This clinical trial is focused on studying several types of blood cancers, including Chronic Lymphocytic Leukemia (CLL), Small Lymphocytic Lymphoma (SLL), Diffuse Large B-Cell Lymphoma (DLBCL), Acute Lymphoblastic Leukemia (ALL), and High-Risk Large B-Cell Lymphoma (HR LBCL). The main treatment being tested is called Rapcabtagene Autoleucel, also known by its code name YTB323. This treatment involves using a patient’s own immune cells, which are modified to better fight cancer. The study also involves other medications, such as Ibrutinib, Tocilizumab, Cytarabine, Fludarabine Phosphate, Etoposide, Bendamustine Hydrochloride, and Cyclophosphamide Monohydrate.
The purpose of the study is to find the best dose of Rapcabtagene Autoleucel and to understand its safety and effectiveness in treating these cancers. The study is divided into two phases. In the first phase, researchers aim to determine the appropriate dose and assess the safety of the treatment, both alone and in combination with Ibrutinib for CLL/SLL. The second phase focuses on evaluating how well the treatment works in reducing or eliminating the cancer. Participants will receive the treatment through an 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 changes in their health. The study will also look at how the treatment affects the cancer over time. This research is important for developing new ways to treat these types of blood cancers and could lead to more effective therapies in the future.



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