Pharmacokinetic Interaction Between Maraviroc And Fosamprenavir/Ritonavir In Healthy Subjects

Inclusion Criteria: * Healthy male and/or female subjects between the ages of 21 and 55 years, inclusive. * Body Mass Index (BMI) of 17.5 to 30.5 kg/m2. * Total body weight \>45 kg (99 lbs). Exclusion Criteria: * History of regular alcohol consumption exceeding 14 drinks/week for females or 21 drinks/week for males (1 drink = 5 ounces (150 mL) of wine or 12 ounces (360 mL) of beer or 1.5 ounces (45 mL) of hard liquor) within 6 months of screening. * Use of tobacco- or nicotine-containing products in excess of the equivalent of 5 cigarettes per day. * Treatment with an investigational drug within 30 days (or as determined by the local requirement, whichever is longer) or 5 half-lives preceding the first dose of study medication. * Known hypersensitivity or history of allergy to sulfonamides.