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Olverembatinib Treatment in Pediatric Patients with Relapsed Philadelphia-Chromosome-Positive Acute Lymphoblastic Leukemia.

CLINICAL LYMPHOMA MYELOMA & LEUKEMIA(2023)

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摘要
Treatment outcomes for children with Philadelphia chromosome-positive (Ph+) acute lymphoblastic leukemia (ALL) remained poor despite the use of intensive chemotherapy, imatinib or dasatinib, and consolidative allogeneic hematopoietic cell transplantation. Oleverembatinib, a third-generation ABL inhibitor, was found to be highly effective and safe in adults with chronic myeloid leukemia and in some adults with relapsed or refractory Ph+ ALL. We reviewed the efficacy and safety profile of olverembatinib treatment in 6 children with relapsed Ph+ ALL and 1 with T-ALL and ABL class fusion, all of whom had previously received dasatinib or intolerance to dasatinib. The median duration of olverembatinib treatment was 70 days (range: 4-340) and the median cumulative dose was 600 mg (range: 80-3810). Complete remission with negative minimal residual level (<0.01%) was achieved in 4 of the 5 evaluable patients, 2 of whom were treated with olvermbatinib as a single agent. Safety profile in 6 evaluable patients was excellent with grade 2 extremity pain occurred in 2 patients and grade 2 myopathy of lower extremity and grade 3 fever in 1 patient each. Olverembatinib appeared to be safe and effective in children with relapsed Ph+ ALL.
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Child,Tyrosine kinase inhibitor (TKI),BCR::ABL1,HQP1351
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