The effect of adopting pediatric protocols in adolescents and young adults with acute lymphoblastic leukemia in pediatric vs adult centers: An IMPACT Cohort study

Autor: Sumit Gupta, Jason D. Pole, Nancy N. Baxter, Rinku Sutradhar, Cindy Lau, Chenthila Nagamuthu, Paul C. Nathan
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Cancer Medicine, Vol 8, Iss 5, Pp 2095-2103 (2019)
Druh dokumentu: article
ISSN: 2045-7634
DOI: 10.1002/cam4.2096
Popis: Abstract Background Retrospective studies have shown adolescents and young adults (AYA) with acute lymphoblastic leukemia (ALL) have superior survival when treated in pediatric versus adult centers (locus of care; LOC). Several adult centers recently adopted pediatric protocols. Whether this has narrowed LOC disparities in real–world settings is unknown. Methods The IMPACT Cohort is an Ontario population–based cohort that captured demographic, disease and treatment (treatment protocol, chemotherapy doses) data for all 15‐21 year olds diagnosed with ALL 1992‐2011. Cancer outcomes were determined by chart abstraction and linkage to provincial healthcare databases. Treatment protocols were classified as pediatric‐ or adult‐based. We examined predictors of outcome, including LOC, protocol, disease biology, and time period. Results Of 271 patients, 152 (56%) received therapy at adult centers. 5‐year event‐free survival (EFS ± SE) among AYA at pediatric vs adult centers was 72% ± 4% vs 56% ± 4% (P = 0.03); 5‐year overall survival (OS) was 82% ± 4% vs 64% ± 4% (P
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