The focus in this trial is on the occurrence of any late adverse reactions (AR), serious adverse events (SAE), serious adverse reactions (SAR) and adverse events of special interest (AESI), i.e. relapse or progression of the underlying disease, life-threatening infections, death due to any case, new and secondary malignancies, lymphocyte counts, detection of the transgene of the CAR T cells, detection of replication-competent lentivirus (RCL), developmental tracking in pediatric patients and furthermore, assessment of the primary status of disease progression and overall survival.
