A Study To Evaluate The Effect Of Food On How Tasocitinib (CP-690,550) Is Absorbed And Moves Through The Body Following Oral Administration Of Tasocitinib (CP-690,550) Tablets To Healthy Subjects

Inclusion Criteria: * Healthy male and/or female (non-childbearing potential) subjects between the ages of 21 and 55 years. * Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight for males\>50 kg (110 lbs). For females, total body weight \>45 kg (99 lbs). * No evidence of active or latent or inadequately treated infection with Mycobacterium tuberculosis (TB) Exclusion Criteria: * Evidence or history of any clinically significant illness, medical condition, or disease. * Evidence or history of any clinically significant infections within the past 3 months. * Use of tobacco- or nicotine-containing products in excess of the equivalent of 5 cigarettes per day.