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Aliment Pharmacol Ther. 2003 Jan;17(2):235-41.

Effective intra-oesophageal acid suppression in patients with gastro-oesophageal reflux disease: lansoprazole vs. pantoprazole.

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Divisionee de Medicina Interna e Gastroenterologia, Ospedale S. Agostino, Modena, Italy.



: Effective intra-oesophageal acid suppression is an important therapeutic goal in complicated and atypical gastro-oesophageal reflux disease.


: To compare the efficacy of lansoprazole and pantoprazole in normalizing oesophageal acid exposure.


: Fifty patients with complicated or atypical gastro-oesophageal reflux disease were randomly assigned to receive 30 mg lansoprazole (n = 26) or 40 mg pantoprazole (n = 24) once daily. Three to four weeks after the start of treatment, patients underwent 24-h oesophageal pH monitoring whilst on therapy. If the results were improved but still abnormal, the dosage was doubled and pH monitoring was repeated. If oesophageal acid exposure was not improved, the patient was shifted to the alternative drug regimen.


: Oesophageal acid exposure was normalized in all 26 patients treated with lansoprazole (in 35% of cases with a double daily dosage), whereas in six of the 24 (25%) patients treated with pantoprazole it was neither normalized nor lowered (P = 0.008). Accordingly, the mean percentage acid reflux time was significantly lower for the lansoprazole group (2.1) than for the pantoprazole group (5.8) (P = 0.032).


: Effective intra-oesophageal acid suppression can be accomplished more reliably with lansoprazole than with pantoprazole in patients with complicated and atypical gastro-oesophageal reflux disease.

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