(3rd September, 2014); The new agent, an angiotensin receptor-neprilysin inhibitor (ARNI) known as LCZ696, has already been granted Fast Track status by the United States Food and Drug Administration (FDA) – a designation which can expedite the review of new medicines intended to treat serious or life-threatening conditions. And surprisingly, LCZ696 was superior to ACE-inhibitor, enalapril, on key endpoints in the largest heart failure study ever done.