Helicobacter pylori (H. pylori) is a small, spiral-shaped bacterium that colonizes the surface of the stomach and duodenum. It is recognized as a key pathogen in the development of various gastrointestinal diseases, including duodenal and gastric ulcers, non-ulcer dyspepsia, and both acute and chronic gastritis. The diagnosis of H. pylori infection in symptomatic patients can be performed using either invasive or non-invasive methods. Invasive diagnostic approaches, which require tissue samples and are relatively costly, include gastric or duodenal biopsy followed by urease testing (for presumptive diagnosis), bacterial culture, or histologic staining. Among non-invasive methods, serological testing to detect H. pylori-specific antibodies has been widely used, though its main limitation lies in the inability to differentiate between current and past infections since antibodies may persist in the patient's serum long after the bacteria have been eradicated. In recent years, H. pylori stool antigen (HpSA) testing has gained increasing acceptance for both initial diagnosis and monitoring treatment efficacy, as it directly detects the presence of bacterial antigens. Clinical studies have demonstrated that over 90% of patients with duodenal ulcers and 80% of those with gastric ulcers are infected with H. pylori. The H. pylori Antigen Rapid Test Cassette (Feces) represents a rapid chromatographic immunoassay designed for the qualitative detection of H. pylori antigens in human fecal specimens, delivering results within just 10 minutes. This test employs highly specific antibodies that selectively bind to H. pylori antigens, providing a reliable and convenient diagnostic solution.
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