Pfizer Inc announced that on May 8, 2008, it will launch Champix® Tablet 0.5mg/1mg (varenicline tartrate), a novel smoking cessation aid for smokers with nicotine dependence in Japan, which has one of the highest rates of smoking among developed nations.Champix was developed as the first non-nicotine drug designed for smoking cessation in the United States and will be the first oral smoking cessation aid available in Japan.