A First-in-Human Study of JNJ-28431754 in Healthy Male Volunteers

Part 1: One oral dose of JNJ 28431754 (10 mg to 600 mg) or matching placebo will be administered after an overnight fast of at least 10 hours .For patients who receive a previously tested dose as 2 equally divided doses, the evening dose will be administered at 10 hours after the morning dose.

Part 2: A single dose of JNJ-28431754 will be orally administered on 2 occasions (14 days apart) after an overnight fast of at least 10 hours with and without a standard meal.