Genetically modified t cells take on rare sarcomas
NCT ID NCT04044768
First seen Jun 27, 2026 · Last updated Aug 27, 2026 · Updated 2 times
Summary
This phase 2 trial tests a one-time infusion of a patient's own immune cells that have been genetically modified to recognize and attack cancer cells. It is for people with advanced synovial sarcoma or myxoid liposarcoma whose tumors have a specific marker (MAGE-A4) and who have already tried standard chemotherapy. The main goal is to see if the treatment shrinks tumors.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- afamitresgene autoleucel (ADP-A2M4) – a patient's own immune cells genetically modified to target cancer
- What this could lead to
- If successful, this could offer a new treatment option for people with advanced synovial sarcoma or myxoid liposarcoma who have few alternatives.
- What could go wrong
- This is a small, early-phase trial (52 participants) with no control group. The treatment may cause serious side effects, and it is not yet proven to work for everyone.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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52 people
The number who actually took part.
- Started
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Aug 2019
- Expected to finish
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Apr 2038
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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10 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Key Inclusion Criteria * Age ≥16 (10 years at selected sites) and \<=75 years * Diagnosis of advanced synovial sarcoma (Cohort 1, Cohort 2 and Cohort 3) or myxoid liposarcoma / myxoid round cell liposarcoma (Cohort 1 only) confirmed by cytogenetics. * Previously received either an anthracycline or ifosfamide containing regimen. * Measurable disease according to RECIST v1.1 prior to lymphodepletion * HLA-A\*02:01, HLA-A\*02:02, HLA-A\*02:03 or HLA-A\*02:06 positive * Tumor shows MAGE-A4 expression confirmed by central laboratory. North America Only (United States and Canada): Tumor (either an archival specimen or a fresh biopsy) shows MAGE-A4 expression of ≥1+ staining in ≥10% of the cells by immunohistochemistry. * ECOG Performance Status of 0 or1. For subjects aged ≥10 to ≥16 years old: Lansky Score ≥60%. • Left ventricular ejection fraction (LVEF) ≥50%. Note: other protocol defined Inclusion criteria may apply Key Exclusion Criteria: * HLA-A\*02:05 in either allele * Received or plans to receive the following therapy/treatment prior to leukapheresis or lymphodepleting chemotherapy: Cytotoxic chemotherapy, Tyrosine kinase inhibitor (TKI) (e.g. pazopanib), Immune therapy (including monoclonal antibody therapy, checkpoint inhibitors,), Anti-cancer Vaccine, Gene therapy using an integrating vector (subjects who have received a gene therapy using a lentiviral vector may be eligible for the study), Corticosteroids or any other immunosuppressive therapy, Investigational treatment or interventional clinical trial, Allogeneic hematopoietic stem cell transplant, Radiotherapy to the target lesions, Major surgery * History of allergic reactions attributed to compounds of similar chemical or biologic composition to fludarabine, cyclophosphamide or other agents used in the study. * History of autoimmune or immune mediated disease * Symptomatic CNS metastases including leptomeningeal disease. * Other prior malignancy that is not considered by the Investigator to be in complete remission * Clinically significant cardiovascular disease * Uncontrolled intercurrent illness * Active infection with human immunodeficiency virus, hepatitis B virus, hepatitis C virus, or human T cell leukemia virus * Pregnant or breastfeeding Note: other protocol defined Exclusion criteria may apply.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Centre Leon Berard
Lyon, France
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City of Hope
Duarte, California, 91010, United States
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Dana Farber Cancer Institute
Boston, Massachusetts, 02215, United States
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Fred Hutch
Seattle, Washington, 98109, United States
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Gustave Roussy Cancer Center
Villejuif, 94805, France
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Hospital Haut Leveque, CHU Bordeaux
Pessac, 33604, France
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Hospital Universitari Vall D'Hebron
Barcelona, Catalonia, 119-129, Spain
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Hospital Universitario Virgen del Rocio
Seville, 41013, Spain
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MD Anderson Cancer Center
Houston, Texas, 77030, United States
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Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
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Mayo Clinic Jacksonville
Jacksonville, Florida, 33612, United States
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Medical College of WI Froedtert Hospital
Milwaukee, Wisconsin, 53226, United States
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Memorial Sloan-Kettering Cancer Center
New York, New York, 10065, United States
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Moffitt Cancer Center
Tampa, Florida, 33612, United States
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National Cancer Institute
Bethesda, Maryland, 20892, United States
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Northwestern University Robert H. Lurie Comprehensive Cancer Center
Chicago, Illinois, 60611, United States
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Ohio State University
Columbus, Ohio, 43210, United States
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Princess Margaret Cancer Centre
Toronto, Ontario, M5G 2M9, Canada
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Stanford Cancer Center
Palo Alto, California, 94305, United States
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Start Madrid-FJD, Fundación Jimѐnez Díaz
Madrid, 28040, Spain
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The Christie NHS Foundation Trust
Manchester, M20 4BX, United Kingdom
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UCLH Cancer Clinical Trials Unit
London, NW1 2PG, United Kingdom
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University of Colorado
Aurora, Colorado, 80045, United States
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University of Michigan
Ann Arbor, Michigan, 48109, United States
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Vanderbilt
Nashville, Tennessee, 37212, United States
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Washington University School of Medicine
St Louis, Missouri, 63110, United States
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