title: Efficacy of ciprofloxacin in the eradication of Helicobacter pylori.
abstract: In small preliminary trials, ciprofloxacin has failed to eradicate Helicobacter pylori. Since fluoroquinolones have a marked reduction in bactericidal activity at acidic pH, we altered the gastric pH using omeprazole and investigated the efficacy of ciprofloxacin in eradicating H pylori. Forty-four consecutive patients infected with H pylori were prospectively studied in a randomized, double-blind, controlled trial comparing ciprofloxacin with a placebo for 2 weeks. Both treatment groups received bismuth and omeprazole. In 36 patients, follow-up endoscopy was done 4 weeks after the cessation of all study drugs. The H pylori infection cleared in 13 of 17 patients (76%) in the ciprofloxacin group versus 5 of 19 (26%) in the placebo group. Concurrent administration of omeprazole with ciprofloxacin resulted in increased bactericidal activity against H pylori. Ciprofloxacin when combined with omeprazole and bismuth is efficacious for eradication of H pylori.
authors.affiliation: Department of Gastroenterology, Naval Medical Center, Portsmouth, VA 23708, USA.
authors.forename: D
authors.initials: D
authors.lastname: Dresner
authors.forename: W
authors.initials: W
authors.lastname: Coyle
authors.forename: R
authors.initials: R
authors.lastname: Nemec
authors.forename: R
authors.initials: R
authors.lastname: Peterson
authors.forename: T
authors.initials: T
authors.lastname: Duntemann
authors.forename: J M
authors.initials: JM
authors.lastname: Lawson
mesh_terms: D000328:Adult; D000368:Aged; D000863:Antacids / Q000627:therapeutic use; D000890:Anti-Infective Agents / Q000627:therapeutic use*; D000897:Anti-Ulcer Agents / Q000627:therapeutic use*; D001729:Bismuth / Q000627:therapeutic use; D002939:Ciprofloxacin / Q000627:therapeutic use*; D004311:Double-Blind Method; D004359:Drug Therapy, Combination; D004381:Duodenal Ulcer / Q000188:drug therapy*; D005260:Female; D005773:Gastroscopy; D016481:Helicobacter Infections / Q000188:drug therapy*; D016480:Helicobacter pylori; D006801:Humans; D008297:Male; D008875:Middle Aged; D009853:Omeprazole / Q000627:therapeutic use*; D011446:Prospective Studies
chemical_list: D000863:Antacids; D000890:Anti-Infective Agents; D000897:Anti-Ulcer Agents; D002939:Ciprofloxacin; D009853:Omeprazole; D001729:Bismuth