Effect of anti-Helicobacter pylori IgG antibody titer following eradication of Helicobacter pylori infection.

Background/aims: We measured the levels of IgG antibody in patients treated for H. pylori infection using four commercially available ELISA (enzyme linked immunosorbent assay) kits.

Methodology: A total of 37 patients with peptic ulcers (21 patients had gastric ulcers and 16 patients had duodenal ulcers) were treated and monitored.