Cardiovascular thrombotic events in arthritis trials of the cyclooxygenase-2 inhibitor celecoxib**The investigators had full access to the data and complete control over the design, conduct analysis, interpretation, and description of the study. The sponsor of the study had no role in study design, data collection, data analysis, data interpretation, or in writing the report. The views expressed are those of the investigators alone
Abstract
To determine whether the cyclooxygenase-2 (COX-2) inhibitor celecoxib affects cardiovascular thrombotic risk, we analyzed the incidence of cardiovascular events for celecoxib, placebo, and nonsteroidal anti-inflammatory drugs (NSAIDs) in the entire controlled, arthritis clinical trial database for celecoxib. The primary analysis used the Antiplatelet Trialists' Collaboration end points, which include: (1) cardiovascular, hemorrhagic, and unknown deaths, (2) nonfatal myocardial infarction, and (3) nonfatal stroke. Other secondary thrombotic events were also examined. Separate analyses were performed for all patients and for those not taking aspirin. Data from all controlled, completed arthritis trials of > or =4 weeks duration, including 13 new drug application studies and 2 large post-marketing trials (CLASS and SUCCESS) were included for analyses. Patients were randomized to celecoxib at doses from 100 to 400 mg twice daily (18,942 patients; 5,668.2 patient-years of exposure), diclofenac 50 to 75 mg twice daily, ibuprofen 800 mg thrice daily, naproxen 500 mg twice daily (combined NSAID exposure of 11,143 patients; 3,612.2 patient-years), or placebo (1,794 subjects; 199.9 subject-years). Data from a long-term uncontrolled trial with 5,209 patients (6,950 patients-years) treated with celecoxib were included in a supplemental analysis. The entire 15-trial database was searched for possible serious thrombotic events as well as to identify all deaths. For these patients,…
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