A Study to Assess the Relative Bioavailability Three New Formulations of Telaprevir in Healthy Subjects

Inclusion Criteria: * Healthy subjects (male and female of non-childbearing potential) between the ages of 18 and 55 years * Non-childbearing potential female subjects * Male subjects and female partners must agree to use at least 2 methods of contraception * Subjects with a body mass index (BMI) of 18 to 30 kg/m2 and weigh \>50 kg at the Screening Visit. Exclusion Criteria: * Subjects with a positive test result for hepatitis B, hepatitis C, or HIV * Subjects with a significant history of any illness, as deemed important by the investigator or any condition possibly affecting drug absorption * Subjects with a positive urine screen for drugs of abuse * Subjects with a history of regular alcohol consumption * Subjects treated with an investigational drug within 30 days * For Part A only: Subjects with 12-lead ECG QTcF \>450 msec (males) or QTcF \>470 msec (females) at the Screening Visit * Subjects who use prescription and/or nonprescription medications or vitamins and/or dietary supplements * Subjects who have made a blood donation of approximately 1 pint (500 mL) within 56 days prior to the first dose of study drug * Subjects who have a female partner who is pregnant, nursing, or planning to become pregnant during the study or within 90 days of the last dose of study drug * Subjects on hormone replacement therapy (HRT) must discontinue such therapy 28 days prior to the first dose of study drug * Subjects who have a habit of using tobacco or nicotine containing products within 6 months before the Screening Visit