- New Outcomes Trial to Expand Evidence for Dronedarone in a Different AF Population Sanofi-aventis (EURONEXT: SAN and NYSE: SNY) announced today the initiation of a multinational, randomized, double-blind Phase IIIb trial, PALLAS, to assess the potential clinical benefit of Multaq(R) (dronedarone) in over 10,000 patients with permanent atrial fibrillation (AF) to reduce major adverse cardiovascular events. The announcement was made during Heart Rhythm 2010, the Heart Rhythm Society's 31st