Safety and efficacy of pantoprazole 40 mg daily as relapse prophylaxis in patients with healed reflux oesophagitis - A 2-year follow-up

Van Rensburg C.J. ; Honiball P.J. ; Van Zyl J.H. ; De Grundling H.K. ; Eloff F.P. ; Spies S.K. ; Simjee A.E. ; Theron I. ; Fischer R. ; Louw J.A. (1999)


Background: Pantoprazole is a benzimidazole derivative which selectively inhibits the proton pump H+, K+-ATPase, necessary for the final step in gastric acid secretion. Aim: To assess safety and efficacy of oral pantoprazole (40 mg o.d.) used as a prophylaxis against relapse in patients with healed reflux oesophagitis during an open-label, 2-year study. Methods: Outpatients (n = 157) with healed stage II or III reflux oesophagitis (Savary-Miller classification) were enrolled into a long-term, multicentre maintenance study. Endoscopy was performed at entry into the study, after 12 and 24 months, or when disease-specific symptoms occurred on more than three consecutive days. Symptoms were assessed at 3-monthly intervals. Endoscopically confirmed relapses (at least stage I) were evaluated as treatment failures. Results: Of the 178 adverse events, experienced by 88 (56%) patients (intention-to-treat population), 12 (7%) were assessed by the investigators as possibly related to the study medication. Median serum gastrin levels increased from a baseline of 46 ng/L to 90 ng/L, reaching a plateau after 9 months. For the intention-to-treat population the endoscopic remission rates after 12 and 24 months were 87% and 76%, respectively (Life-Table survival analysis, Kaplan-Meier). Conclusion: Pantoprazole 40 mg proved to be safe and efficacious during a 2-year prophylaxis treatment in patients with healed reflux oesophagitis.

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