What is the fine-grained topic of the following text: Josep-Maria Ribera, MD, PhD from the Germans Trias i Pujol University Hospital, Barcelona, Spain, presents preliminary data, which shows that adult patients with high risk (HR) acute lymphoblastic leukemia (ALL) with an adequate minimal residual disease (MRD) response, can be safely managed without allogeneic hematopoietic stem cell transplantation (alloHSCT). Only return the topic.
Management of high risk acute lymphoblastic leukemia without stem cell transplantation based on minimal residual disease response