Combination of Inaticabtagene Autoleucel With Autologous Hematopoietic Stem Cell Transplantation for Adolescents or Adults With MRD-Positive B-Cell Acute Lymphoblastic Leukemia in Initial Complete Remission.

Inclusion Criteria: * ECOG score of 0 to 1 * Newly diagnosed Ph-negative B-ALL within 6 months, achieving CR1 after standard induction chemotherapy, undergoing at least one consolidation therapy, and patients with bone marrow MRD ≥ 0.01% detected by routine flow cytometry. * Or newly diagnosed Ph-positive B-ALL within 6 months, achieving CR1 after guideline-recommended induction chemotherapy (or use of TKI), undergoing at least one consolidation therapy, and patients with BCR-ABL1 \> 0% detected by routine q-PCR technology. * No significant organ dysfunction * Willing and meet the conditions for autologous hematopoietic stem cell transplantation Exclusion Criteria: * Burkitt lymphoma/leukemia, heterozygous or double-expressor leukemia, or chronic myeloid leukemia in blast phase. * Before screening or pre-treatment, bone marrow or peripheral blood with blasts ≥ 5%; or extramedullary leukemia. * Individuals who have received CAR-T cell therapy before screening or pre-treatment; or patients who have undergone hematopoietic stem cell transplantation. * Patients with associated genetic syndromes related to bone marrow failure, such as Fanconi anemia, Kostmann syndrome, Shwachman syndrome, or any other known bone marrow failure syndromes.