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Treatment outcomes of children with acute lymphoblastic leukemia in a middle-income developing country: high mortalities, early relapses, and poor survival / Desfechos do tratamento de crianças com leucemia linfoblástica aguda em um paísem desenvolvimento de renda média: altas taxas de mortalidade, recidivas precocese baixa sobrevida
Abdelmabood, Suzy; Fouda, Ashraf Elsayed; Boujettif, Fatimah; Mansour, Ahmed.
  • Abdelmabood, Suzy; Mansoura University. Faculty of Medicine. Pediatric Department. Al-Mansoura. EG
  • Fouda, Ashraf Elsayed; Mansoura University. Faculty of Medicine. Pediatric Department. Al-Mansoura. EG
  • Boujettif, Fatimah; University of Nicosia. Medical School. Nicosia. CY
  • Mansour, Ahmed; Mansoura University. Mansoura Faculty of Medicine. Mansoura Oncology Center. Al-Mansoura. EG
J. pediatr. (Rio J.) ; 96(1): 108-116, Jan.-Feb. 2020. tab, graf
Article in English | LILACS | ID: biblio-1090992
ABSTRACT
Abstract Objective Acute lymphoblastic leukemia is the most common childhood cancer, yet surprisingly, very few studies have reported the treatment outcomes and the relapse rate of patients from low/middle-income countries. Method This study was a 5-year retrospective cohort study. It was conducted at Oncology Center of Mansoura University in Egypt and aimed to estimate the treatment outcomes and the relapse rates of newly diagnosed acute lymphoblastic leukemia in children. Results Two hundred children suffering from acute lymphoblastic leukemia were studied; forty-six patients (23%) died during induction and most of those deaths were related to infection. Forty-one patients (27%) relapsed out of the 152 patients who achieved complete remission. The most common site of relapse was the bone marrow, followed by the isolated central nervous system, 53.7% and 31.7%, respectively. Seventy-eight percent of relapses occurred very early/early rather than later. The majority of relapse patients' deaths were related to infection and disease progression. The 5-year overall survival rate for patients was 63.1% (82.1% for non-relapsed compared to 36.6% for relapsed patients). Conclusion There was a high incidence of induction deaths related to infection and high percentages of very early/early relapses, with high mortalities and low 5-year overall survival rates. These findings suggest the urgent need for modification of chemotherapy regimens to be suitable for the local conditions, including implementation of supportive care and infection control policies. There is also a requirement for antimicrobial prophylaxis during induction period combined with the necessary increase in government healthcare spending to improve the survival of acute lymphoblastic leukemia in Egyptian children.
RESUMO
Resumo Objetivo Estimar os desfechos do tratamento e as taxas de recidiva de crianças recém-diagnosticadas com leucemia linfoblástica aguda. É o câncer infantil mais comum, mas surpreendentemente poucos estudos relataram os desfechos do tratamento e a taxa de recidiva em pacientes de países de renda baixa/média. Método Estudo de coorte retrospectivo de cinco anos. Foi feito no Centro de Oncologia da Universidade de Mansoura, no Egito. Resultados Foram estudadas 200 crianças com leucemia linfoblástica aguda, das quais 46 (23%) morreram durante a indução e a maioria dessas mortes estava relacionada à infecção. Dos 152 pacientes que alcançaram a remissão completa, 41 (27%) apresentaram recidiva. O local mais comum de recidiva foi a medula óssea, seguido pelo sistema nervoso central isolado, com 53,7% e 31,7% dos casos, respectivamente. Das recidivas, 78% ocorreram muito precocemente ou precocemente, em vez de tardiamente. A maioria das mortes de pacientes com recidiva estava relacionada à infecção e progressão da doença. A taxa de sobrevida global em cinco anos para os pacientes foi de 63,1% (82,1% para não recidivados em comparação com 36,6% para os recidivados). Conclusão Houve uma alta incidência de mortes na indução relacionadas à infecção e altos percentuais de recidivas muito precoces ou precoces, com altas taxas de mortalidade e baixas taxas de sobrevida global em cinco anos. Nossos achados sugerem a necessidade urgente de modificação dos esquemas quimioterápicos para adequação às nossas condições locais, implantação de políticas de cuidados de suporte e controle de infecções. Há também a necessidade de profilaxia antimicrobiana durante o período de indução, junto com um aumento necessário nos gastos governamentais com a saúde, para melhorar a capacidade de sobrevivência das crianças egípcias com leucemia linfoblástica aguda.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Developing Countries / Precursor T-Cell Lymphoblastic Leukemia-Lymphoma Type of study: Observational study / Risk factors Limits: Child / Humans Country/Region as subject: Africa Language: English Journal: J. pediatr. (Rio J.) Journal subject: Pediatrics Year: 2020 Type: Article Affiliation country: Cyprus / Egypt Institution/Affiliation country: Mansoura University/EG / University of Nicosia/CY

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Full text: Available Index: LILACS (Americas) Main subject: Developing Countries / Precursor T-Cell Lymphoblastic Leukemia-Lymphoma Type of study: Observational study / Risk factors Limits: Child / Humans Country/Region as subject: Africa Language: English Journal: J. pediatr. (Rio J.) Journal subject: Pediatrics Year: 2020 Type: Article Affiliation country: Cyprus / Egypt Institution/Affiliation country: Mansoura University/EG / University of Nicosia/CY