Imunoterapia de CAR T-Cells Anti-CD19 no tratamento de leucemia linfoblástica aguda refratária/recidivante. Revisão sistemática e metanálise
DOI:
https://doi.org/10.11606/issn.1679-9836.v101i5e-181721Keywords:
Imunoterapia, Receptores de antígenos quiméricos, Antígenos CD19, Leucemia de células BAbstract
Introdução: A Leucemia Linfoblástica Aguda (LLA) é a neoplasia maligna mais prevalente em crianças; entretanto, quando se torna refratária/recidivante (R/R) as possibilidades de cura são praticamente nulas. Objetivos: Analisar a eficácia da imunoterapia de Receptores de Antígenos Quiméricos anti-CD19 no tratamento da LLA R/R, fornecendo evidências sobre a efetividade e segurança da terapia para o grupo analisado. Métodos: O estudo consistiu em uma revisão sistemática e metanálise baseada em artigos indexados. As pesquisas foram realizadas com os termos: “acute lymphoblastic leukemia”, “CAR T”, and “CD19-specific chimeric antigen receptor”. Resultados: Dos 94 artigos obtidos, apenas 18 atenderam inicialmente aos critérios de inclusão e foram selecionados para revisão, totalizando 637 pacientes. Assim, observou-se nas respostas que aproximadamente 81% dos pacientes obtiveram resposta completa; 7% não responderam; a neoplasia recidivou em 17% dos casos; e 6,1% dos pacientes morreram. Os principais efeitos colaterais encontrados foram síndrome de liberação de citocinas, síndrome de liberação grave de citocinas e neurotoxicidade, presentes em 36,3%, 29% e 24% dos pacientes, respectivamente. Conclusão: A imunoterapia com células CAR T anti-CD19 é uma terapia eficaz, sendo capaz de produzir altas taxas de remissão completa no tratamento de LLA R / R.
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Copyright (c) 2022 Ricardo Pasquini Neto, Felipe Antonio Torres Mazzo, Gustavo de Souza Bueno, João Vitor Correa Previdi, Nasthia Kreuz Baziulis da Silva, Tulio da Silva Vieira, Maria Cristina Figueroa Magalhães
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