Introduction The infection of Helicobacter pylori (H. pylori) is affected by the host immune system and the genetic makeup. It is postulated that deficiency of vitamin D may interfere in normal immunological response to infectious agents, including H. pylori, and increase the risk of infection. This study aims to find the relationship between vitamin D status in the body and patient's response to H. pylori eradication treatment. Methods One hundred and fifty patients (n = 150) between the ages of 18 and 60 years of either gender, diagnosed with H. pylori, were included in the study. After enrollment, patients were started on first-line eradication therapy, which included omeprazole, amoxicillin, and clarithromycin for 14 days. Patient's vitamin D levels were tested via laboratory. After 14 days, patients' stools were tested for presence of H. pylori antigen. Results A total of 128 participants completed the study, out of which 92 (71.8%) participants showed no H. pylori antigen in stool after 14 days and 36 (28.1%) participants still showed H. pylori in their stool. The mean serum vitamin D level was significantly higher in participants who had successful treatment compared to those who had unsuccessful treatment (31.01 ± 7.8 ng/mL vs. 18.9 ± 5.6 ng/mL; p-value < 0.0001). Conclusion Vitamin D levels may affect the response of H. pylori eradication therapy. Further large-scale studies are needed in which vitamin D is given as an intervention to further study the association between vitamin D levels and H. pylori treatment response.
Keywords: association; helicobacter pylori; pakistan; treatment response; vitamin d.
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