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      Management of Recombinant Human Growth Hormone Therapy at Puberty

      Hormone Research in Paediatrics

      S. Karger AG

      Growth hormone therapy, Puberty, Copulsatility

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          Abstract

          Treatment modalities for growth hormone (GH) substitution in GH-deficient children at puberty is still a matter of debate. Although circulating GH levels increase during puberty, it has not been proven that the increase of exogenous GH is necessary for a normal pubertal growth spurt. Increasing GH levels may thus well be the consequence and not the cause of the pubertal growth spurt. A permissive role of GH for pubertal growth has been hypothesized. Some effects of exogenous GH may even be detrimental to pubertal growth; specifically, puberty seems to be shortened by GH administration. Further aspects of the physiology of GH secretion and the poor imitation by current replacement schemes are discussed. Only randomized, prospective studies will allow to define the optimal dose of GH at puberty. As long as these studies are missing, a pragmatic approach is an individualized, minimalistic GH substitution scheme under close surveillance. GH dose at puberty should be kept at prepubertal levels, but must be increased once height velocity drops below the 50th percentile. This widely used approach ensures unnecessary, costly and potentially harmful overdosages of GH.

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          Most cited references 1

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          Endogenous growth hormone secretion and clearance rates in normal boys, as determined by deconvolution analysis: relationship to age, pubertal status, and body mass

           P M Martha (1992)
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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
            978-3-8055-6700-8
            978-3-318-00313-0
            1663-2818
            1663-2826
            1998
            April 1998
            17 November 2004
            : 49
            : Suppl 2
            : 58-61
            Affiliations
            Pediatric Endocrinology and Diabetology, Department of Pediatrics, University of Bonn, Germany
            Article
            53088 Horm Res 1998;49(suppl 2):58–61
            10.1159/000053088
            9730673
            © 1998 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
            References: 13, Pages: 4
            Categories
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