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      Use of LHRH Agonists in the Treatment of Anovulation in Women with Polycystic Ovary Syndrome

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          Abstract

          The long-acting agonist analogue of LHRH, Buserelin (Hoechst) has been used to suppress endogenous gonadotrophins prior to induction of ovulation with low dose human menopausal gonadotrophin (HMG) in women with clomiphene-resistant polycystic ovary syndrome (PCOS). The results have been compared with those in a similar group of patients treated with HMG alone. Buserelin (900–1,500 µg/day) was given intranasally to 11 women who thereafter received a total of 33 cycles of treatment with low-dose HMG. The control group comprised 16 women who received 40 cycles of HMG without Buserelin pretreatment. The ovulation rate was similar in the two groups: Buserelin + HMG 70%, HMG alone 68% and both groups showed a high rate of single follicle ovulation (52 and 63%, respectively). The threshold dose of gonadotrophin required to induce a single follicle was similar in the two groups. Premature elevation of LH in the late follicular phase was common in women who received HMG alone, but did not occur in any cycle in the patients receiving Buserelin pretreatment. In summary, these data show that pretreatment with an LHRH analogue prevents a premature LH surge but it remains to be determined whether this will have a significant bearing on the rate of successful pregnancy in women with PCOS.

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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
          978-3-8055-4822-9
          978-3-318-01956-8
          1663-2818
          1663-2826
          1987
          1987
          28 November 2008
          : 28
          : 2-4
          : 164-168
          Affiliations
          Department of Obstetrics and Gynaecology, St. Mary’s Hospital Medical School, London, UK
          Article
          180940 Horm Res 1987;28:164–168
          10.1159/000180940
          3136067
          © 1987 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
          Recent Advances in the Pharmacological Control of Gonadal Function

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