Efficacy and safety of adjunctive Chinese herbal decoction in treating Helicobacter pylori–positive chronic atrophic gastritis: a real-world retrospective study

QYFD, as an adjunct to standard therapy, was associated with higher HP eradication rates, better symptom improvement, and lower symptom recurrence in patients with HP-positive CAG. A small exploratory subgroup suggested a potential reduction in inflammatory cytokines, which should be interpreted with caution. Further prospective studies are warranted to confirm these findings.