Phase 1/2 Trial of Gavo-cel (TC-210) in Patients With Advanced Mesothelin-Expressing Cancer

August 20, 2025 updated by: TCR2 Therapeutics

A Phase 1/2 Single Arm Open-Label Clinical Trial of Gavocabtagene Autoleucel (Gavo-cel) in Patients With Advanced Mesothelin-Expressing Cancer

Gavocabtagene autoleucel (gavo-cel; TC-210) is a novel cell therapy that consists of autologous genetically engineered T cells expressing a single-domain antibody that recognizes human Mesothelin, fused to the CD3-epsilon subunit which, upon expression, is incorporated into the endogenous T cell receptor (TCR) complex.

This Phase 1/2 study aims to establish the recommended Phase 2 dose (RP2D) and subsequently evaluate the efficacy of gavo-cel, with and without immuno-oncology agents, in patients with advanced mesothelin-expressing cancers, with overall response rate and disease control rate as the primary Phase 2 endpoints.

Study Overview

Status

Active, not recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

57

Phase

  • Phase 2
  • 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

  • Canada
    • Ontario
      • Toronto, Ontario, Canada, M5G 2C1
        • Princess Margaret Cancer Centre
  • United States
    • California
      • San Francisco, California, United States, 94143
        • University of California, San Francisco
    • Florida
      • Miami, Florida, United States, 33136
        • University of Miami Sylvester Cancer Center
    • Illinois
      • Chicago, Illinois, United States, 60637
        • University of Chicago Medical Center
    • Maryland
      • Bethesda, Maryland, United States, 20814
        • National Cancer Institute
    • New York
      • New York, New York, United States, 10032
        • Columbia University Medical Center
      • New York, New York, United States, 10065
        • Memorial Sloan Kettering Cancer Center
    • North Carolina
      • Durham, North Carolina, United States, 27705
        • Duke University
    • Pennsylvania
      • Philadelphia, Pennsylvania, United States, 19104
        • University of Pennsylvania
    • Tennessee
      • Nashville, Tennessee, United States, 37203
        • SCRI Oncology Partners
    • Texas
      • Houston, Texas, United States, 77030
        • University of Texas MD Anderson Cancer Center

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:

  • Patient is at least 18 years of age at the time the Informed Consent is signed.
  • Patient has a pathologically confirmed diagnosis of either Malignant Pleural/Peritoneal Mesothelioma (MPM), Serous Ovarian Adenocarcinoma, Cholangiocarcinoma, or Non-Small Cell Lung Cancer (NSCLC) at screening.
  • Patient's tumor has been pathologically reviewed by the central laboratory. For Serous Ovarian Adenocarcinoma, patients must have confirmed positive MSLN expression on >/= 30% of tumor cells that are 1+, 2+, and/or 3+ by immunohistochemistry (IHC). Ovarian patients will subsequently be stratified into two groups: high MSLN expression (>/= 50% of tumor cells that are 2+ and/or 3+) or low MSLN expression (>/= 30% of tumor cells that are 1+, 2+, and/or 3+ not meeting criteria for the high MSLN expression group). MPM patients must have MSLN expression of >/= 50% of tumor cells that are 2+ and/or 3+ by IHC. Cholangiocarcinoma and NSCLC patients must have MSLN expression of >/= 30% of tumor cells that are 1+, 2+, and/or 3+ by IHC.
  • Prior to gavo-cel infusion, patients must have received at least 1 systemic standard of care therapy for metastatic or unresectable disease, with the exception of Cholangiocarcinoma patients who may have elected not to pursue standard frontline therapy. Regardless of tumor type, patients must not exceed 5 prior lines of therapy (excluding bridging therapy and surgical procedures). More details provided in the clinical protocol.
  • Patient has an Eastern Cooperative Oncology Group performance status 0 or 1.
  • Patient has a left ventricular ejection fraction > 45% as measured by resting echocardiogram, with no clinically significant pericardial effusion.
  • Patient is fit for leukapheresis and has adequate venous access for the cell collection.
  • Patient must have adequate organ function as indicated by the laboratory values in the clinical protocol

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: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Lymphodepletion followed by gavo-cel
fludarabine 30 mg/m2/d on days -7 through -4 and cyclophosphamide 600 mg/m2/d on days -6 through -4 followed by gavo-cel
Biological: gavo-cel
gavo-cel
Drug: fludarabine
lymphodepletion chemotherapy
Drug: cyclophosphamide
lymphodepletion chemotherapy
Experimental: Lymphodepletion followed by gavo-cel plus nivolumab
fludarabine 30 mg/m2/d on days -7 through -4 and cyclophosphamide 600 mg/m2/d on days -6 through -4 followed by gavo-cel with nivolumab 360mg every 3 weeks starting on Day 21 post gavo-cel
Biological: gavo-cel
gavo-cel
Drug: fludarabine
lymphodepletion chemotherapy
Drug: cyclophosphamide
lymphodepletion chemotherapy
Drug: Nivolumab
immuno-oncology agent
Experimental: Lymphodepletion followed by gavo-cel plus nivolumab and ipilimumab
fludarabine 30 mg/m2/d on days -7 through -4 and cyclophosphamide 600 mg/m2/d on days -6 through -4 followed by gavo-cel with nivolumab 360mg every 3 weeks starting on Day 21 post gavo-cel and ipilimumab 1mg/kg every 6 weeks starting on Day 42 post gavo-cel
Biological: gavo-cel
gavo-cel
Drug: fludarabine
lymphodepletion chemotherapy
Drug: cyclophosphamide
lymphodepletion chemotherapy
Drug: Nivolumab
immuno-oncology agent
Drug: Ipilimumab
immuno-oncology agent

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Phase 1- Primary Objective
Time Frame: DLTs within 28 days post-treatment
Establish the recommended Phase 2 dose (RP2D) according to dose-limiting toxicity (DLT) of defined adverse events.
DLTs within 28 days post-treatment
Phase 2- Primary Objective
Time Frame: ORR at 3 months; DCR based on ORR + SD lasting at least 8 weeks
To evaluate the efficacy of autologous genetically modified T cells (gavo-cel), with or without immuno-oncology agents, in patients with MSLN-expressing unresectable, metastatic, or recurrent cancers as determined by overall response rate and disease control rate using RECIST v1.1 (or mesothelioma-specific RECIST criteria, if applicable).
ORR at 3 months; DCR based on ORR + SD lasting at least 8 weeks

Collaborators and Investigators

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

Sponsor

TCR2 Therapeutics

Collaborators

Bristol-Myers Squibb

Investigators

  • Study Chair: Clinical, TCR2 Therapeutics

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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)

April 15, 2019

Primary Completion (Actual)

November 19, 2024

Study Completion (Estimated)

November 2, 2028

Study Registration Dates

First Submitted

April 1, 2019

First Submitted That Met QC Criteria

April 5, 2019

First Posted (Actual)

April 9, 2019

Study Record Updates

Last Update Posted (Estimated)

August 27, 2025

Last Update Submitted That Met QC Criteria

August 20, 2025

Last Verified

August 1, 2025

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • TCR2-18-01

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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