Aspirin and Risk of Gastric Cancer After Helicobacter pylori Eradication: A Territory-Wide Study

Despite successful H. pylori (HP) eradication, some individuals remain at risk of developing gastric cancer (GC). Previous studies showed that aspirin was associated with a reduced GC risk. However, whether aspirin can reduce GC risk in HP-eradicated subjects remains unknown. We aimed to determine the chemopreventive effect of aspirin in HP-eradicated subjects. We identified subjects who had received a prescription of clarithromycin-based triple...