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      Molsidomine

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          Abstract

          Molsidomine is an established drug for the treatment of coronary heart disease. It acts via the metabolite SIN-1 through liberation of NO. Experiments have proven the identity of NO and EDRF. Investigation of the molecular mechanism of action of molsidosmine/SIN-1 indicate that molecular oxygen initiates NO formation through a one-electron abstraction from the intermediate. Ex vivo experiments in rats and in vitro studies in human coronary arteries showed that marked tolerance is induced with glyceryl trinitrate, whereas prolonged exposure to SIN-1 does not cause tolerance. Responsiveness to SIN-1 is not modified in nitrate-tolerant human arteries. Stimulation of soluble guanylate cyclase underlies the antiaggregatory actions of EDRF. Likewise SIN-1 inhibits platelet aggregation in various models. In dogs and pigs with critical stenosis molsidomine reduced significantly the frequency and the severity of cyclical reductions of coronary blood flow.

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          Author and article information

          Journal
          JVR
          J Vasc Res
          10.1159/issn.1018-1172
          Journal of Vascular Research
          S. Karger AG
          978-3-8055-5330-8
          978-3-318-01614-7
          1018-1172
          1423-0135
          1990
          1990
          23 September 2008
          : 27
          : 2-5
          : 282-294
          Affiliations
          Department of Pharmaceutical Research, Cassella AG, Frankfurt, FRG
          Article
          158820 Blood Vessels 1990;27:282–294
          10.1159/000158820
          © 1990 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: 13
          Categories
          Mechanisms of Vasodilatation

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