Plasma Somatomedin Activity and Urinary Hydroxyproline Excretion during Administration of Human Growth Hormone in Children with Short Stature

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Abstract

Growth velocity, somatomedin activity (SM-act) and total urinary hydroxyproline excretion (THP) were studied in 9 prepubertal short children on long-term human growth hormone (hGH) therapy, and compared to the short-term responses to hGH, described in the accompanying paper. Positive correlations were found between the short-term increases of either SM-act or THP and growth acceleration, but these were too weak to be used as a predictor. On a schedule of biweekly injections, pre-injection SM-act values were only slightly higher than pre-treatment values, but post-injection values were considerably higher and similar to the values obtained with comparable hGH doses in the short-term study. There was an excellent relationship of the increment of SM-act during chronic therapy over untreated values and the increases of growth velocity. During the first year on hGH therapy the mean SM-act, mean THP and growth acceleration showed strong correlations.

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Author and article information

Journal

Journal ID (publisher-id): HRE

Journal ID (doi): 10.1159/issn.0018-5051

Title: Hormone Research in Paediatrics

Publisher: S. Karger AG

ISSN (Print): 0018-5051

ISSN (Electronic): 2571-6603

Publication date Subscription-year: 1984

Publication date (Print): 1984

Publication date (Electronic): 26 November 2008

Volume: 19

Issue: 4

Pages: 216-223

Affiliations

Department of Paediatrics, University Children’s Hospital, Het Wilhelmina Kinderziekenhuis, Utrecht, The Netherlands

Article

Publisher ID: 179891 Other ID: Horm Res 1984;19:216–223

DOI: 10.1159/000179891

SO-VID: 730a20d4-81a3-4144-8694-e70fc55d448a

License:

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.

History

Date received : 23 June 1983

Date accepted : 26 November 1983

Page count

Pages: 8

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