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  • Title: 300 mg nizatidine at night versus 300 mg ranitidine at night in patients with duodenal ulcer. A multicentre trial in Europe.
    Author: Simon B, Cremer M, Dammann HG, Hentschel E, Keohane PP, Mulder H, Müller P, Sarles H.
    Journal: Scand J Gastroenterol Suppl; 1987; 136():61-70. PubMed ID: 2892257.
    Abstract:
    Patients (859) from six countries were randomized into an endoscopically controlled double-blind trial. The objective of this study was to compare the efficacy and safety of nizatidine 300 mg nocte with ranitidine 300 mg nocte in the therapy of duodenal ulceration. Patients fulfilling the entry criteria and completing the protocol numbered 777 (388 nizatidine, 389 ranitidine). Endoscopy was performed on entry and at 4-week intervals (up to 8 weeks) until the ulcer healed, except in Germany where endoscopy was also performed after 14 days. Both groups appeared well matched for population demographics, duodenal ulcer history, previous therapy and pre-study symptomatology. Overall healing rates in the nizatidine group compared favourably with the ranitidine group at 4 weeks (nizatidine 81%, ranitidine 80%) and 8 weeks (nizatidine 92%, ranitidine 93%). Data from Germany alone showed similar ulcer healing rates after 2 weeks therapy (nizatidine 60%, ranitidine 64%). Although there were no differences between or within the treatment groups, overall ulcer healing was significantly impaired (p less than 0.05 or less) in patients with a large ulcer (greater than 15 mm), a family history of peptic ulcer disease, verified disease or greater than 5 years duration, or heavy smokers (greater than 20 cigarettes/day). Age did not influence healing. Overall healing rates were significantly influenced by country of patient origin, being higher in Germany, and lower in Belgium (p less than 0.001). After 2 weeks therapy, about 60% of the nizatidine and ranitidine treated patients were pain free, while 4 weeks therapy was associated with relief of all symptoms in 72% of patients and relief of night pain in more than 90%. Antacid consumption reduced at a similar rapid rate during the study. Events were reported equally in both treatment groups, events compatible with peptic ulcer disease predominating. Events associated with study termination appeared related to documented disease or protocol violations. Monitoring of laboratory data suggested no significant haematological or biochemical abnormalities in the nizatidine group. Nizatidine 300 mg nocte appears to be as effective as ranitidine 300 mg nocte in both ulcer healing and symptomatic response.
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