A Study of the Safety and Effectiveness of Rabeprazole for the Treatment of Gastroesophageal Reflux Disease (GERD) in Pediatric Patients

Inclusion Criteria: * History of at least 1 Gastroesophageal Reflux Disease (GERD) symptom within 3 months of screening * Positive esophagogastroduodenoscopy * Signed informed consent * Female patients (if menstruating) must be practicing birth control Exclusion Criteria: * Patients with history of esophagitis * Patients who have milk protein allergy * Patients who have taken Proton Pump Inhibitors or H2-blockers within 3 days * Patients who have taken sucralate or any medication that affects gastrointestinal motility * Patients with H. pylori * Patients with lab values outside the normal age appropriate range * Patients who have participated in another trial within 30 days before screening * Patients with allergies to Proton Pump Inhibitors