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1.
Pediatr Blood Cancer ; 69(2): e29441, 2022 02.
Artículo en Inglés | MEDLINE | ID: mdl-34854546

RESUMEN

BACKGROUND: Since the introduction of tyrosine kinase inhibitors (TKIs), the profile of pediatric relapse of Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ ALL) has changed. However, the management of pediatric Ph+ ALL relapses is not currently standardized. PROCEDURE: We retrospectively analyzed the therapeutic strategies and outcomes of pediatric Ph+ ALL patients in first relapse who were initially treated with a TKI-containing regimen in one of the French pediatric hematology centers from 2004 to 2019. RESULTS: Twenty-seven children experienced a Ph+ ALL relapse: 24 (89%) had an overt relapse and three a molecular relapse. Eight involved the central nervous system. A second complete remission (CR2) was obtained for 26 patients (96%). Induction consisted of nonintensive chemotherapy for 13 patients (48%) and intensive chemotherapy for 14 (52%). Thirteen patients (48%) received consolidation. Allogenic hematopoietic stem cell transplantation (alloHSCT) was performed for 21 patients (78%). The TKI was changed for 23 patients (88%), mainly with dasatinib (n = 15). T315I was the most common mutation at relapse (4/7). The 4-year event-free survival and survival rates were 60.9% and 76.1%, respectively. Survival was positively associated with alloHSCT in CR2. CONCLUSION: We show that pediatric first-relapse Ph+ ALL reinduces well with a second course of TKI exposure, despite the use of different therapeutic approaches. The main prognostic factor for survival was alloHSCT in CR2. Because of the small size of the cohort, we could not draw any conclusions about the respective impact of TKIs, but the predominance of the T315I mutation should encourage careful consideration of the TKI choice.


Asunto(s)
Trasplante de Células Madre Hematopoyéticas , Leucemia-Linfoma Linfoblástico de Células Precursoras , Niño , Proteínas de Fusión bcr-abl/genética , Trasplante de Células Madre Hematopoyéticas/efectos adversos , Humanos , Cromosoma Filadelfia , Leucemia-Linfoma Linfoblástico de Células Precursoras/tratamiento farmacológico , Leucemia-Linfoma Linfoblástico de Células Precursoras/genética , Inhibidores de Proteínas Quinasas/uso terapéutico , Recurrencia , Estudios Retrospectivos
2.
Bull Cancer ; 108(5): 490-500, 2021 May.
Artículo en Inglés | MEDLINE | ID: mdl-33781551

RESUMEN

Since the emergence of the SARS-CoV-2 infection, many recommendations have been made. However, the very specific nature of acute lymphoblastic leukemias and their treatment in children and adolescents led the Leukemia Committee of the French Society for the fight against Cancers and leukemias in children and adolescents (SFCE) to propose more specific recommendations. Here is the second version of these recommendations updated according to the evolution of knowledge on COVID19.


Asunto(s)
COVID-19/epidemiología , Leucemia-Linfoma Linfoblástico de Células Precursoras/tratamiento farmacológico , Adenosina Monofosfato/análogos & derivados , Adenosina Monofosfato/uso terapéutico , Adolescente , Corticoesteroides/uso terapéutico , Alanina/análogos & derivados , Alanina/uso terapéutico , Antivirales/uso terapéutico , COVID-19/diagnóstico , Prueba de Ácido Nucleico para COVID-19 , Vacunas contra la COVID-19/uso terapéutico , Instituciones Oncológicas , Niño , Quimioterapia de Consolidación , Interacciones Farmacológicas , Francia/epidemiología , Humanos , Quimioterapia de Inducción/métodos , Leucemia Mielógena Crónica BCR-ABL Positiva/tratamiento farmacológico , Quimioterapia de Mantención/métodos , Recurrencia , Medición de Riesgo , Sociedades Médicas , Tratamiento Farmacológico de COVID-19
3.
Bull Cancer ; 107(6): 629-632, 2020 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-32387061

RESUMEN

Since the emergence of the SARS-CoV-2 infection, many recommendations have been made. However, the very nature of acute lymphoblastic leukemias and their treatment in children and adolescents led the Leukemia Committee of the French Society for the fight against cancers and leukemias in children and adolescents (SFCE) to propose more specific recommendations, even if data for this population are still scarce. They may have to evolve according to the rapid evolution of knowledge on COVID-19.


Asunto(s)
Infecciones por Coronavirus/epidemiología , Neumonía Viral/epidemiología , Leucemia-Linfoma Linfoblástico de Células Precursoras/epidemiología , Adolescente , Protocolos de Quimioterapia Combinada Antineoplásica/administración & dosificación , Protocolos de Quimioterapia Combinada Antineoplásica/efectos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/farmacocinética , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapéutico , Antivirales/farmacocinética , Antivirales/uso terapéutico , COVID-19 , Prueba de COVID-19 , Niño , Técnicas de Laboratorio Clínico , Terapia Combinada , Comorbilidad , Infecciones por Coronavirus/diagnóstico , Infecciones por Coronavirus/prevención & control , Manejo de la Enfermedad , Síndrome de Down/epidemiología , Interacciones Farmacológicas , Neutropenia Febril/inducido químicamente , Neutropenia Febril/tratamiento farmacológico , Neutropenia Febril/prevención & control , Femenino , Factor Estimulante de Colonias de Granulocitos/uso terapéutico , Trasplante de Células Madre Hematopoyéticas/efectos adversos , Humanos , Huésped Inmunocomprometido , Masculino , Pandemias/prevención & control , Neumonía Viral/diagnóstico , Neumonía Viral/prevención & control , Leucemia-Linfoma Linfoblástico de Células Precursoras/tratamiento farmacológico , Leucemia-Linfoma Linfoblástico de Células Precursoras/terapia , Recurrencia , Inducción de Remisión , Riesgo , Medición de Riesgo , Terapia Recuperativa , Evaluación de Síntomas
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