This trial is a multi-center, open label, single-arm, phase Ib/II trial to evaluate the safety and efficacy of CNCT19 in Children and Adolescent(aged 3~18 years old) patients (pediatric) with r/r B-cell ALL.~The phase Ib part of the trial is to evaluate the safety, optimal dose of CNCT19, Pharmacokinetics/Pharmacodynamics(PK/PD)and preliminary efficacy in the treatment of Children and Adolescent patients with r/r B-cell ALL.~The phase II part of the trial is to evaluate the efficacy and safety of CNCT19 in in the treatment of Children and Adolescent patients with r/r B-cell ALL.~The study includes screening, pre-treatment (Cell Product manufacture & lymphodepletion), CNCT19 infusion , safety and efficacy follow-up, and survival follow-up. All subjects who have received CNCT19 infusion will be followed for up to 2 years.
This is a multi-center, phase Ib/II trial to evaluate the safety and efficacy of CNCT19 treatment in Children and Adolescent (pediatric) patients with relapsed or refractory B-cell acute lymphoblastic leukemia (r/r B-cell ALL).