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Completed Phase 1 Interventional

A Study to Evaluate Immunotherapy Combinations in Participants With Gastrointestinal Malignancies

ClinicalTrials.gov ID: NCT03720678

Public ClinicalTrials.gov record NCT03720678. 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 Oct 26, 2026, 7:36 PM 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 1/1b Study to Evaluate the Safety and Tolerability of Immunotherapy Combinations in Participants With Gastrointestinal Malignancies

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a Phase 1/1b, open-label, dose-escalation, and dose-expansion study to evaluate the safety, tolerability, pharmacokinetic (PK), pharmacodynamic (PD), and clinical activity of etrumadenant (AB928) in combination with mFOLFOX in participants with advanced metastatic gastroesophageal Cancer (GEC) or colorectal cancer (CRC).

Study identification

NCT ID
NCT03720678
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Arcus Biosciences, Inc.
Industry
Enrollment
44 participants

Conditions and interventions

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
Nov 18, 2018 (Actual)
Primary completion
Jan 27, 2021 (Actual)
Completion
Jun 25, 2021 (Actual)
Last update posted
May 24, 2024

2018 – 2021

United States locations

U.S. sites
17
U.S. states
12
U.S. cities
16
Facility City State ZIP Site status
Arizona Clinical Research Center Tucson Arizona 85715 —
Rocky Mountain Cancer Centers Denver Colorado 80218 —
Yale Cancer Center New Haven Connecticut 06520 —
Maryland Oncology Hematology Rockville Maryland 20850 —
Dana Farber Cancer Institute Boston Massachusetts 02215 —
QUEST Research Institute Farmington Hills Michigan 48334 —
Comprehensive Cancer Centers of Nevada Las Vegas Nevada 89169 —
Carolina BioOncology Institute Huntersville North Carolina 28078 —
UPMC Hillman Cancer Center Pittsburgh Pennsylvania 16148 —
Prisma Health Greenville South Carolina 29605 —
Texas Oncology - Austin Midtown Austin Texas 78705 —
Texas Oncology - Baylor Charles A. Sammons Cancer Center Dallas Texas 75246 —
Texas Oncology - Fort Worth Cancer Center Fort Worth Texas 76104 —
Texas Oncology - San Antonio Northeast San Antonio Texas 78217 —
Texas Oncology - San Antonio Medical Center San Antonio Texas 78240 —
Texas Oncology - Tyler Tyler Texas 75702 —
Virginia Cancer Specialists, PC 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 7 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03720678, 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 May 24, 2024 · Synced Oct 26, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03720678 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →