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Study identifier: NCT07222735 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

Hypofractionated Radiation in Combination With B7-H3-CAR T Cells for Pediatric Patients With Relapsed/Refractory Sarcomas

Condition: Sarcoma · Childhood Osteosarcoma · Childhood Rhabdomyosarcoma  ·  Sponsor: St. Jude Children's Research Hospital

PhasePhase 1
Planned participants42
Who can joinAll sexes, N/A to 21 Years
Healthy volunteersNo

About this study

RAD3CAR is a phase I study designed to evaluatethe safety of B7-H3-CAR T cells and lymphodepletion in combination with hypofractionated radiation therapy. Primary objective: \- To evaluate the safety of B7-H3-CAR T cell therapy after priming with hypofractionated radiation therapy (HFRT) and lymphodepleting chemotherapy in patients ≤ 21 years of age with relapsed/refractory B7-H3+ sarcomas. Secondary objectives: * To describe the antitumor activity of B7-H3-CAR T cells in combination with HFRT * To determine if B7-H3-CAR T cells traffic to tumor sites after combination treatment with HFRT

This description comes directly from the study's public registry record.

Talk to the study team

Rebecca Epperly, MD  ·  8662785833  ·  referralinfo@stjude.org

Always discuss trial participation with your own doctor first.

Locations (1)

St. Jude Children's Research HospitalMemphis, Tennessee, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT07222735