Test the hypothesis that increasing doses of CP-866,087 will decrease the total number of drinks consumed during a 2 hour acute alcohol consumption assessment and to determine the safety and tolerability of multiple doses of CP-866,087 in alcohol dependent subjects compared to placebo.

Inclusion Criteria:

• Subject meets the DSM-IV criterion for current alcohol dependence.
• Subject is currently not engaged in, and does not want, treatment for alcohol related problems.

Exclusion Criteria:

• Subject meets criteria for current DSM-IV diagnosis for any other psychoactive substance abuse or dependence disorder, excluding nicotine and caffeine.
• Specialized inpatient or outpatient alcoholism or other addiction treatment (except nicotine) within the past 12 months.