May 7, 2008 – Lantheus Medical Imaging initiated CaRES (Contrast Echocardiography REgistry for Safety Surveillance), a multicenter Phase IV observational study that will further evaluate the safety profile of DEFINITY Vial For (Perflutren Lipid Microsphere) Injectable Suspension in patients with suboptimal echocardiograms, to explore the safety profile of DEFINITY for which the FDA posted an alert on Oct. 10, 2007.
