Acute treatment of reflux oesophagitis: a multicentre study to compare 150 mg ranitidine twice daily with 300 mg ranitidine at bedtime

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Abstract
A randomized, double-blind, clinical trial was undertaken to compare 150 mg ranitidine b.d. with 300 mg ranitidine nocte in the treatment of reflux oesophagitis. Endoscopy data were evaluable for 336 patients after 8 weeks of treatment. At this time 75% of patients who received 150 mg ranitidine b.d., and 73% of those who received 300 mg nocte, had healed or showed endoscopic improvement to grade I oesophagitis. At 12 weeks these rates had increased to 89 and 88%, respectively. Oesophageal biopsies from 258 patients at 8 weeks showed histological improvement in 44 and 47% of those treated with 150 mg ranitidine b.d. and 300 mg ranitidine nocte, respectively. After 12 weeks histological improvement was apparent in 57 and 54% of biopsies from each group, respectively. Symptom severity and frequency was reduced to a similar extent by both treatments. Adverse events were reported by 15 patients. A 300-mg bedtime dose of ranitidine was found to be a well-tolerated, effective alternative to twice daily treatment in reflux oesophagitis.