A comparison of three doses of lansoprazole (15, 30 and 60 mg) and placebo in the treatment of duodenal ulcer. The Lansoprazole Study Group.

Lansoprazole is a new proton pump inhibitor for the treatment of peptic ulcer disease.
A double-blind, multicentre study was undertaken in 296 patients with endoscopically proven duodenal ulcer to compare the efficacy and safety of lansoprazole 15, 30 or 60 mg with placebo. Ulcer healing was documented by endoscopy at 2 and 4 weeks; patients whose ulcers healed after 4 weeks were followed for up to 6 months post-treatment.
Four-week healing rates of 89.4%, 91.7% and 89.9% were obtained with lansoprazole 15, 30 and 60 mg, respectively, compared with 46.1% on placebo (P < 0.001). All three doses of lansoprazole produced rapid symptom relief, although patients taking 60 mg lansoprazole required fewer antacids than did those taking 15 mg. At 6 months, the percentages of patients healed were 45.3%, 40.0% and 38.4% in the lansoprazole 15, 30 and 60 mg dosage groups, respectively, and 25.3% for the placebo group. No significant adverse events were documented during the period of this trial.
Lansoprazole is an effective and safe treatment for duodenal ulcer and the 15 mg dose is as effective as 30 or 60 mg.
AuthorsD L Avner, E R Dorsch, D E Jennings, P A Greski-Rose
JournalAlimentary pharmacology & therapeutics (Aliment Pharmacol Ther) Vol. 9 Issue 5 Pg. 521-8 (Oct 1995) ISSN: 0269-2813 [Print] ENGLAND
PMID8580272 (Publication Type: Clinical Trial, Comparative Study, Controlled Clinical Trial, Journal Article, Multicenter Study)
Chemical References
  • 2-Pyridinylmethylsulfinylbenzimidazoles
  • Anti-Ulcer Agents
  • Gastrins
  • Lansoprazole
  • Omeprazole
  • 2-Pyridinylmethylsulfinylbenzimidazoles
  • Abdominal Pain (drug therapy)
  • Adult
  • Aged
  • Anti-Ulcer Agents (administration & dosage, adverse effects, therapeutic use)
  • Double-Blind Method
  • Duodenal Ulcer (blood, drug therapy)
  • Duodenoscopy
  • Female
  • Gastrins (blood)
  • Humans
  • Lansoprazole
  • Male
  • Middle Aged
  • Omeprazole (administration & dosage, adverse effects, analogs & derivatives, therapeutic use)
  • Treatment Outcome
  • Wound Healing (drug effects)

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