NCT05942599

Phase 1 Study of Base Edited CAR T Cells Against AML: Deep Conditioning Ahead of Allogeneic Stem Cell Transplantation

Study Summary

In this phase 1 clinical trial, the investigators are testing an experimental medicine in children aged 6 months up to 16 years with acute myeloid leukaemia (AML), which has come back (relapsed). The new product is made from white blood cells (T cells) collected from a healthy donor and changed so they can kill leukaemia cells. These 'ready-made' CAR T cells have been made using a new technique called Base Editing to modify their DNA code and have been given the code name 'BE CAR-33'. This technique allows them to work after chemotherapy and also disarms them to prevent effects against normal cells. The main purpose of this study is to assess the safety of the 'BE CAR-33' therapy and to see if ready-made CAR T cells can get rid of Acute Myeloid Leukaemia ahead of a planned bone marrow transplant that will hopefully prevent the leukaemia from returning.

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Interventions

Cryopreserved BE CAR33 T Cells (BE752TBTTBCAR33PBL)BIOLOGICAL
Single-dose intravenous infusion (weight-based dosing) of a banded dose of CAR33+ T cells/kg. BECAR33 Total duration of treatment: 28 days follow up: 12 months

Study Locations

FacilityCityStateCountry
Great Ormond Street Hospital for ChildrenLondonUnited Kingdom

Official Trial Information

View on ClinicalTrials.gov

Data sourced from ClinicalTrials.gov. Last updated: April 14, 2026