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Clinical Efficacy of Ruxolitinib Monotherapy and Haploidentical Hematopoeitic Stem Cell Transplantation in a Child with Philadelphia Chromosome‐like Relapsed/Refractory acute lymphoblastic leukemia
Introduction
(Ph‐like) ALL is a subset of leukemia which has a gene expression profile similar to Ph+disease, but without the presence of BCR‐ABL1 translocation.
Case description
We reported an exceptional case of a child with relapsed Ph‐like ALL with IKZF1 gene deletion treated with high‐dose ruxolitinib as monotherapy, after multi‐agent chemotherapy. He remains in continued MRD‐negative leukemia remission with full donor chimerism at 12 months post‐HSCT.
Discussion
The circumstance that makes our case featured is the usage of ruxolitinib as monotherapy. This report, we believe, is a pioneering report for a frequent disease with a high risk of failure for the outcome.