Overweight in childhood cancer patients at diagnosis and throughout therapy : A multicentre cohort study

Belle, Fabiën N.; Wenke-Zobler, Juliane; Cignacco Müller, Eva; Spycher, Ben D.; Ammann, Roland A.; Kühni, Claudia E.; Zimmermann, Karin (2018). Overweight in childhood cancer patients at diagnosis and throughout therapy : A multicentre cohort study Clinical Nutrition, 38(2), pp. 835-841. Elsevier 10.1016/j.clnu.2018.02.022

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Background Childhood cancer patients (CCP) have been reported to be at increased risk of becoming overweight during treatment. We assessed prevalence of overweight in CCP at diagnosis and at the end of treatment, determined risk factors, and identified weight change during treatment by type of cancer. Methods In a multicentre cohort study, we collected height and weight measurements of CCP at diagnosis and repeatedly during treatment. We calculated age- and sex-adjusted BMI Z-scores using references of the International Obesity Taskforce for children. Risk factors were described by multivariable linear regression, and weight change during treatment by multilevel segmented linear regression. Results The study included 327 CCP with a median age of 7 years (IQR 3–12) at diagnosis (55% boys), who had been diagnosed with acute lymphoblastic leukaemia (ALL, 29%), lymphoma (16%), central nervous system (CNS) tumours (13%), sarcoma (18%), and other types of cancer (24%). At diagnosis, 27 CCP (8%) were overweight. This increased to 43 (13%) at end of treatment, on average 0.7 years after diagnosis. Being a boy (p = 0.005) and having been diagnosed with ALL or lymphoma (p < 0.001) were risk factors for weight gain during treatment. During the first half of treatment, BMI Z-scores increased in ALL (regression slope β = 0.4, 95% CI 0.1–0.7) and lymphoma (β = 1.5, 95% CI 0.2–2.9) patients, whereas for patients with CNS tumours (β = -1.4, 95% CI −2.7 to −0.2), sarcoma (β = -1.4, 95% CI −2.0 to −0.7), or other types of cancer (β = -0.3, 95% CI −1.5–0.9) BMI Z-scores tended to drop initially. During the second half of treatment BMI Z-scores of all patients tended to increase. Exploratory analyses showed that BMI Z-scores of younger ALL patients (<7 years at diagnosis) increased during induction (β = 3.8, 95% CI 0.5–7.0). The inverse was seen for older ALL patients (≥7 years at diagnosis), in whom BMI Z-scores tended to decrease during induction (β = -1.5, −5.1–2.2), both groups tended to increase afterwards. Conclusion CCP diagnosed with ALL or lymphoma are at increased risk of weight gain during treatment, and might particularly benefit from early lifestyle interventions. Keywords Childhood cancer patients ; Obesity ; Overweight ; Treatment ; Swiss childhood cancer ; registry ; Europe Abbreviations ALLacute lymphoblastic leukaemia ; BMIbody mass index ; CCPchildhood cancer patients ; CIconfidence interval ; CNScentral nervous system CRTcranial radiation therapy ; Dxdiagnosis Gygray ; ICCC-3International Classification of Childhood Cancer, 3rd edition ; IOTFInternational Obesity Taskforce ; IQRinterquartile range ; ORodds ratio ; SCCRSwiss Childhood Cancer Registry ; SDstandard deviation

Item Type:

Journal Article (Original Article)

Division/Institute:

School of Health Professions

Name:

Belle, Fabiën N.;
Wenke-Zobler, Juliane;
Cignacco Müller, Eva0000-0001-6773-4015;
Spycher, Ben D.;
Ammann, Roland A.;
Kühni, Claudia E. and
Zimmermann, Karin

ISSN:

0261-5614

Publisher:

Elsevier

Language:

English

Submitter:

Admin import user

Date Deposited:

04 Nov 2019 14:23

Last Modified:

18 Dec 2020 13:28

Publisher DOI:

10.1016/j.clnu.2018.02.022

ARBOR DOI:

10.24451/arbor.6770

URI:

https://arbor.bfh.ch/id/eprint/6770

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