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Background and Objective - PowerPoint PPT Presentation

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Background and Objective
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  1. Background and Objective • In the recently reported Simvastatin and Ezetimibe in Aortic Stenosis (SEAS) trial, the combination of ezetimibe/simvastatin (E/S) was associated with a significantly increased risk of cancer compared to placebo, causing widespread public concern. • We examined the rates of cancer adverse event reports filed with the US Food and Drug Administration (FDA) of patients on ezetimibe or E/S, and compared these to reports with other potent cholesterol-lowering drugs. Alsheikh-Ali and Karas JCL 3(2):138-142, 2009

  2. Methods • We tabulated all adverse event reports listing ‘‘cancer’’ or ‘‘malignancy’’ filed with the FDA (July 2004 to March 2008) of patients taking ezetimibe or E/S, and compared those to reports of patients taking simvastatin, atorvastatin, or rosuvastatin. • We calculated rates for such reports per million prescriptions. A secondary analysis examined cancer reports as a proportion of all reported adverse events for each medication. Alsheikh-Ali and Karas JCL 3(2):138-142, 2009

  3. Results • Prescriptions for all drugs totaled 559 million (approximately 52 and 55 million prescriptions of ezetimibe and E/S, respectively), and cancer adverse event reports totaled 2334. • There were 2.9 and 1.3 cancer-associated adverse event reports per million ezetimibe or E/S prescriptions, respectively, compared to a range of 3.1 to 5.1 per million prescriptions for the other drugs. Alsheikh-Ali and Karas JCL 3(2):138-142, 2009

  4. Results • Findings were similar when only reports listing the drug as ‘‘suspect’’ were considered. • The proportions of reports listing cancer relative to all adverse event reports were 2.0% and 1.9% for ezetimibe and E/S, respectively, compared to a range of 1.3% to 3.9% for the other drugs. Alsheikh-Ali and Karas JCL 3(2):138-142, 2009

  5. Results Table 1: Characteristics of cancer associated adverse event reports. Alsheikh-Ali and Karas JCL 3(2):138-142, 2009

  6. Results *P < 0.01 versus ezetimibe/simvastatin †P < 0.01 versus ezetimibe Alsheikh-Ali and Karas JCL 3(2):138-142, 2009

  7. Results *P < 0.01 versus ezetimibe/simvastatin †P < 0.01 versus ezetimibe Alsheikh-Ali and Karas JCL 3(2):138-142, 2009

  8. Results Table 2: Rates of cancer associated adverse event reports in patients treated with the combination ezetimibe/simvastatin and other potent cholesterol lowering drugs (rate per million prescriptions). Alsheikh-Ali and Karas JCL 3(2):138-142, 2009

  9. Conclusions • This large-scale post-marketing analysis of reported adverse events does not support that ezetimibe or E/S increase the risk of cancer. Alsheikh-Ali and Karas JCL 3(2):138-142, 2009