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  • Title: Ranitidine bismuth citrate in the treatment of Helicobacter pylori infection and duodenal ulcer.
    Author: Vondracek TG.
    Journal: Ann Pharmacother; 1998 Jun; 32(6):672-9. PubMed ID: 9640487.
    Abstract:
    OBJECTIVE: To review the clinical pharmacology of ranitidine bismuth citrate in the treatment of Helicobacter pylori (HP) infection and duodenal ulcer. DATA SOURCES: A MEDLINE search of the English-language literature from 1992 to January 1997 was conducting using the key terms Tritec, ranitidine, and bismuth. References of articles pertaining to treatment of duodenal ulcer or HP were extensively searched for relevant sources. DATA EXTRACTION: All articles pertaining to ranitidine bismuth citrate were considered for inclusion, with emphasis placed on randomized, double-blind trials. Priority was placed on data pertaining to regimens that are currently approved by the Food and Drug Administration for the treatment of duodenal ulcer in conjunction with HP. DATA SYNTHESIS: Each tablet of ranitidine bismuth citrate 400 mg contains 162 mg of ranitidine base, 128 mg of trivalent bismuth, and 110 mg of citrate. It uses the acid-suppressive actions of ranitidine and the antimicrobial and mucosal protective effects of bismuth to eradicate HP. Ranitidine bismuth citrate in conjunction with clarithromycin represents one of four treatment regimens currently approved in the US for duodenal ulcer associated with HP infection. In four double-blind, randomized trials, this agent has achieved HP eradication rates of 73-94% and duodenal ulcer healing rates of 73-89%. It is given twice daily for 28 days, and is associated with very low rates of adverse effects. CONCLUSIONS: Relative to some therapeutic alternatives, ranitidine bismuth citrate plus clarithromycin may be simpler to take and have less adverse effects, but may be more expensive. Compared with omeprazole plus clarithromycin, it is less expensive, may have lower ulcer healing rates, but may be more effective in eradicating HP. The role of ranitidine bismuth citrate will continue to evolve as more patients are treated, and other regimens continue to be tested for duodenal ulcer healing and HP eradication.
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