A Study To Estimate The Relative Bioavailability Of PF-00258210 Administered Alone Or In Combination With PF-00610355

A Single Dose, Open, Randomized, 5-Way Crossover Study In Healthy Volunteers To Investigate The Pharmacokinetics Of PF-00258210 Administered Alone Or PF-00258210 Administered Together With PF-00610355 Either As A Free Or A Fixed Dose Combination

The purpose of this study if to investiagte the time course of PF-00258210 plasma concentration in the presence or absence of PF-00610335 administered via oral inhalation using dry powder inhalers

Inclusion Criteria:

• Healthy male and/or female subjects between the ages of 21 and 55 years, inclusive

Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight >50 kg (110 lbs)

Exclusion Criteria:

• Evidence or history of clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurologic, or allergic disease (including drug allergies, but excluding untreated, asymptomatic, seasonal allergies at time of dosing)
• A positive urine drug screen
• Pregnant or nursing females