Osteopenia, excess adiposity and hyperleptinaemia during 2 years of treatment for childhood acute lymphoblastic leukaemia without cranial irradiation

Davies, Justin H., Evans, Bronwen Alice James ORCID: https://orcid.org/0000-0002-3082-1008, Jones, E., Evans, William D. ORCID: https://orcid.org/0000-0003-0013-8205, Jenney, Meriel E. M. and Gregory, John Welbourn ORCID: https://orcid.org/0000-0001-5189-3812 2004. Osteopenia, excess adiposity and hyperleptinaemia during 2 years of treatment for childhood acute lymphoblastic leukaemia without cranial irradiation. Clinical Endocrinology 60 (3) , pp. 358-65. 10.1111/j.1365-2265.2003.01986.x

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Abstract

objective Osteopenia and excess adiposity occur following treatment of childhood acute lymphoblastic leukaemia (ALL) and the use of cranial irradiation is thought to be a significant contributory factor. Hyperleptinaemia has also been demonstrated following cessation of treatment for childhood ALL. Therefore a prospective study was undertaken to evaluate serial changes in percentage bone mineral content (BMC), adiposity and serum leptin concentrations during 2 years of treatment of children with ALL with chemotherapy but without cranial irradiation. design and patient Only patients treated using the MRC ALL 97/ALL 97 (modified 99) protocols for childhood ALL were eligible for entry into the study. A total of 14 patients (seven male, with a median age of 7·5 years (range 3·4–16·7 years) were recruited. Serial dual energy X-ray absorptiometry (DEXA) scanning was undertaken at diagnosis and during two years of treatment. Serum leptin concentrations were determined at the same time as the scans. results Reductions in %BMC were observed at the hip and lumbar spine by 12 months (P < 0·01) and remained low after 24 months of treatment. Subanalysis of %BMC measurements at the hip demonstrated a greater reduction in %BMC at the trochanteric region compared to the femoral neck. The percentage corrected fat mass increased from 6 months whereas the body mass index (BMI) standard deviation score (SDS) was increased after 24 months of treatment (P < 0·05). Serum leptin concentrations increased following 24 months of therapy (P < 0·05). conclusions Children treated for ALL with contemporary regimens have a predisposition to osteopenia, excess adiposity and hyperleptinaemia during treatment without cranial irradiation administration. We speculate that in addition to glucocorticoid administration, leptin resistance may account in part for these observations.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
ISSN:	13652265
Last Modified:	17 Oct 2022 08:32
URI:	https://orca.cardiff.ac.uk/id/eprint/383

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