A methodologic study of post-marketing drug evaluation using a pharmacy-based approach.

There has been an increasing interest in monitoring medications in their customary use after they are marketed. A variety of approaches have been discussed. This study was undertaken to test the feasibility of assembling a cohort of patients receiving target medications through the pharmacist and following the patients for their health course over a period of one month. The class of drugs chosen with oral antibacterials. The logic and strategy of this approach as a model is presented along with the methods and the results.