The purpose of this study is to estimate the effect of high fat meal and increased gastric pH on BMS-663068 bioavailability

Inclusion Criteria:

1. Signed Informed Consent
2. Target population: Healthy males and females.
3. Males and females
4. Women of child bearing potential (WOCBP) with negative serum or urine pregnancy test
5. Women must not be breastfeeding
6. Men and WOCBP must agree to follow instructions for contraception

Exclusion Criteria:

1. History of any chronic or acute illness or gastrointestinal disease
2. Any major surgery within 4 weeks of study drug administration
3. Evidence of organ dysfunction or any clinically significant deviation from normal in physical examination, vital signs, ECG or clinical laboratory determinations beyond what is consistent with the target population.
4. History of allergy to HIV attachment inhibitors, famotidine or high fat meal
5. History of smoking