FDA expands Chantix warnings to include increased heart risks
August 1st, 2011 by Kurt Niland
The black-box warning on Pfizer’s smoking-cessation drug Chantix (varenicline) just got bigger, following the results of a new study that found the drug caused an increased risk of heart attack and other adverse cardiac events in some patients. According to the U.S. Food and Drug Administration, the warning on Chantix labeling will include information about the safety and effectiveness of the drug in patients with existing cardiovascular disease and those with chronic obstructive pulmonary disease (COPD).


Reynolds American, the second largest American producer of cigarettes and other tobacco products, is in the advanced stages of negotiating a purchase of
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