MedIndia | FDA Alert : Multaq (Dronedarone) Increased Risk Of Death / Cardiovascular Problems Medical News Today A trial of the drug in heart failure was stopped as an interim analysis showed a possible increase in heart failure deaths, in patients with moderate to severe Coronary Heart Failure. Chemically, dronedarone is a benzofuran derivative related to ... Heart drug doubles risk for heart failure Sanofi's Multaq Losing Rhythm? FDA Further Restricts Use of Sanofi's Multaq |