Continuous treatment with omeprazole 20 mg daily for up to 6 years in Barrett’s oesophagus

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Abstract
Background: Because of the malignant potential of Barrett’s oesophagus, an aim of treatment is to cause the columnar epithelium to regress. A logical approach is to decrease acid reflux which is an important aetiological factor in Barrett’s oesophagus. Treatment with omeprazole 20–80 mg over 1–3 years has yielded conflicting but largely disappointing results.Aim: To determine if treatment of Barrett’s oesophagus with omeprazole 20 mg daily for up to 6 years can cause regression of the Barrett’s epithelium.Patients and Methods: Forty‐seven patients with Barrett’s oesophagus were treated in an open prospective study. Nine patients were treated for 2 years, 12 for 3 years, 10 for 4 years, eight for 5 years and eight for 6 years. Patients were endoscoped at 1–2‐year intervals and endoscoped at the end of the treatment period.Results: No significant shortening of the length of the Barrett’s segment was seen during any treatment period, although omeprazole controlled reflux symptoms and was well tolerated. Macroscopic squamous islands appeared in 55% of patients, mostly in the first 2–3 years although in five patients they appeared later in treatment.Conclusion: Treatment of Barrett’s oesophagus with omeprazole 20 mg daily for periods of up to 6 years did not cause regression in the length of the Barrett’s segment, but it did lead in over half of the patients to partial re‐epithelialization in the form of squamous islands.