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      Effects of a Met-Enkephalin Analogue and Naloxone Infusion on Anterior Pituitary Hormone Secretion in Acromegaly

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          Abstract

          The effect of a long-acting analogue of Met-enkephalin (Damme) and naloxone on anterior pituitary hormone secretion has been investigated in 14 acromegalic patients. Damme produced a progressive fall in circulating LH and cortisol and stimulated prolactin release in normoprolactinaemic patients. Naloxone infusion significantly stimulated gonadotrophin and cortisol secretion without modifying basal prolactin release both in normo- and hyperprolactinaemic patients. GH levels remained unchanged during naloxone and Damme infusion. The data suggest that endogenous opiate receptors do not play a major role in modulating GH hypersecretion in acromegaly.

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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
          1981
          1981
          25 November 2008
          : 15
          : 2
          : 88-98
          Affiliations
          aDepartment of Internal Medicine, ISMI, Cattedra di Endocrinologia; bCattedra di Semeiotica Medica R, Genoa, Italia
          Article
          179438 Horm Res 1981;15:88–98
          10.1159/000179438
          6276286
          © 1981 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: 11
          Categories
          Original Paper

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