OUTLINE: This is a multicenter study. Patients are stratified according to age at diagnosis (< 65 years vs ≥ 65 years), length of Barrett metaplasia segment including tongues (< 2 cm vs ≥ 2 cm and ≤ 3 cm vs > 3 cm and ≤ 8 cm vs > 8 cm), and newly diagnosed disease (defined as the date of endoscopy confirming Barrett metaplasia was within the past 4 months) (yes vs no). Patients are randomized to 1 of 2 intervention arms.