To Study And Compare Bioavailability And Safety Of Four Different Formulations Of The Study Drug

Inclusion Criteria:

• Healthy as determined by a responsible physician, based on medical evaluations performed at screening.
• Healthy adults between 18 and 60 years of age, inclusive.
• Body weight proportional to height.
• Capable of giving written informed consent.
• Female subjects must be of non-childbearing potential.
• QTc less than 450 msec at screening

Exclusion Criteria:

• Any clinically relevant abnormality identified on the screening history and physical or on the 12-lead surface electrocardiogram at screening or pre-dose.
• The subject has a positive pre-study alcohol/urine drug screen.
• History of regular use of tobacco, or nicotine-containing products.
• A positive pre-study HIV antibody, Hepatitis B surface antigen (HBsAg) or Hepatitis C antibody result within 3 months of screening.
• Use of certain prescription or non-prescription drugs, including vitamins, herbal and dietary supplements.
• An unwillingness to comply with lifestyle and/or dietary restrictions.