Study Investigating a Delayed-Release Pancrelipase in Patients With Exocrine Pancreatic Insufficiency Due to Cystic Fibrosis

Inclusion Criteria:

• Confirmed CF diagnosis by two positive chloride sweat tests or gene analysis

• Confirmed PEI by historical CFA < 70% without supplementation or current or historicalfecal elastase < 50µg/g stool (within the last 12 months)

• Subjects of 12 years or older

• Currently receiving treatment with a commercially available pancreatic enzyme producton a stable dose for more than 3 months

• Clinically stable condition without evidence of acute respiratory disease or any otheracute condition

• Females of child-bearing potential must agree to continue using a medically acceptablemethod of birth control

Exclusion Criteria:

• Ileus or acute abdomen

• History of fibrosing colonopathy

• History of distal ileal obstruction syndrome within 6 months of enrollment

• Use of an immunosuppressive drug

• Any type of malignancy involving the digestive tract in the last 5 years

• Known infection with HIV