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Personalized cell therapy takes on childhood cancers

NCT ID NCT05642455

Disease control Sponsor: USWM CT, LLC Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 12, 2026 · Updated 2 times

Summary

This study tests a new treatment called afamitresgene autoleucel in children and young adults aged 2 to 21 with advanced cancers that have a specific marker (MAGE-A4). The treatment uses the patient's own immune cells, modified to attack the cancer. The main goals are to check safety and see if the tumors shrink.

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

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Started

Sep 2023

Expected to finish

Jul 2038

An estimate. End dates often move.

Lead sponsor

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

2 to 21 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Subject has histologically confirmed diagnosis of any one of the following cancers: (A) Synovial Sarcoma (SS), (B) MPNST, (C) Neuroblastoma, or (D) Osteosarcoma (OS). * Age: (A) Synovial Sarcoma: 2 to 17 years (B) MPNST, Neuroblastoma and Osteosarcoma: 2 to 21 years * Body weight ≥ 10 kg * Must have previously received a systemic chemotherapy * Measurable disease prior to lymphodepletion according to RECIST v1.1 (or INCR, 2017 Neuroblastoma only). * HLA-A\*02 positive * Tumor shows MAGE-A4 expression confirmed by central laboratory. * Performance Status: (A) Subjects ≥16: Eastern Cooperative Oncology Group (ECOG) 0 or 1 (B) Subjects 2 to 16: Lansky score ≥ 80 • Subject has anticipated life expectancy of greater than 3 months in the opinion of the investigator. Exclusion Criteria: * Positive for HLA-A\*02:05 in either allele; or any A\*02 having same protein sequence as HLA-A\*02:05 * History of allergic reactions attributed to compounds of similar chemical or biologic composition to fludarabine, cyclophosphamide. * History of autoimmune or immune mediated disease * Known central nervous system (CNS) metastases. * Other prior malignancy that is not considered by the Investigator to be in complete remission * Clinically significant cardiovascular disease * Active infection with human immunodeficiency virus, hepatitis B virus, hepatitis C virus, or human T cell leukemia virus * Pregnant or breastfeeding * Experiencing ongoing rapid disease progression that in the opinion of the Investigator significantly increases the subjects risk associated with treatment.

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Conditions

The condition(s) this trial relates to.

malignant peripheral nerve sheath tumor neuroblastoma neurofibrosarcoma osteosarcoma synovial sarcoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Malignant peripheral nerve sheath tumor (MPNST) Neuroblastoma (NBL) Osteosarcoma Synovial sarcoma

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

    10 sites. The list below names each one and where it is.

  3. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  4. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Children's Hospital of Philedephia

    RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

    Contact Email: •••••@•••••

  • Cincinnati Children's Hospital Medical Center

    RECRUITING

    Cincinnati, Ohio, 45229, United States

    Contact Email: •••••@•••••

  • Dana Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 10065, United States

  • Duke University School of Medicine

    RECRUITING

    Durham, North Carolina, 27710, United States

  • Memorial Sloan Kettering Kids

    RECRUITING

    New York, New York, 10065, United States

  • National Institutes of Health

    RECRUITING

    Bethesda, Maryland, 20892, United States

  • Seattle Children's Hospital

    RECRUITING

    Seattle, Washington, 98105, United States

  • Stanford University

    RECRUITING

    Palo Alto, California, 94305, United States

  • University of Wisconsin Cancer Center

    RECRUITING

    Madison, Wisconsin, 53715, United States

    Contact Email: •••••@•••••

  • Washington University

    RECRUITING

    St Louis, Missouri, 63110, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.