Role of Omeprazole Dosage and Cytochrome P450 2C19 Genotype in Patients Receiving Omeprazole‐Amoxicillin Dual Therapy for <i>Helicobacter pylori</i> Eradication

Abstract

Provided a maintenance dose of amoxicillin is given every 6 hours, eradication of H. pylori infection was significantly dependent on omeprazole dosage, CYP2C19 genotype, age, gastritis status, and H. pylori density.