Endocrine Journal
Online ISSN : 1348-4540
Print ISSN : 0918-8959
ISSN-L : 0918-8959
Changes in body mass index during chemotherapy are positively associated with height outcome in childhood cancer survivors of acute lymphoblastic leukemia
Tamaki WadaAyaha HataTakatoshi MaeyamaShinobu IdaKohei HiguchiMaho SatoAkihisa SawadaYuri EtaniMasanobu Kawai
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JOURNAL OPEN ACCESS Advance online publication

Article ID: EJ24-0545

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Abstract

Impaired linear growth is an important morbidity in childhood cancer survivors (CCS); however, chemotherapy-associated factors that affect height outcomes remain elusive. Accordingly, we conducted a single-center, retrospective cohort study that included survivors of childhood-onset acute lymphoblastic leukemia (ALL) diagnosed between 2002 and 2021 who achieved complete remission through chemotherapy alone. Anthropometric parameters and treatment protocols were evaluated based on medical records. Individuals with background disorders or impaired growth were excluded from the study. Associations between anthropometric parameters during chemotherapy and height standard deviation scores (height-SDS) at the current visit were investigated. The results are expressed as the median (interquartile range). Seventy-three individuals (males, N = 44) were included in the study. The median age (years) at diagnosis, end of chemotherapy, and current visit were 4.2 (3.2 to 7.9), 6.3 (5.1 to 10.0), and 15.9 (11.4 to 19.2), respectively. Height-SDS at diagnosis was –0.25 (–0.65 to 0.35), which significantly declined during chemotherapy and recovered thereafter, resulting in a current height-SDS of –0.31 (–0.84 to 0.22). The height-SDS at the investigated time points and its changes during chemotherapy did not differ among the treatment protocols. Multivariate analysis revealed that height-SDS at the current visit was positively associated with changes in body mass index (BMI)-SDS during chemotherapy (β = 0.22, p = 0.01) after adjusting for sex, current age, height-SDS at diagnosis, changes in height-SDS during chemotherapy, and treatment protocols. Since changes in BMI are potentially influenced by nutritional status, our results may underscore the importance of nutritional status during chemotherapy on height outcomes in childhood ALL survivors.

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