The controversial smoking cessation drug known as Chantix in the U.S., was introduced by Pfizer as Champix nearly two years ago in Great Britain. The drug is known generically as varenicline in both countries and, in Great Britain, about 400,000 prescriptions have been written says BBC News’ online site. Internationally, says the BBC, about nine million prescriptions have been written.
The BBC explains that Chantix is a nicotine-mimicking drug that enables the body to reduce its urge for cigarettes while also reducing its withdrawal symptoms. However, in studies, the drug did not provide increased efficacy over other methods of smoking cessation. Despite this, notes the BBC, Pfizer earned over $883 million from the drug in its first year. (more…)

