ANTERO-4: VIPUN Gastric Monitoring System in an Erythromycin Model

Inclusion Criteria: * Signed Informed Consent * Aged between and including 18 and 65 years * BMI between and including 18 and 30 * Understand and able to read Dutch * In good health on the basis of medical history * Refrains from herbal, vitamin and other dietary supplements on the day of the visits Exclusion Criteria: * Dyspeptic symptoms (assessed with PAGI-SYM questionnaire) * Using any medication that might affect gastric function or visceral sensitivity * Known / suspected current use of illicit drugs * Known psychiatric or neurological illness * Any gastrointestinal surgery that could influence normal gastric function in the opinion of the investigator * History of heart or vascular diseases like irregular heartbeats, angina or heart attack * Nasopharyngeal surgery in the last 30 days * Suspected basal skull fracture or severe maxillofacial trauma * History of thermal or chemical injury to upper respiratory tract or esophagus * Current esophageal or nasopharyngeal obstruction * Known coagulopathy * Known esophageal varices * Pregnant or breastfeeding women * Have known side-effects/allergic reactions when taking erythromycin or other macrolide antibiotics (such as azithromycin, clarithromycin) * Kidney disease * Liver disease * Myasthenia gravis * QT prolongation (QT ≥400 ms) at the screening * Cardiac arrhythmia or heart failure * History of C. difficile infection * Family history of QT prolongation, sudden cardiac death or other heart problems * Recent vaccinations with live bacterial vaccines (such as typhoid vaccine) * Concomitant medication use