A Study to Evaluate the Interaction Between Vicodin® CR and Ethanol in Healthy Male and Female Moderate Alcohol Drinkers

Inclusion Criteria: * Males and females ages 19 to 55 * If female, must be of non-child bearing potential or practicing birth control * Current alcohol users who are classified as moderate drinkers (defined as 7-21 drinks per week) Exclusion Criteria: * Intolerance towards ethanol * Is allergic to or has a serious reaction to hydrocodone, other opioids, or acetaminophen * Significant GI narrowing or abnormality with a potential to inhibit GI motility or tablet transport * History of seizures or convulsions, head injury or other intracranial lesions, or a pre-existing increase in intracranial pressure * Has any clinically significant abnormalities on physical examination, ECG, or laboratory values * Treatment with any investigational drug within 30 days of administration of study drug in the Treatment Phase