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In a recent randomized trial, provision of evidence-based drug therapy after myocardial infarction at no cost to the patients, while failing to show benefit with regard to the primary composite endpoint, was associated with improvement in both adherence and vascular events (JW Cardiol Nov 14 2011). Now, the same research group has studied the effects of reducing co-payments for statins and clopidogrel on adherence, resource utilization, and events in 2830 employees of a large company as compared with 49,801 employees of companies that did not change their co-payment policies. Pharmacy and medical services claims data from 1 year before through 1 year after the change in co-payment policy were included in the analysis.
In the intervention gro…