Prof Urs Zingg

This study looks at how the body absorbs esomeprazole (a stomach acid reducer) when taken as a tablet or dissolved in water, in people who had gastric bypass surgery a year ago. Fifty participants will have a small device placed in their stomach pouch to measure acid levels, and …

This study looks at whether weak esophageal contractions (ineffective motility) improve after partial fundoplication surgery for gastroesophageal reflux. Researchers will perform high-resolution manometry 18-24 months after surgery in 100 patients who had weak contractions before…