Non‐Bismuth Quadruple Concomitant Treatment for Helicobacter pylori Eradication: A Systematic Review and Meta‐Analysis

Standard triple therapy fails to eradicate Helicobacter pylori (H. pylori) in at least 20% of the cases, largely due to antibiotic resistance. Non‐bismuth concomitant quadruple therapy has emerged as a widely used alternative therapy.