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      Long-Term Outcome of Male-Limited Gonadotropin-Independent Precocious Puberty

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          Abstract

          Long-term outcome of five new cases of male-limited precocious puberty (MPP) is reported. Three patients had positive family history. One patient was untreated; 2 boys received cyproterone acetate (2.0-3.6 mg/kg/daily) without clinical effects. Two patients were treated with ketoconazole (600 mg/daily); in 1, GnRH analogue therapy (Buserelin, 1,600 µg/day) was added after 6 months of effective ketoconazole treatment for development of central precocious puberty. The other patient did not develop central puberty under ketoconazole treatment and improved his predicted adult height from 172.4 to 181.1 cm. Four patients reached final height [B.A. (therapy cyproterone acetate): age 22.0 years, -2.0 SDS; B.G. (untreated): age 15.5 years, -1.7 SDS; M.M. (therapy cyproterone acetate): age 19.5 years, -1.6 SDS; M.F. (therapy ketoconazole plus GnRH analogue): age 21.3 years, -2.2 SDS]; three had reduced testicular volume (B.A.: -1.6/-1.6 SDS; B.G: -2.1/-2.1 SDS; M.F.: -2.4/-1.9 SDS); one (M.F.) showed oligospermia. We concluded that in MPP cyproterone acetate treatment did not improve final height; ketoconazole was effective in reducing testosterone secretion, but its real effect on final height cannot be determined; the timing of central puberty may be precocious, suggesting that an adjunctive GnRH analogue treatment may be needed. In some patients, testicular impairment may be present in young adulthood.

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          Author and article information

          Journal
          HRE
          10.1159/issn.0018-5051
          Hormone Research in Paediatrics
          S. Karger AG
          0018-5051
          2571-6603
          1997
          1997
          10 December 2008
          : 48
          : 5
          : 235-239
          Affiliations
          aEndocrine Unit, II Paediatric Clinic, University of Pisa; bEndocrine Unit, Paediatric Hospital ‘Regina Margherita’, Torino; cDiabetology, Paediatric Hospital ‘Bambino Gesù’, Palidoro, Roma, Italy
          Article
          185521 Horm Res 1997;48:235–239
          10.1159/000185521
          © 1997 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
          Pages: 5
          Categories
          Case Report

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