Ten-day high-dose proton pump inhibitor triple therapy versus sequential therapy for Helicobacter pylori eradication
Abstract
BACKGROUND AND AIM: Eradication rates of Helicobacter pylori following standard triple therapy are declining worldwide, but high-dose proton pump inhibitor-based triple therapy (HD-PPI-TT) and sequential therapy (ST) have demonstrated higher cure rates. We aimed to compare the efficacy and tolerability of HD-PPI-TT and ST in H. pylori-associated functional dyspepsia (FD).
METHODS: One hundred and twenty H. pylori-associated functional dyspepsia patients were randomized to receive 10-day HD-PPI-TT (60 mg lansoprazole/500 mg clarithromycin/1 g amoxicillin, each administered twice daily for 10 days) or 10-day ST (30 mg lansoprazole/1 g amoxicillin, each administered twice daily for 5 days followed by 30 mg lansoprazole/500 mg clarithromycin/400 mg metronidazole, each administered twice daily for 5 days). H. pylori status was determined in post-treatment week 4 by 14 C-urea breath test. Eradication and antibiotic resistance rates, dyspeptic symptoms, drug compliance, and adverse effects were compared.
RESULTS: Intention-to-treat eradication rates were similar in the ST and HD-PPI-TT groups (85% vs. 80%; P = 0.47). However, the eradication rate was significantly higher following ST compared with HD-PPI-TT in per protocol analysis (94.4% vs. 81.4%; P = 0.035). ST achieved higher cure rates than HD-PPI-TT in clarithromycin-resistant H. pylori strains (100% vs. 33.3%; P = 0.02). Treatment compliance was similar in the HD-PPI-TT and ST groups, although nausea and dizziness were more…
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Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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