Clinical characteristics and outcomes of paediatric acute lymphoblastic leukaemia in a tertiary hospital in Tanzania: a single-centre observational study.
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BACKGROUND: A wide inequality exists between high- and low-income countries in the outcome of paediatric acute lymphoblastic leukaemia (ALL). At a tertiary-level hospital in Tanzania, multidimensional approaches have been taken to improve cancer care for children. This study aimed to update the outcomes of paediatric ALL at Muhimbili National Hospital (MNH), Tanzania from 2016 to 2020. METHODS: We performed a retrospective chart review of children who were treated with modified UKALL2003 protocol at MNH from January 1, 2016 to December 31, 2020. We used the Cox proportional hazards model to estimate the effect of each prognostic factor on event-free survival (EFS). RESULTS: We identified 202 patients who had confirmatory diagnoses of ALL and initiated treatment at MNH. Fifty-two patients (26%, 52/202) died (n = 47) or abandoned treatment (n = 5) before the end of remission induction. The main causes of death during this period were infections and bleeding complications. The median EFS was 9 months and 2-year EFS was 36%. Oedema, non-early rapid responder, and non-remission were associated with short EFS in the multivariable analysis. CONCLUSIONS: The number of new paediatric ALL admissions at MNH has doubled in the past decade. The prevention of early deaths is critical to improve the long-term survival of paediatric ALL in Tanzania.