Results From the SEAS (Simvastatin and Ezetimibe in Aortic Steno...(dy was established for all patients. All...),Health

The scientific leadership of the study was a Steering Committee consisting of 14 academic representatives of centres in each of the participating countries and two members (a statistician and a coordinator) representing the funders. The SEAS study is funded by the pharmaceutical companies Merck Sharp & Dohme (MSD) and Schering-Plough who market the drugs being tested. All clinical endpoint events were adjudicated by an independent committee that was blinded to the study treatment allocation. The study was monitored by an independent Data Safety and Monitoring Board. Data collection was performed by MSD, and the data were analyzed by statisticians at Ulleval University Hospital in Oslo, Norway, and at MSD.

The primary endpoint of the SEAS study was "major cardiovascular events", which is the composite of events associated with aortic valve disease and with atherosclerotic disease. The secondary endpoints were the two separate components of the primary endpoint: "aortic valve disease events" (surgical valve replacement, hospitalization because of heart failure, and cardiovascular death); and "atherosclerotic disease events" (non-fatal myocardial infarction, coronary artery bypass surgery or percutaneous coronary intervention, hospitalization because of unstable angina pectoris, non-haemorrhagic stroke and cardiovascular death). Subsidiary outcomes included echocardiographic evidence of aortic stenosis progression and safety.

Compared with placebo, the combination of simvastatin and ezetimibe reduced LDL-cholesterol by an average of 61%, corresponding to a reduction of about 2 mmol/L (76 mg/dl), and this effect was sustained throughout the study. 688 patients had one or more primary endpoint events. No significant difference was observed between the treatment groups for the combined primary endpoint (333 patien
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