This clinical trial is focused on studying two types of blood cancers: Relapsed/Refractory B-precursor Acute Lymphoblastic Leukemia and Relapsed/Refractory B-cell Non-Hodgkin Lymphoma. These are conditions where the cancer has returned or has not responded to previous treatments. The treatment being tested in this study is called KTE-X19, which is a type of cell therapy. This therapy involves using a patient’s own immune cells, which are modified in a laboratory to better recognize and attack cancer cells. The modified cells are then infused back into the patient to help fight the cancer.
The purpose of the study is to evaluate the safety and effectiveness of KTE-X19 in children and adolescents with these types of blood cancers. The study is divided into two phases. In the first phase, the focus is on assessing the safety of the treatment. In the second phase, the study aims to determine how well the treatment works in achieving remission, which means the cancer is no longer detectable. Participants will receive the treatment through an intravenous infusion, which is a method of delivering medication directly into the bloodstream.
Throughout the study, participants will be closely monitored for any side effects and to see how their cancer responds to the treatment. The study will also look at how long any remission lasts and overall survival rates. This research is important for understanding how effective KTE-X19 is in treating these challenging forms of cancer in young patients.



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