Asymptomatic Subjects. Sixty-five healthy, asymptomatic volunteers aged 54.2 ± 2.0 years (mean ± SEM; range 20–86 years) were involved in the present study. All subjects were initially screened for H.

The fecal antigen test is currently approved by the U.S. Food and Drug Administration for detection of H. pylori before and after treatment. Eighty-one patients with dyspepsia and endoscopically ...