Evaluation of Varenicline Safety, Tolerability, Pharmacokinetics and Pro-Cognitive Effects in Healthy Elderly Non-Smoking Subjects

A Randomized, Investigator and Subject Blind, Sponsor Open Parallel Group Phase 1 Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pro-Cognitive Effects of Varenicline, Under Various Titration Schemes, in Healthy Elderly Non-Smoking Subjects

1. Characterize the tolerability and safety of repeated doses of varenicline in healthy non-smoking elderly subjects.
2. Describe the steady state pharmacokinetics of varenicline in healthy non-smoking elderly subjects.
3. Evaluate the potential effects of repeat doses of varenicline on cognition in healtly non-smoking elderly subjects.

Inclusion Criteria:

Healthy, Elderly (65-85 years inclusive), Non-smoker

Exclusion Criteria:

Creatinine Clearnace < 30 ml/min, Evidence or history of clinically significant, unstable diseases