An Investigation of Effectiveness and Safety of Varenicline Tartrate in Helping People Quit Smoking

A Prospective, Randomized, Double-Blind, Placebo-Controlled, Multi-Center Multinational Study Of Efficacy And Safety Of Varenicline Tartrate For Smoking Cessation

To investigate safety and efficacy of varenicline tartrate in helping people quit smoking

Inclusion Criteria:

• Current cigarette smokers between the ages of 18 and 75 years, who are motivated to stop smoking

Exclusion Criteria:

• Patients currently suffering from depression, or have been diagnosed with depression in the last 12 months, or subjects with past or present history of psychosis, panic disorder, or bipolar disorder
• Any subject with known severe chronic obstructive pulmonary disease (COPD)