Evaluation of 24-Hour Intragastric pH Using Esomeprazole, Lansoprazole, and Pantoprazole in Hispanic Patients With GERD

Inclusion Criteria: * Signed informed consent * Males and females ages 18-69 who are of Hispanic origin * Symptoms of GERD, defined as heartburn at least 2 times a week on average over the last 3 months Exclusion Criteria: * Female patients who are pregnant or breastfeeding * Known intolerance or lack of response to Proton Pump Inhibitors (PPIs) such as Nexium, Prevacid, or Protonix * Current or relevant history of non-healed ulcers, stomach surgery, or esophageal surgery