A Multicenter, Randomized, Double-Blind Parallel-Group, Placebo-Controlled Efficacy Study Comparing 4 Weeks of Treatment With Esomeprazole 20 mg Once Daily to Placebo qd for the Resolution of Upper Abdominal Pain in Patients With Symptomatic Gastroesophageal Reflux Disease (sGERD) [clinicaltrials:NCT00626535]

A Multicenter, Randomized, Double-Blind Parallel-Group, Placebo-Controlled Efficacy Study Comparing 4 Weeks of Treatment With Esomeprazole 20 mg Once Daily to Placebo qd for the Resolution of Upper Abdominal Pain in Patients With Symptomatic Gastroesophageal Reflux Disease (sGERD) [clinicaltrials:NCT00626535]