I forbindelse myokardieinfarkt med ST- elevation blev Plavix sammenlignet med placebo i to undersøgelser, nemlig CLARITY (over 3 000 patienter, hvor disse fik Plavix i op til 8 dage) og COMMIT (næsten 46 000 patienter, hvor disse fik Plavix med eller uden metropolol i op til 4 uger).
In ST-elevation myocardial infarction, Plavix was compared with a placebo in two studies, CLARITY (over 3,000 patients, where the patients received Plavix for up to eight days) and COMMIT (almost 46,000 patients, where the patients received Plavix with or without metoprolol for up to four weeks).