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Clinical trial: dexlansoprazole MR, a proton pump inhibitor with dual delayed‐release technology, effectively controls symptoms and prevents relapse in patients with healed erosive oesophagitis

2009; Wiley; Volume: 29; Issue: 7 Linguagem: Inglês

10.1111/j.1365-2036.2009.03954.x

1365-2036

David C. Metz, Colin W. Howden, María Claudia Pérez, Lois Larsen, Janet O’Neil, Stuart Atkinson,

Esophageal and GI Pathology

Dexlansoprazole MR heals all grades of erosive oesophagitis (EO).To assess efficacy and safety of dexlansoprazole MR in maintaining healed EO and heartburn relief.In this randomized, double-blind trial, 445 patients with healed EO received dexlansoprazole MR 30 mg or 60 mg or placebo once daily for 6 months. This trial assessed maintenance of endoscopic healing (primary endpoint) and continued symptom relief based on daily diaries (secondary endpoints).Dexlansoprazole MR 30 mg and 60 mg were superior to placebo for maintaining healed EO (P < 0.0025; Hochberg's). By life-table analysis, maintenance rates were 75%, 83% and 27% for dexlansoprazole MR 30 mg, 60 mg and placebo respectively. Crude maintenance rates were 66% for both dexlansoprazole MR doses and 14% for placebo. Dexlansoprazole MR controlled heartburn (medians of 91-96% for 24-h heartburn-free days, 96-99% for heartburn-free nights). The only more common adverse event occurring at a significantly higher rate in dexlansoprazole MR groups than placebo when analysed per patient-months of exposure was upper respiratory tract infection.Dexlansoprazole MR effectively maintained EO healing and symptom relief; most patients were heartburn-free for >90% of days. Both doses were well tolerated.