Overview
A prospective observational study of pediatric and young adult acute lymphoblastic leukaemia (ALL) patients treated with CD19 chimeric antigen receptor T-cells (CAR-T cells). The study will examine changes in CAR-T persistence over time and causal factors.
Eligibility
Inclusion Criteria:
- Children and young adults (age 25 years or younger) with relapsed/refractory ALL who are planned to receive licensed CD19-targeted CAR-T cell treatment (Tisagenlecleucel)
- Written informed consent
Exclusion Criteria:
- Patients receiving an alternate CD19-directed CAR T-cell product on a clinical trial
- Any reason that in the opinion of the investigator, patients won't be able to adhere to the protocol