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https://hdl.handle.net/2440/113497
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Type: | Journal article |
Title: | Protocol for a randomised control trial of bisphosphonate (zoledronic acid) treatment in childhood femoral head avascular necrosis due to Perthes disease |
Author: | Jamil, K. Zacharin, M. Foster, B. Donald, G. Hassall, T. Siafarikas, A. Johnson, M. Tham, E. Whitewood, C. Gebski, V. Cowell, C.T. Little, D.G. Munns, C.F. |
Citation: | BMJ Paediatrics Open, 2017; 1(1):e000084-1-e000084-8 |
Publisher: | BMJ Publishing Group |
Issue Date: | 2017 |
ISSN: | 2399-9772 2399-9772 |
Statement of Responsibility: | Kamal Jamil, Margaret Zacharin, Bruce Foster, Geoffrey Donald, Timothy Hassall, Aris Siafarikas, Michael Johnson, Elaine Tham, Colin Whitewood, Val Gebski, Chris T Cowell, David Graham Little, Craig Frank Munns |
Abstract: | Introduction: Perthes disease (PD) is an idiopathic disorder presenting with avascular necrosis to the femoral head, which frequently results in flattening. Long-term function is directly related to the subsequent femoral head sphericity. Current treatment includes mechanical modalities and surgical procedures, which are therapeutic but are not uniformly able to prevent collapse. The use of the nitrogen-containing bisphosphonate zoledronic acid (ZA) to inhibit osteoclastic bone resorption is aimed at preserving femoral head strength, reducing collapse and thus maintaining shape. The proposed multicentre, prospective, randomised controlled trial intends to evaluate the efficacy of ZA treatment in PD. Methods and Analysis: An open-label randomised control trial recruiting 100 children (50 each treatment arm) 5 to 16 years old with unilateral PD. Subjects are randomly assigned to either (a) ZA and standard care or (b) Standard care. The primary outcome measure is deformity index (DI), a radiographic parameter of femoral head roundness assessed at 24 months, following 12 months of ZA treatment (3-monthly doses of ZA 0.025 mg/kg at baseline, 3, 6, 9 and 12 months) plus 12 months observation (group A) or 24 months of observation (group B). Secondary outcome measures are femoral head subluxation, Faces Pain scale, Harris hip score and quality of life. Assessments are made at baseline, 3 monthly during the first year of follow-up and then 6 monthly, until the 24th month. Ethics and Dissemination: The study commenced following the written approval from the Human Research Ethics Committee. Safety considerations regarding the effects of ZA are monitored which include the subject's symptomatology, mineral status, bone mass and turnover activity, and metaphyseal modelling. Data handling plan requires that all documents, clinical information, biological samples and investigation results will be held in strict confidence by study investigators to preserve its safety and confidentiality. |
Keywords: | Bone disease; endocrinology |
Rights: | © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted. |
DOI: | 10.1136/bmjpo-2017-000084 |
Grant ID: | NHMRC |
Published version: | http://dx.doi.org/10.1136/bmjpo-2017-000084 |
Appears in Collections: | Aurora harvest 8 Medicine publications |
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