Study Of Healthy Subjects To Assess The Effect Of Ketoconazole And The Way The Body Will React To Casopitant [GW679769]

Ketoconazole tablets will be available with dose strength of 200 mg. The dose of ketoconazole 400 mg will be comprised of two 200 mg tablets. On Day 4 of Treatment Period 2, the dose of casopitant and ketoconazole is to be taken at the same time.

Casopitant tablets will be available with dose strength of 50 mg. Subjects will receive two 50 mg tablets for the dose of 100 mg. On Day 4 of Treatment Period 2, the dose of casopitant and ketoconazole is to be taken at the same time

Casopitant tablets will be available with dose strength of 50 mg and will receive single dose. On Day 4 of Treatment Period 2, the dose of casopitant and ketoconazole is to be taken at the same time.