Ensayos clínicos

Inclusion Criteria:

• Age 18 years or older.
• Dysplastic BE (either low or high grade) or BE-related intramucosal EAC on initial diagnosis successfully treated with endoscopic therapy with negative surveillance endoscopy for at least one year from endoscopic therapy.
• Dysplastic BE (either low or high grade) or BE-related intramucosal EAC on initial diagnosis successfully treated with initial endoscopic therapy with remission across two subsequent surveillance endoscopies but evidence of recurrence of intestinal metaplasia, dysplasia, or EAC by the third surveillance endoscopy.
• Tolerance of endoscopy.
• Ability to give informed consent.

Exclusion Criteria:

• Age < 18 years old.
• Pregnancy.
• Prior gastric surgery.
• Use of any bile acid sequestrants (cholestyramine, colestipol, and colesevelam) at the time of enrollment.
• Evidence of biliary obstruction or cholestasis due to any reason, defined as total bilirubin above the upper limit of normal, alkaline phosphatase above the upper limit of normal, and/or clinical evidence of jaundice.
• Active esophagitis or stricture precluding passage of endoscope and completion of endoscopic procedure.
• Coagulopathy, defined as INR > 1.5 or platelet level 50,000 precluding completion of endoscopic procedure.