We have recently learned of another potential danger in the use of the drug Chantix, adding to the already long list of potential side effects, which include visual disturbances, suicide, violence and depression, among other things.
New medical research suggests that the use of Chantix increases the risk of cardiovascular diseases, including heart attacks and stroke. Chantix (which is the trade name for the drug varenicline) is a smoking cessation drug, manufactured by Pfizer, and which was approved by the FDA in 2006. The new study results follow a safety notice issued by the FDA last month, warning Chantix users with cardiovascular disease of a possible increase in the risk of cardiovascular events, including heart attack.
The Canadian Medical Association Journal published the results of a review study indicating that the risk of serious cardiovascular events in Chantix users is 72% higher in tobacco users than non Chantix users. While Chantix has not yet been recalled, at least one of the authors of the study suggested that it should be pulled from the market until a complete investigation has been performed.
The lead author of the study was Dr. Sonal Singh. Dr. Singh says the FDA and Pfizer have failed to pursue signs of this known risk since Chantix was approved in 2006, according to a New York Times article on the study.
“The F.D.A. should have already put it on their warning label,” Dr. Singh said. “The risk is substantial, the risk is present in smokers without heart disease, and Pfizer knew about this for five years.”
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