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      Comparison of Antiallergic Drugs in an Experimental Model of Ocular Anaphylaxis

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          Abstract

          Purpose: To compare the efficacy of antiallergic drugs in an experimental ocular anaphylaxis model. Materials and Methods: Fifty-two rats were divided into 8 groups. Dithiothreitol and ovalbumin (OVA) were applied to both eyes of previously OVA-inoculated rats in groups 1–5 and 7. In groups 1–5, antiallergic efficacy of the drugs (lodoxamide, sodium cromoglycate, levacobastine, cimetidine, and diclofenac sodium) instilled on the right eyes were compared with the buffer instilled on the left eyes, measuring the amount of extravasated Evans blue (EB) dye by spectrophotometric analysis. Group 6 served as a control of EB dye extravasations in nonimmunized eyes. Histopathologic examinations for anaphylaxis and controls were done in groups 7 and 8. Results: Only levacobastine and lodoxamide decreased vascular permeability at a significant ratio (46%, p < 0.01 and 31%, p < 0.05, respectively). Conclusion: Levacobastine and lodoxamide but none of the three other drugs mentioned above were found to be effective in decreasing vascular permeability.

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          Author and article information

          Journal
          OPH
          Ophthalmologica
          10.1159/issn.0030-3755
          Ophthalmologica
          S. Karger AG
          0030-3755
          1423-0267
          2003
          April 2003
          27 February 2003
          : 217
          : 2
          : 119-123
          Affiliations
          aGülhane Military Medical Academy and Medical School(GATA), Ankara, and bOphthalmology Department, Erzurum Military Hospital, Erzurum, Turkey
          Article
          68551 Ophthalmologica 2003;217:119–123
          10.1159/000068551
          12592050
          © 2003 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: 2, Tables: 2, References: 22, Pages: 5
          Categories
          Original Paper

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