Nearing the finish line? The asymptomatic Carotid Atherosclerosis Study.


More than 1,200 patients have been randomized into the Asymptomatic Carotid Atherosclerosis Study (ACAS), and recruitment continues at a rate of about 30 per month. Fifteen hundred is the calculated sample size needed to answer the question, "Does endarterectomy in addition to best medical management and 325 mg aspirin daily significantly reduce the… (More)