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      Suppression of Puberty in Girls with Short-Acting Intranasal versus Subcutaneous Depot GnRH Agonist

      , ,

      Hormone Research in Paediatrics

      S. Karger AG

      Puberty, Precocious, GnRH analogue, Long-acting, Girls

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          Abstract

          Background/Aim: Central precocious puberty (CPP) is more common in females than in males. During the last few decades a new group of patients with CPP has been seen frequently in Northern Europe, namely children adopted from developing countries. GnRH analogue preparations, administered either as intranasal spray or as depot preparations, are the drugs of choice for inhibiting the release of gonadotropins. The aim of this study was to compare the effect of buserelin given by intranasal spray with that of the same compound given as a subcutaneous depot preparation. Methods: The study group comprised 46 pubertal girls below the age of 9.5 years, adopted from a developing country. During the first 2 years, the treatment used was buserelin acetate 300 µg 6 times daily as a nasal spray. During the third year the treatment was changed to Suprefact Depot, 6.3 mg, given as a subcutaneous implant every 8 weeks. Half of the girls were randomized to growth hormone treatment in addition to the pubertal inhibition. Results: GnRH provocation tests after 6 weeks, 1 year and 2 years of treatment with intranasal GnRH analogue showed suppression of gonadotropin secretion except in 1 case of noncompliance. During the third year, when the long-acting depot preparation was used, suppression was more pronounced. The peak LH response, especially, was considerably lower than during treatment with the nasal spray preparation. In all cases the clinical inhibition of puberty was adequate both during the first two years and during the third year. Conclusion: Even though the clinical suppression of puberty was adequate with both modes of administration, the effect of the depot preparation, in this study Suprefact Depot, was more pronounced in terms of gonadotropin suppression and less dependent on patient compliance.

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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
          2002
          2002
          29 April 2002
          : 57
          : 1-2
          : 27-31
          Affiliations
          Department of Women’s and Children’s Health, Uppsala University Children’s Hospital, Uppsala, Sweden
          Article
          57943 Horm Res 2002;57:27–31
          10.1159/000057943
          12006716
          © 2002 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: 1, Tables: 1, References: 28, Pages: 5
          Categories
          Original Paper

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