Bone mineral density in male adolescents with autism spectrum disorders and disruptive behavior disorder with or without antipsychotic treatment

Yvette Roke*, Peter N. van Harten, Jan K. Buitelaar, Diederik E. Tenback, Lorentz G. B. A. Quekel, Yolanda B. de Rijke, Annemieke M. Boot

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Objective: To investigate the long-term effects of antipsychotic (AP) treatment and AP-induced hyperprolactinemia on bone mineral density (BMD) and body composition in male adolescents with autism spectrum disorders (ASDs) and/or disruptive behavior disorder (DBD). Design: Physically healthy 10- to 20-year-old boys with ASD and/or DBD, chronically treated (n=56; mean 52 months, range 16-126 months) or not treated (n=47) with an AP, were recruited to this observational study. Prolactin levels and biochemical bone parameters were measured and BMD of the lumbar spine and total body, and body composition were assessed by dual-energy X-ray absorptiometry, and volumetric BMD of the lumbar spine calculated. Group differences were tested with Student's t-test, chi(2) test, Fisher exact test, and logistic regression analysis. Results: Forty-nine percent of the boys treated with an AP had hyperprolactinemia. The mean volumetric lumbar spine BMD z-score was lower (P=0.043), the total percentage of body fat z-score was higher (P=0.042), and biochemical bone marker carboxyterminal cross-linking telopeptide of bone collagen was lower in the AP-treated boys with hyperprolactinemia than in the AP-treated boys without hyperprolactinemia. Seven to 11% of the hyperprolactinemic boys had low BMD. The mean lumbar spine and total body BMD z-scores and body composition were similar in the boys who were or were not treated with an AP. The total study population had a lower mean lean tissue mass (mean z-score -0.37, P=0.004) and a higher percentage of total body fat (mean z-score 1.16, P
Original languageEnglish
Pages (from-to)855-863
JournalEuropean Journal of Endocrinology
Volume167
Issue number6
DOIs
Publication statusPublished - Dec 2012

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