Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 1Phase 2 Interventional Results available

A Study of TAK-981 Given With Pembrolizumab in Participants With Select Advanced or Metastatic Solid Tumors

ClinicalTrials.gov ID: NCT04381650

Public ClinicalTrials.gov record NCT04381650. 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 Jul 23, 2026, 6:27 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/2 Study of TAK-981 Plus Pembrolizumab to Evaluate the Safety, Tolerability, and Antitumor Activity of the Combination in Patients With Select Advanced or Metastatic Solid Tumors

Study identification

NCT ID
NCT04381650
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
Takeda
Industry
Enrollment
161 participants

Conditions and interventions

Interventions

  • TAK-981 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
Aug 16, 2020
Primary completion
Oct 28, 2024
Completion
Oct 28, 2024
Last update posted
Dec 9, 2025

2020 – 2024

United States locations

U.S. sites
18
U.S. states
13
U.S. cities
18
Facility City State ZIP Site status
HonorHealth Scottsdale Arizona 85258
University of California Irvine Medical Center Orange California 92868
Stanford Cancer Institute (SCI) Stanford California 94305
Yale Cancer Center New Haven Connecticut 06520
Georgia Cancer Center at Augusta University Augusta Georgia 30912
The Center for Cancer and Blood Disorders - PPDS Bethesda Maryland 20817
Morristown Medical Center Morristown New Jersey 07960
Cancer Institute of New Jersey New Brunswick New Jersey 08901
Montefiore Einstein Cancer Center - BRANY - PPDS The Bronx New York 10461
University of North Carolina at Chapel Hill Chapel Hill North Carolina 27514
University of Oklahoma Peggy and Charles Stephenson Cancer Center Oklahoma City Oklahoma 73104
Providence Cancer Institute, Franz Clinic Portland Oregon 97213
Fox Chase Cancer Center Philadelphia Pennsylvania 19111
UPMC Hillman Cancer Center Pittsburgh Pennsylvania 15213
University of Texas Southwestern Medical Center Dallas Texas 75390
START South Texas Accelerated Research Therapeutics San Antonio Texas 78229
University of Virginia Health System Charlottesville Virginia 22908
Virginia Cancer Specialists (Fairfax) - USOR Fairfax Virginia 22031

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 34 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04381650, 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 Dec 9, 2025 · Synced Jul 23, 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 NCT04381650 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →