A Phase 1 Study To Evaluate The Pharmacokinetics And Safety Of Three Modified Release And One Immediate Release Formulations Of Tofacitinib (CP-690,550) In Healthy Volunteers

A Phase 1, Randomized, Open Label, Partial Crossover Study To Evaluate The Pharmacokinetics (PK) And Safety Of Three Modified Release (MR) And One Immediate Release (IR) Formulations Of Tofacitinib (CP-690,550) In Healthy Volunteers

This study will explore the drug behavior and safety following a single dose of three different 22 milligram tofacitinib (CP-690,550) modified-release formulations in 30 healthy volunteers. These formulations will be compared to 10 milligram tofacitinib (CP-690-550) in an immediate-release formulation.

Inclusion Criteria:

• Healthy male subjects and/or healthy females subjects who are of non-childbearing potential.

Exclusion Criteria:

• Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease;
• Clinically significant infections within the past 3 months