Tailored Therapy Guided by Antibiotic Genotypic Resistances and CYP2C19 Polymorphisms Detected From Fecal Specimens for the First-Line Helicobacter pylori Eradication: A Randomized Controlled Trial.

Summary: Stomach bugs like H. pylori can cause ulcers and even cancer. Doctors usually treat them with a standard mix of pills, but sometimes the bugs are resistant to the medicine. In this study, doctors tested patients' stool (poop) to check the bug's DNA before picking the medicine. They tested 616 people. Half got the standard pills, and half got pills chosen just for them based on the DNA test. The custom pill plan worked better, curing about 96% of people who followed it, compared to 89% on the standard plan. It was just as safe and ended up costing less money per cure. Testing stool first is a great way to get rid of this stomach bug!