Study To Compare Single Dose Of Three Modified Release Formulations Of PF-04937319 With Immediate Release Material-Sparing-Tablet (IR MST) Formulation Previously Studied In Adults With Type 2 Diabetes Mellitus.

A Phase 1, Randomized, Open-label, Cross-over, Single-day Study Of Pf-04937319 To Characterize Relative Bioavailability, Tolerability, And Pharmacodynamics Of Four Oral Formulations In Adults With Type 2 Diabetes Mellitus Inadequately Controlled On Metformin

Study B1621015 will characterize bioavailability, tolerability and pharmacodynamics of three modified release formulations of PF-04937319 compared with the immediate release material-sparing-tablet (IR MST) formulation in adults with type 2 diabetes.

Inclusion Criteria:

• Adults with type 2 diabetes, on stable background metformin therapy either alone or in combination with another oral anti-diabetic agent (OAD) excluding thiazolidinediones (TZDs)

Exclusion Criteria:

• Patients with cardiovascular event within 6 months of screening
• Patients with diabetic complications
• Female subjects who are pregnant or planning to become pregnant
• Subjects with unstable medical conditions (eg, hypertension)