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Treatment of Henoch-Schönlein Purpura Glomerulonephritis in Children with High-Dose Corticosteroids plus Oral Cyclophosphamide
Abstract
Background: Henoch-Schönlein Purpura (HSP) is a common childhood vasculitis with manifestations in numerous organ systems, including glomerulonephritis. Patients with more severe HSP-associated glomerulonephritis may develop chronic renal failure. Currently, no widely accepted treatment protocols exist for patients with significant renal involvement. Methods: We retrospectively reviewed the clinical courses of 12 children (mean age 9 years) with HSP glomerulonephritis treated with high-dose corticosteroids plus oral cyclophosphamide. All patients had nephrotic-range proteinuria, and all had significant histopathologic changes on biopsy, including crescentic nephritis in 10 patients. Treatment consisted of either intravenous pulse methylprednisolone or oral prednisone followed by oral cyclophosphamide (2 mg/kg/day) for 12 weeks, along with either daily or alternate-day oral prednisone. Prednisone was tapered following completion of cyclophsophamide. Results: Serum albumin rose significantly after treatment from 2.8 ± (SD) 0.5 to 3.7 ± 0.4 g/dl (p < 0.001), and there was a concurrent reduction in proteinuria, as reflected by decreasing serial protein-to-creatinine ratios: from 6.3 ± 4.4 to 0.8 ± 0.8 (p = 0.002). Renal function remained normal in all patients. Hypertension developed during treatment in 10 patients, all but 1 of whom were normotensive at last follow-up, 35 ± 17 months following biopsy. Conclusions: We conclude that treatment of children with HSP nephritis with high-dose corticosteroids plus oral cyclophosphamide is safe and, as in nephrotic syndrome, appears to significantly reduce proteinuria which is a known risk factor for the development of renal insufficiency in HSP. Further studies with larger numbers of patients should be conducted to confirm this finding.
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46235 Am J Nephrol 2001;21:128–133Copyright: 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.