Hormone Research in Paediatrics
Original Paper
Growth of Short Normal Children in Puberty Treated for 3 Years with Growth Hormone Alone or in Association with Gonadotropin-Releasing Hormone AgonistJob J.-C. · Edmond Toublanc J. · Landier F.Hôpital Saint-Vincent-de-Paul, Paris, France
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Article / Publication Details
Received: August 04, 1993
Accepted: November 30, 1993
Published online: December 05, 2008
Issue release date: 1994
Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0
ISSN: 1663-2818 (Print)
eISSN: 1663-2826 (Online)
For additional information: https://www.karger.com/HRP
Abstract
GH, 0.1 IU/kg/day 6 days/week, was given to 30 early pubertal short patients for 3 years. There were 16 males, aged 14.4 ± 0.8 years, and 14 females, aged 12.2 ± 1.2 years, at pubertal stage 2 or 3 with slow growth (4.2 ± 1.2 cm/year) and no detected GH insufficiency or other cause for short stature. They were randomized in 2 groups: group A with GH alone, and group B with GH and a gonadotropin-releasing hormone agonist during the first 2 years. 28 of the 30 patients completed 3 years of treatment. The annual growth rate increased during the 1st year in both groups and sexes, the increase being significant (p < 0.01) in group A only. Patients of group A kept an improved growth velocity in the 2nd year, then returned to pretreatment growth rate in the 3rd year, while completing their sexual development and bone maturation. Their height, expressed as standard deviation score (SDS) for bone age, improved in the first 2 years, but decreased thereafter. Group B patients returned to pretreatment growth velocity in the 2nd year, and had no significant improvement in growth rate in the 3rd year with GH alone. Their bone maturation, slow when on the GnRH agonist, accelerated when sexual development resumed. At the end of the 3 years, height, expressed as SDS for age, improved in group A from -2.5 ± 0.6 to -1.5 ± 0.4 in males (p < 0.05) and from -2.8 ± 0.5 to -2.1 ± 0.9 in females (NS). In group B there was no significant progress in height for age at any time. Mean height SDS for bone age slightly improved in males (NS) but not in females. In both groups, the mean predicted height according to Bayley and Pinneau was slightly, nonsignificantly increased at the end of 3 years on GH, with a gain of 2-5 cm on average, depending on the group. There was a wide interindividual variability in these results within each group. Looking for possible correlations of results with pretreatment characteristics of the patients did not account for such differences. The only correlations found were within group A, one negative between total height gain in 3 years and the patient’s height at the onset of treatment, and one positive between growth rates in years 2-3 and year 1 of the study. The annual measurement of plasma IGF1 showed different degrees of increase, not correlated with the growth changes. The most certain conclusion of this study is that inhibiting sexual development in constitutionally short pubertal subjects has no advantage and must be avoided. The other possible conclusion is that GH alone can accelerate growth for 2 years, and slightly improve the predicted height in relation to the result of the first year of treatment. The expected results cannot be overestimated. The present data cannot be considered as an opening for the possible routine use of GH in endocrinologically normal short adolescents.
© 1994 S. Karger AG, Basel
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Article / Publication Details
Received: August 04, 1993
Accepted: November 30, 1993
Published online: December 05, 2008
Issue release date: 1994
Number of Print Pages: 8
Number of Figures: 0
Number of Tables: 0
ISSN: 1663-2818 (Print)
eISSN: 1663-2826 (Online)
For additional information: https://www.karger.com/HRP
Copyright / Drug Dosage / Disclaimer
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.
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