- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04087018
Study to Evaluate Safety and Clinical Activity of AB122 in Biomarker Selected Participants With Advanced Solid Tumors
March 7, 2024 updated by: Arcus Biosciences, Inc.
A Phase 1b Study to Evaluate the Safety and Clinical Activity of AB122 in Biomarker-Selected Participants With Advanced Solid Tumors
This is a Phase 1b open-label study to evaluate the safety and clinical activity of zimberelimab (AB122) in biomarker-selected participants with advanced solid tumors.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Detailed Description
The activity of zimberelimab every 3 weeks (Q3W) will be evaluated in molecularly defined patient populations as described by the StrataNGS test (to be performed outside of this study protocol).
Participants with any advanced tumor type will be stratified evenly by tumor biomarker status as follows: TMB-H or Strata Immune Signature positive.
Each cohort may enroll approximately 40 participants.
Following completion of and/or discontinuation from investigational product and follow-up, all participants will be followed for survival.
Study Type
Interventional
Enrollment (Actual)
18
Phase
- Phase 1
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
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California
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Riverside, California, United States, 92120
- Southern California Permanente Medical Group
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Roseville, California, United States, 95661
- Kaiser Permanente (NorCal) - Roseville
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Delaware
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Newark, Delaware, United States, 19713
- Christiana Care Health System - Helen F. Graham Cancer Center
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Louisiana
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New Orleans, Louisiana, United States, 70121
- Ochsner Clinic Foundation
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Maryland
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Gaithersburg, Maryland, United States, 20879
- Kaiser Permanente Mid-Atlantic
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Minnesota
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Saint Louis Park, Minnesota, United States, 55416
- Metro Minnesota Community Oncology Research Consortium
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Pennsylvania
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Allentown, Pennsylvania, United States, 18103
- Lehigh Valley Health Newtown - Cedar Crest
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South Carolina
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Greenville, South Carolina, United States, 29605
- Institute for Translational Oncology Research (Prisma Health)
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Greenville, South Carolina, United States, 29607
- St. Francis Cancer Center
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Wisconsin
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La Crosse, Wisconsin, United States, 54601
- Gunderson Lutheran Medical Center
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Madison, Wisconsin, United States, 53705
- University of Wisconsin Hospitals and Clinicals
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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:
- Capable of giving signed informed consent.
- Male or female participants ≥ 18 years of age at the time of screening.
- Negative serum pregnancy test at screening and negative serum or urine pregnancy test every 3 months during the treatment period (women of childbearing potential only).
- Pathologically confirmed tumor that is metastatic, advanced, or recurrent with progression for which no alternative known to improve survival or curative therapy exists. Tumors must be TMB-H or Strata Immune Signature positive.
- Must have at least 1 measurable lesion per Response Evaluation Criteria in Solid Tumors (RECIST) 1.1. The measurable lesion must be outside of a radiation field if the participant received prior radiation.
- Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1.
- Prior chemotherapy or certain immune therapies or biologic agents must have been completed at least 4 weeks (28 days) before investigational product administration and all AEs have either returned to baseline or stabilized.
- Previously treated brain or meningeal metastases with no evidence of progression by magnetic resonance imaging (MRI) for at least 4 weeks (28 days) prior to the first dose.
- Immunosuppressive doses of systemic medications, such as corticosteroids or absorbed topical corticosteroids (doses > 10 mg/day prednisone or equivalent) must be discontinued at least 2 weeks (14 days) before investigational product administration. Physiologic doses of corticosteroids < 10 mg/day of prednisone or its equivalent may be permitted
- Prior surgery that required general anesthesia or other major surgery as defined by the Investigator must be completed at least 4 weeks before investigational product administration
- Negative tests for hepatitis B surface antigen, hepatitis C virus antibody (or hepatitis C qualitative ribonucleic acid [RNA; qualitative]), and human immunodeficiency virus (HIV)-1 and HIV-2 antibody at screening
- Adequate organ and marrow function
Exclusion Criteria:
- Use of any live attenuated vaccines against infectious diseases within 4 weeks (28 days) of initiation of investigational product.
- Underlying medical conditions that, in the Investigator's or Sponsor's opinion, will make the administration of investigational product hazardous or obscure the interpretation of toxicity determination or Adverse events (AEs).
- History of myocardial infarction within 6 months or history of arterial thromboembolic event within 3 months of the first dose of investigational agent.
- Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
- Is pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the study, starting with the pre-screening or screening visit through 90 days after the last dose of investigational product.
- Any active or documented history of autoimmune disease or history of a syndrome that required systemic steroids or immunosuppressive medications.
- Any acute gastrointestinal symptoms at the time of screening or admission.
- Prior malignancy active within the previous year except for locally curable cancers that have been apparently cured.
- Prior treatment with an anti-PD-L1 or anti-PD-1 as monotherapy or in combination.
- Prior treatment with temozolomide.
- Use of other investigational drugs (drugs not marketed for any indication) within 28 days or at least 5 half-lives (whichever is longer) before investigational product administration.
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?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: TMB-H
Participants with a tumor biomarker status of TMB-H will receive zimberelimab every 3 weeks.
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zimberelimab is a fully human immunoglobulin G4 (IgG4) monoclonal antibody targeting human PD-1.
Participants in each cohort will receive zimberelimab intravenously Q3W.
Treatment will continue until progressive disease, unacceptable toxicity, withdrawal of consent, or other reasons for which investigational product discontinuation occurs.
Other Names:
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Experimental: Strata Immune Signature positive
Participants with a tumor biomarker status Strata Immune Signature positive will receive zimberelimab every 3 weeks.
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zimberelimab is a fully human immunoglobulin G4 (IgG4) monoclonal antibody targeting human PD-1.
Participants in each cohort will receive zimberelimab intravenously Q3W.
Treatment will continue until progressive disease, unacceptable toxicity, withdrawal of consent, or other reasons for which investigational product discontinuation occurs.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Objective response Rate (ORR)
Time Frame: Approximately 12 months
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Based on Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 Tumor assessments over time will be measured using RECIST v1.1
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Approximately 12 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants with Treatment Emergent Adverse Events (TEAEs) as Assessed by CTCAE v5.0
Time Frame: From screening until 90 days after the last dose of investigational product or until initiation of a new systemic anticancer therapy, whichever occurs first, approximately 12 months
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Number of Participants Treated with zimberelimab with Treatment Emergent Adverse Events (TEAEs) as Assessed by CTCAE v5.0
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From screening until 90 days after the last dose of investigational product or until initiation of a new systemic anticancer therapy, whichever occurs first, approximately 12 months
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Duration of response (DoR)
Time Frame: From the date of initiation of treatment until the date of first documented progression, through completion of the study, approximately 12 months
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The time from first documentation of disease response (CR or PR) until first documentation of progressive disease.
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From the date of initiation of treatment until the date of first documented progression, through completion of the study, approximately 12 months
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Time to response (TTR)
Time Frame: From the date of initiation of treatment until the date of first documented response, through completion of the study, approximately 12 months
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The time from treatment initiation to confirmed best overall response of CR or PR.
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From the date of initiation of treatment until the date of first documented response, through completion of the study, approximately 12 months
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Disease control rate at 6 months (DCR6)
Time Frame: 6 Months
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Number of Participants with Complete Response, Partial Response, or Stable Disease for Greater Than 6 Months per RECIST v1.1
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6 Months
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Progression-free survival at 6 (PFS6)
Time Frame: 6 Months
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The percentage of Participants Without Disease Progression per RECIST v1.1 and iRECIST at 6 months
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6 Months
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Progression-free survival at 12 months (PFS12)
Time Frame: 12 Months
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The percentage of Participants Without Disease Progression per RECIST v1.1 and iRECIST at 12 months
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12 Months
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Overall survival at 12 months (OS12)
Time Frame: 12 Months
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The percentage of participants who are alive at 12 months based on first dose to date of death.
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12 Months
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Director: Medical Director, Arcus Biosciences, 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 (Actual)
September 24, 2019
Primary Completion (Estimated)
September 1, 2024
Study Completion (Estimated)
September 1, 2024
Study Registration Dates
First Submitted
August 29, 2019
First Submitted That Met QC Criteria
September 10, 2019
First Posted (Actual)
September 12, 2019
Study Record Updates
Last Update Posted (Actual)
March 8, 2024
Last Update Submitted That Met QC Criteria
March 7, 2024
Last Verified
March 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- AB122CSP0002
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
IPD Plan Description
Arcus will provide access to individual de-identified participant data and related study documents (e.g., protocol, Statistical Analysis Plan [SAP], Clinical Study Report [CSR]) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions.
For more information, please visit our website.
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
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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