Gastrointestinal ailments that may alter the absorption of oral medications (i.e. bowel obstruction, short-gut syndrome) Has inability to take oral medications and/or has clinical or radiological diagnosis of bowel obstruction. Evidence of complete or partial bowel obstruction or other unable to take oral medications Evidence of complete or partial bowel obstruction or other unable to take oral medications Patients who are unable to take oral medications and/or who have a clinical or radiological diagnosis of bowel obstruction are ineligible