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      Growth Hormone Treatment of Children with Prader-Willi Syndrome: Effects on Glucose and Insulin Homeostasis

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          Abstract

          Insulin and glucose homeostasis have been studied during growth hormone (GH) treatment in 19 prepubertal children with Prader-Willi syndrome (PWS) and compared with 11 healthy prepubertal obese children. Before treatment, insulin levels in children with PWS were lower (p < 0.01) than in healthy obese children. During GH treatment, fasting insulin levels increased in children with PWS (p < 0.001). Glucose levels were similar for PWS and obese children before treatment. Children with PWS showed a slow glucose disappearance rate (k = 1.7%) which deteriorated (k = 1.3%, p < 0.001) during GH treatment. HbA1c and fasting glucose levels remained normal. Thus, GH treatment of children with PWS resulted in increased insulin blood levels, unchanged fasting glucose and HbA1c but decreased glucose elimination rate after an intravenous glucose test. However, the observed dose-dependent increase in insulin levels during GH treatment, that reached supranormal concentrations in 6/19 patients, and the occurrence of NIDDM in 1 patient during follow-up suggest that close surveillance and low doses of GH should be applied, especially if the PWS patient is very obese.

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          Author and article information

          Journal
          HRE
          Horm Res Paediatr
          10.1159/issn.1663-2818
          Hormone Research in Paediatrics
          S. Karger AG
          1663-2818
          1663-2826
          1999
          April 1999
          27 August 1999
          : 51
          : 4
          : 157-161
          Affiliations
          Department of Woman and Child Health, Pediatric Endocrinology Unit, Karolinska Hospital, Stockholm, Sweden
          Article
          23350 Horm Res 1999;51:157–161
          10.1159/000023350
          10474015
          © 1999 S. Karger AG, Basel

          Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

          Page count
          Figures: 2, Tables: 1, References: 23, Pages: 5
          Categories
          Original Paper

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