Expanded Access for Cancer Treatment With Balstilimab (AGEN2034) and Zalifrelimab (AGEN1884)

May 5, 2026 updated by: Agenus Inc.

Expanded Access for Cancer Treatment With Balstilimab (AGEN2034), Either as Monotherapy, or as Used in Combination With Zalifrelimab (AGEN1884)

This is an expanded access study for cancer treatment with balstilimab alone or in combination with zalifrelimab for an intermediate-size participant population. This study addresses the treatment needs of participants who have been previously and specifically treated with balstilimab alone or in combination with zalifrelimab in a clinical study, who have experienced a benefit from this treatment and/or wish to continue treatment, and who are eligible for treatment under this expanded access study.

Study Overview

Status

Available

Conditions

Intervention / Treatment

Detailed Description

This study will not exceed 100 participants. Participants will be reevaluated annually to assess the treatment benefit of zalifrelimab and/or balstilimab and thereby, continued eligibility for treatment. Under this program, treatment will be continued with balstilimab, as either monotherapy or as used in combination therapy with zalifrelimab, for participants that have previously received one or both of these investigational medicinal products in a clinical study.

Study Type

Expanded Access

Expanded Access Type

  • Individual Patients

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Alabama
      • Birmingham, Alabama, United States, 35249
        • Available
        • University of Alabama at Birmingham
    • Arizona
      • Tucson, Arizona, United States, 85711
        • Available
        • Arizona Oncology Associates
    • California
      • Newport Beach, California, United States, 92663
        • Available
        • Hoag Gynecologic Oncology
      • San Francisco, California, United States, 94158
        • Available
        • University of California, San Francisco Medical Center
    • Ohio
      • Columbus, Ohio, United States, 43212
        • Available
        • The Ohio State University Wexner Medical Center
    • Rhode Island
      • Providence, Rhode Island, United States, 02905
        • Available
        • Women & Infants Hospital of Rhode Island
    • Texas
      • Flower Mound, Texas, United States, 75028
        • Available
        • Texas Oncology

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Participants must have completed predicate study protocol requirements, including prior treatment duration and follow-up.

Exclusion Criteria:

-

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Agenus Inc.

Investigators

  • Study Director: Medical Director, Agenus Inc.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

December 7, 2022

Primary Completion

December 7, 2022

Study Completion

December 7, 2022

Study Registration Dates

First Submitted

October 5, 2022

First Submitted That Met QC Criteria

October 5, 2022

First Posted (Actual)

October 10, 2022

Study Record Updates

Last Update Posted (Actual)

May 6, 2026

Last Update Submitted That Met QC Criteria

May 5, 2026

Last Verified

May 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • C-750-EAP-01

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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