Rofecoxib inhibits heterotopic ossification after total hip arthroplasty.
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SourceArchives of Orthopaedic and Trauma Surgery, 127, 7, (2007), pp. 557-561
Article / Letter to editor
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Archives of Orthopaedic and Trauma Surgery
SubjectNCEBP 10: Human Movement & Fatigue; UMCN 4.3: Tissue engineering and reconstructive surgery; NCEBP 10: Human Movement & Fatigue
INTRODUCTION: Nonsteroidal anti-inflammatory drugs (NSAIDs) prevent heterotopic ossification but gastrointestinal complaints are frequently. Selective cyclooxygenase-2 (COX-2) inhibiting NSAID produce less gastrointestinal side effects. PATIENTS AND METHODS: A prospective two-stage study design for phase 2 clinical trials with 42 patients was used to determine if rofecoxib (a COX-2 inhibitor) 50 mg oral for 7 days prevents heterotopic ossification. A cemented primary THA was inserted for osteoarthroses. After 6 months heterotopic bone formation was assessed on AP radiographs using the Brooker classification. RESULTS: No heterotopic ossification was found in 81% of the patients, 19% of the patients had Brooker grade 1 ossification. CONCLUSION: Using a two-stage study design for phase 2 clinical trials, a 7-day treatment of a COX-2 inhibitor (rofecoxib) prevents effectively the formation of heterotopic ossification after cemented primary total hip arthroplasty.
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