Abstract
Background and study aimsThe successful eradication rates with standard clarithromycin-based triple therapy are declining concerning the high antibiotic resistance rate and adverse drug reactions. This study aims to evaluate the effect of adding 1,25-hydroxyvitamin D3 on the eradication rates of the standard clarithromycin-based triple therapy for Helicobacter pylori infection. Patients and methodsThis is a randomized prospective comparative study of 150 patients diagnosed with H. pylori gastritis using magnifying narrow-band imaging endoscopy and supported by a stool antigen test. Patients were divided into two groups: group A (n = 75) treated with amoxicillin, clarithromycin, and esomeprazole for 2 weeks; group B (n = 75) treated with 1,25-hydroxyvitamin D3 for 1 month plus amoxicillin, clarithromycin, and esomeprazole for 2 weeks. The H. pylori eradication rates were assessed using stool antigen test conducted 4 weeks after the end of therapy. Furthermore, the H. pylori eradication rates were assessed with per-protocol (PP) and intention-to-treat (ITT) analyses. ResultsThe current results showed that H. pylori eradication was achieved in 46 of 62 (74.19%) and 46 of 75 (61.33%) patients via PP and ITT analyses, respectively, in group A. However, eradication was achieved in 60 of 68 (88.23%) and 60 of 75 (80%) patients via PP and ITT analyses, respectively, in group B. Therefore, the H. pylori eradication rates in the group where vitamin D3 was added to the clarithromycin-based triple therapy were significantly higher than in the other groups (p = 0.012 and p = 0.029 in ITT and PP analyses, respectively). ConclusionsAdding vitamin D3 to the standard clarithromycin-based triple therapy could provide an additional advantage to achieve significantly higher eradication rates for H. pylori infection.
Published Version
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