A Study to Evaluate AB308 in Combination With AB122 in Participants With Advanced Malignancies

NCT ID: NCT04772989

Last Updated: 2025-08-28

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

94 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-03-19

Study Completion Date

2025-08-25

Brief Summary

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This is a Phase 1/1b, multicenter, open-label, dose-escalation, and dose-expansion study to evaluate the safety, tolerability, pharmacokinetic (PK), pharmacodynamic (PD), and clinical activity of AB308 in combination with zimberelimab (AB122) in participants with advanced malignancies.

Detailed Description

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Conditions

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Advanced Solid Tumor Non Small Cell Lung Cancer (NSCLC) Melanoma Cervical Cancer Multiple Myeloma Lymphoma, Non-Hodgkin Diffuse Large B Cell Lymphoma (DLBCL) Gastric Cancer Gastroesophageal Junction Adenocarcinoma Esophageal Cancer

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Dose Escalation Q3W Cohorts

Escalating doses of AB308 in combination with zimberelimab (360 mg) will be given every 3 weeks in participants with advanced malignancies.

Group Type EXPERIMENTAL

AB308

Intervention Type DRUG

Administered intravenously (IV) as specified in the treatment arm

Zimberelimab

Intervention Type DRUG

Administered IV as specified in the treatment arm

Dose Escalation Q4W Cohorts

Escalating doses of AB308 in combination with zimberelimab (480 mg) will be given every 4 weeks in participants with advanced malignancies.

Group Type EXPERIMENTAL

AB308

Intervention Type DRUG

Administered intravenously (IV) as specified in the treatment arm

Zimberelimab

Intervention Type DRUG

Administered IV as specified in the treatment arm

Dose Escalation Q6W Cohort

Selected dose of AB308 in combination with zimberelimab will be given every 6 weeks in participants with advanced malignancies.

Group Type EXPERIMENTAL

AB308

Intervention Type DRUG

Administered intravenously (IV) as specified in the treatment arm

Zimberelimab

Intervention Type DRUG

Administered IV as specified in the treatment arm

Dose Expansion Cohort 1

AB308 will be given in combination with zimberelimab at 360 mg or 480 mg Q3W or Q4W, respectively, in participants with in participants with locally advanced or metastatic NSCLC.

Group Type EXPERIMENTAL

AB308

Intervention Type DRUG

Administered intravenously (IV) as specified in the treatment arm

Zimberelimab

Intervention Type DRUG

Administered IV as specified in the treatment arm

Dose Expansion Cohort 2

AB308 will be given in combination with zimberelimab at 360 mg or 480 mg Q3W or Q4W, respectively, in participants with melanoma.

Group Type EXPERIMENTAL

AB308

Intervention Type DRUG

Administered intravenously (IV) as specified in the treatment arm

Zimberelimab

Intervention Type DRUG

Administered IV as specified in the treatment arm

Dose Expansion Cohort 3

AB308 will be given in combination with zimberelimab at 360 mg or 480 mg Q3W or Q4W, respectively, in participants with metastatic gastric, or gastroesophageal junction, or esophageal cancer.

Group Type EXPERIMENTAL

AB308

Intervention Type DRUG

Administered intravenously (IV) as specified in the treatment arm

Zimberelimab

Intervention Type DRUG

Administered IV as specified in the treatment arm

Dose Expansion Cohort 4

AB308 will be given in combination with zimberelimab at 360 mg or 480 mg Q3W or Q4W, respectively, in participants with cervical cancer.

Group Type EXPERIMENTAL

AB308

Intervention Type DRUG

Administered intravenously (IV) as specified in the treatment arm

Zimberelimab

Intervention Type DRUG

Administered IV as specified in the treatment arm

Dose Expansion Cohort 5

AB308 will be given in combination with zimberelimab at 360 mg or 480 mg Q3W or Q4W, respectively, in participants with hematological malignancies.

Group Type EXPERIMENTAL

AB308

Intervention Type DRUG

Administered intravenously (IV) as specified in the treatment arm

Zimberelimab

Intervention Type DRUG

Administered IV as specified in the treatment arm

Interventions

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AB308

Administered intravenously (IV) as specified in the treatment arm

Intervention Type DRUG

Zimberelimab

Administered IV as specified in the treatment arm

Intervention Type DRUG

Other Intervention Names

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AB122

Eligibility Criteria

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Inclusion Criteria

* Capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.
* Male or female participants ≥ 18 years of age (or age ≥ regionally approved age of consent for participation in investigational clinical studies) at the time of signing the informed consent.
* Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
* Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1
* Adequate organ and marrow function

Exclusion Criteria

* History of trauma or major surgery within 28 days prior to the first dose of study treatment.
* Prior treatment with an anti-TIGIT antibody.
* Any active or prior autoimmune disease that required treatment within 3 years of the first dose of study treatment.
* Prior chemotherapy, targeted small-molecule therapy, immunotherapy, or biologic agents, or use of other investigational drugs within 28 days before first dose of study treatment.
* Discontinued prior immunotherapy for immune related adverse events with a high severity.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Gilead Sciences

INDUSTRY

Sponsor Role collaborator

Arcus Biosciences, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Medical Director

Role: STUDY_DIRECTOR

Arcus Biosciences

Locations

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UCLA Department of Medicine - Hematology/Oncology

Los Angeles, California, United States

Site Status

Mayo Clinic Jacksonville - PPDS

Jacksonville, Florida, United States

Site Status

Goshen Health System

Goshen, Indiana, United States

Site Status

Holden Comprehensive Cancer Center

Iowa City, Iowa, United States

Site Status

Norton Cancer Insititute-Downtown

Louisville, Kentucky, United States

Site Status

Mayo Clinic Rochester

Rochester, Minnesota, United States

Site Status

Columbia University Medical Center

New York, New York, United States

Site Status

Ohio State University Comprehensive Cancer Center

Columbus, Ohio, United States

Site Status

University of Oklahoma Peggy and Charles Stephenson Cancer Center

Oklahoma City, Oklahoma, United States

Site Status

University of Pittsburgh Medical Center

Pittsburgh, Pennsylvania, United States

Site Status

Tennessee Onocology - Nashville

Nashville, Tennessee, United States

Site Status

START South Texas Accelerated Research Therapeutics

San Antonio, Texas, United States

Site Status

START South Texas Accelerated Research Therapeutics - Mountain Region

West Valley City, Utah, United States

Site Status

Virginia Cancer Specialists

Fairfax, Virginia, United States

Site Status

University of Wisconsin - Madison

Madison, Wisconsin, United States

Site Status

Specjalistyczna Praktyka Lekarska Slawomir Mandziuk

Lubin, , Poland

Site Status

Med-Polonia Sp. z o.o.

Poznan, , Poland

Site Status

Hospital Universitario Vall d'Hebron

Barcelona, , Spain

Site Status

Clínica Universidad de Navarra - Madrid

Madrid, , Spain

Site Status

Hospital Universitario 12 de Octubre

Madrid, , Spain

Site Status

START MADRID Hospital Unviersitario Fundacion Jimenez Diaz

Madrid, , Spain

Site Status

Clínica Universidad de Navarra

Pamplona, , Spain

Site Status

Countries

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United States Poland Spain

Related Links

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Other Identifiers

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2021-005589-16

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

2024-511116-25-00

Identifier Type: CTIS

Identifier Source: secondary_id

ARC-12

Identifier Type: -

Identifier Source: org_study_id

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