3

Randomized Study to Evaluate MACE in Patients With Prostate Cancer Treated With Relugolix or Leuprolide Acetate

NCT05605964

TERMINATED Phase 3

A Clinical Trial to Determine the Long-term Safety and Tolerability of an Investigational Drug in People With Major Depressive Episode Associated With Bipolar I Disorder (Bipolar I Depression).

NCT05227209

TERMINATED Phase 3

A Clinical Study of an Investigational Drug for the Treatment of Major Depressive Episode Associated With Bipolar I Disorder.

NCT05169710

COMPLETED Phase 1

Study of Relugolix in Men With Metastatic Castration-Sensitive Prostate Cancer or Non-Metastatic or Metastatic Castration-Resistant Prostate Cancer

NCT04666129

TERMINATED Phase 1

A Study of TP-0184 to Treat Anemia in Adults With IPSS-R Low or Intermediate Risk MDS

NCT04623996

COMPLETED Phase 1

Phase 1 Study of Oral TP-1454

NCT04328740

COMPLETED Phase 1

Rollover Study to Provide Continued Access to Napabucasin for Patients Enrolled in Boston Biomedical-sponsored Protocols

NCT04299880

TERMINATED Phase 2

Study of Alvocidib in Patients With Relapsed/Refractory AML Following Treatment With Venetoclax Combination Therapy

NCT03969420

TERMINATED Phase 1

Phase 1/2 Study of TP-0903 (an Inhibitor of AXL Kinase) in Patients With Previously Treated CLL

NCT03572634

COMPLETED Phase 1

Study of TP-3654 in Patients With Advanced Solid Tumors

NCT03715504

TERMINATED Phase 1

Phase 1, First-in-human Study of Oral TP-1287 in Patients with Advanced Solid Tumors

NCT03604783

TERMINATED Phase 1

A Phase 1b/2 Study of Alvocidib Plus Decitabine or Azacitidine in Patients With MDS

NCT03593915

COMPLETED Phase 1

First-in-human Study of Oral TP-0184 in Patients With Advanced Solid Tumors

NCT03429218

COMPLETED Phase 2

A Clinical Study to Test the Effectiveness of an Investigational Drug to Treat People That Have Major Depressive Episodes When They Have Bipolar 1 Depression

NCT03543410

COMPLETED Phase 1

A Study to Determine the Maximum Tolerated Dose of an Investigational Drug in Subjects With Schizophrenia

NCT03627195

TERMINATED Phase 1

A Study of DSP-0509 in Patients With Advanced Solid Tumors to Determine the Safety and the Pharmacokinetic Profile

NCT03416335

COMPLETED Phase 1

A Study to Evaluate the Mass Balance of 14C-Napabucasin in Healthy Adult Male Subjects

NCT03525405

TERMINATED Phase 1

A Study of DSP-0337 in Patients With Advanced Solid Tumors to Determine the Safety and the Pharmacokinetic Profile

NCT03416816

TERMINATED Phase 1

A Study of DSP-7888 Dosing Emulsion in Combination With Immune Checkpoint Inhibitors in Adult Patients With Advanced Solid Tumors

NCT03311334

COMPLETED Phase 3

A Study of DSP-7888 Dosing Emulsion in Combination With Bevacizumab in Patients With Recurrent or Progressive Glioblastoma Following Initial Therapy

NCT03149003

COMPLETED Phase 1

Ph I Study of Alvocidib and Cytarabine/Daunorubicin (7+3) in Patients With Newly Diagnosed Acute Myeloid Leukemia (AML).

NCT03298984

COMPLETED Phase 2

A Study That Compares the Extent to Which Apomorphine Becomes Available in the Body After Taking Either an Investigational Drug Containing Apomorphine or Apomorphine That is Injected Under the Skin in People With PD Complicated by "OFF" Episodes

NCT03292016

COMPLETED Phase 2

A Cardiac Safety Study of an Investigational Drug to See How if Affects the Heart in People With Parkinson's Disease Complicated by Motor Fluctuations "OFF" Episodes

NCT03187301

COMPLETED Phase 3

A Study to Evaluate the Efficacy and Safety of Dasotraline in Children 6 to 12 Years Old With Attention-Deficit Hyperactivity Disorder (ADHD) in a Simulated Classroom Setting.

NCT03231800

COMPLETED Phase 4

A Study of a Drug to be Used in Addition With Another Drug to Treat Adults With Uncontrolled Partial-onset Seizures

NCT03116828

COMPLETED Phase 1

A Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Drug Interaction Potential of Napabucasin in Healthy Volunteers

NCT03411122

COMPLETED Phase 3

A Study to Evaluate a Drug (Dasotraline) on the Safety, Effectiveness and How Well the Body Tolerates it, in Adults With Moderate to Severe Binge Eating Disorder

NCT03107026

COMPLETED Phase 1

First-in-human Study of Oral TP-0903 (a Novel Inhibitor of AXL Kinase) in Patients With Advanced Solid Tumors

NCT02729298

COMPLETED Phase 3

A Study of Napabucasin Plus Nab-Paclitaxel With Gemcitabine in Adult Patients With Metastatic Pancreatic Adenocarcinoma

NCT02993731

TERMINATED Phase 3

A Study of Napabucasin (BBI-608) Plus Weekly Paclitaxel Versus Weekly Paclitaxel Alone in Patients With Advanced, Previously Treated, Non-Squamous Non-Small Cell Lung Cancer

NCT02826161

COMPLETED Phase 3

A Study of Napabucasin (BBI-608) in Combination With FOLFIRI in Adult Patients With Previously Treated Metastatic Colorectal Cancer

NCT02753127

COMPLETED Phase 1

Study of the What the Body Does to the Drug in Subjects With Mild, Moderate, and Severe Liver Dysfunction

NCT02795637

COMPLETED Phase 3

A Study to Evaluate the Efficacy and Safety of Dasotraline in Children 6 to 12 Years of Age With Attention-Deficit Hyperactivity Disorder (ADHD) in a Simulated Classroom Setting.

NCT02734693

TERMINATED Phase 2

Alvocidib Biomarker-driven Phase 2 AML Study

NCT02520011

COMPLETED Phase 3

Dasotraline Binge Eating Disorder Extension Study

NCT02684279

TERMINATED

An Exploratory Study of Genetic and Clinical Factors for Serious Skin Reactions Among Users of Eslicarbazepine Acetate

NCT02520557

COMPLETED Phase 1

A Study of DSP-7888 Dosing Emulsion in Adult Patients With Advanced Malignancies

NCT02498665

COMPLETED Phase 2

Dasotraline Binge Eating Disorder Study

NCT02564588

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Phase Distribution

PhaseTrial count
Phase 1 53
Phase 2 27
Phase 3 75
Phase 4 8

What is open in the Sumitomo Pharma America pipeline

6 recruiting of 168 indexed (4% open); 142 completed (85%).

Phase mix: 83 late (III/IV) vs 80 early (I/II) (balanced across stages).

Top condition: Schizophrenia (4 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.

Sumitomo Pharma America: open-pipeline peers nationwide

Peers matched on 168 registered trials and 4% open enrollment, not the therapeutic-area sidebar.

Sumitomo Pharma America 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 0200400600800 0%5%10%15%20% Total trials Recruiting share Sumitomo Pharma AmericaAstellas Pharma Global DevelopmentBausch Health AmericasSeattle Children's HospitalUniversity of New MexicoHarvard Pilgrim Health CareBayerTeva Branded Pharmaceutical Products R&DOtsuka Pharmaceutical Development & Commercialization
Sumitomo Pharma America 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).

Sumitomo Pharma America 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 168 trials (± recruiting share)

Sponsors near 4% open enrollment (± trial volume)

What to do with this Sumitomo Pharma America page

168 registered trials is a research-attention snapshot, not an endorsement of Sumitomo Pharma America or any single study.

  • 6 of Sumitomo Pharma America's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Schizophrenia is the condition Sumitomo Pharma America 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.

Sumitomo Pharma America pipeline card: 168 registered trials from official public datasets.Report a data error.