Study to Estimate the Relative Bioavailability Compared to Commercial Extended-release Tablet Formulation and the Effects of Food Or Sprinkling on Applesauce for Fesoterodine Sustained-release Beads-in-capsule Formulations in Healthy Adult Volunteers

Open-label, Single-dose, Randomized, Crossover Study To Estimate The Relative Bioavailability Compared To Commercial Extended-release Tablet Formulation And The Effects Of Food Or Sprinkling On Applesauce For Fesoterodine Sustained-release Beads-in-capsule Formulations In Healthy Adult Volunteers

The purpose of this study is to evaluate the relative bioavailability of 2 new bead-in-capsule formulations compared to the commercial extended-release formulation (both fed and fasted) and to assess the effect of sprinkling the capsule contents on applesauce on the pharmacokinetics of 5 hydroxymethyl tolterodine (5-HMT).

Inclusion Criteria:

• Healthy male and/or female subjects between the ages of 18 and 55 years; Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight >50 kg (110 lbs)

Exclusion Criteria:

• Use of prescription or nonprescription drugs and dietary supplements within 7 days or 5 half-lives (whichever is longer) prior to the first dose of study medication
• History of uncontrolled narrow angle glaucoma, myasthenia gravis, gastric retention, severe ulcerative colitis and toxic megacolon
• Evidence or history of clinically significant urologic disease [urinary retention, obstructive disturbance of bladder emptying, micturition disturbance, nocturia or pollacisuria (eg, benign prostate hyperplasia, urethral stricture, recurrent urinary tract infections); Use of tobacco- or nicotine-containing products in excess of the equivalent of 5 cigarettes/day