Overview Lansoprazole in Preterm Infants With Reflux Status: Completed Trial end date: 2013-06-01 Target enrollment: Participant gender: Summary This study is pilot study to evaluate safety and efficacy of lansoprazole in preterm infants with gastroesophageal reflux documented by 24hr pH impedance monitoring Phase: Phase 2 Details Lead Sponsor: Seoul National University HospitalTreatments: DexlansoprazoleLansoprazole