ClinicalTrials.gov record
Terminated Phase 1 Interventional

A Study of ASP1951 in Subjects With Advanced Solid Tumors

ClinicalTrials.gov ID: NCT03799003

Public ClinicalTrials.gov record NCT03799003. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 4, 2026, 2:50 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1b Study of ASP1951, a GITR Agonistic Antibody, as a Single Agent and in Combination With Pembrolizumab in Subjects With Advanced Solid Tumors

Study identification

NCT ID
NCT03799003
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1
Lead sponsor
Astellas Pharma Global Development, Inc.
Industry
Enrollment
119 participants

Conditions and interventions

Interventions

  • ASP1951 Drug
  • pembrolizumab Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 13, 2019
Primary completion
Jul 5, 2023
Completion
Jul 5, 2023
Last update posted
Oct 31, 2024

2019 – 2023

United States locations

U.S. sites
20
U.S. states
17
U.S. cities
18
Facility City State ZIP Site status
Arizona Clinical Research Cent Tucson Arizona 85715
University of California Sacramento California 95817
University of Florida, Davis C Gainesville Florida 326102
Emory University Atlanta Georgia 30322
Augusta University Augusta Georgia 30912
Northwestern University Chicago Illinois 60611
Rush University Medical Center Chicago Illinois 60612
University of Iowa Hospitals Iowa City Iowa 52242
Henry Ford Health System Detroit Michigan 48202
Nebraska Cancer Specialists Omaha Nebraska 68130
Comprehensive Cancer Nevada Las Vegas Nevada 89169
Rutgers Cancer Institute New Brunswick New Jersey 08903
Icahn school of Medicine at Mount Sinai New York New York 10029
Columbia University Medical Center New York New York 10032
Duke University Medical Center Durham North Carolina 27705
Hollings Cancer Center Charleston South Carolina 29425
South Texas Accelerated Research Therapeutics, LLC San Antonio Texas 78229
Huntsman Cancer Institute Salt Lake City Utah 84112
Virginia Cancer Specialists Fairfax Virginia 22031
Multicare Regional Cancer Center Tacoma Tacoma Washington 98405

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 12 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03799003, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 31, 2024 · Synced May 4, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03799003 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →