November 7, 2011

The Food and Drug Administration has approved a drug made by Johnson & Johnson for preventing stroke in patients with abnormal heart rhythm, the agency said.

August 29, 2011

A drug made by Pfizer and Bristol-Myers Squibb undergoing late-stage clinical trials was more effective than the generic drug warfarin in patients with atrial fibrillation, according to study results released Sunday.

March 17, 2010

An investigational pill reduced bleeding in patients with atrial fibrillation better than a widely available...