Twelve-Week Study Evaluating the Safety and Efficacy of Varenicline Tartrate ( CP-526,555) in Comparison to Zyban for Smoking Cessation

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Investigator: Victor I. Reus, MD
Sponsor: Pfizer

Location(s): United States

Description

The primary purpose of this study is to evaluate the safety and efficacy of varenicline given for a twelve week treatment period in comparison with placebo and Zyban for smoking cessation.