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Completed Phase 1 Interventional

A Study to Evaluate the Safety and Tolerability of AB680 in Participants With Gastrointestinal Malignancies

ClinicalTrials.gov ID: NCT04104672

Public ClinicalTrials.gov record NCT04104672. 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 17, 2026, 9:00 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 1 Study to Evaluate the Safety and Tolerability of AB680 Combination Therapy in Participants With Gastrointestinal Malignancies

Brief summary

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

This is a Phase 1, open-label, dose-escalation, and dose-expansion, with a gated randomization portion, study to evaluate the safety, tolerability, pharmacokinetic, pharmacodynamic and clinical activity of AB680 in combination with zimberelimab (AB122), nab-paclitaxel and gemcitabine in participants with advanced pancreatic cancer.

Study identification

NCT ID
NCT04104672
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Arcus Biosciences, Inc.
Industry
Enrollment
196 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 6, 2019 (Actual)
Primary completion
Jul 21, 2026 (Actual)
Completion
Jul 21, 2026 (Actual)
Last update posted
Sep 9, 2026

2019 – 2026

United States locations

U.S. sites
9
U.S. states
6
U.S. cities
8
Facility City State ZIP Site status
Research Site Santa Monica California 90404 —
Research Site St Louis Missouri 63110 —
Research Site New York New York 10032 —
Research Site New York New York 10065 —
Research Site Philadelphia Pennsylvania 19104 —
Research Site Pittsburgh Pennsylvania 15232 —
Research Site Houston Texas 77030 —
Research Site San Antonio Texas 78229 —
Research Site Madison Wisconsin 53792 —

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04104672, 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 Sep 9, 2026 · Synced Oct 17, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04104672 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →