Maintenance Intermittent Therapy for Symptomatic GERD Patients

Study Overview
=================
Brief Summary
-----------------
The purpose of this study to determine the efficacy of 20 mg of rabeprazole given as a maintenance intermittent therapy following acute treatment for Symptomatic Gastroesophageal Reflux Disease (s-GERD).

Official Title
-----------------
A Double-Blind, Placebo-Controlled Study of Rabeprazole 20 mg Maintenance Intermittent Therapy Following Acute Treatment in Patients Wth Symptomatic Gastroesophageal Reflux Disease

Conditions
-----------------
Gastroesophageal Reflux Disease

Intervention / Treatment
-----------------
* Drug: Rabeprazole 20 mg


Participation Criteria
=================
Eligibility Criteria
-----------------
Key Inclusion Criteria: Male or female patients, 18 to 65 years of age. If female, not of childbearing potential by reason of surgery, radiation or menopause, or of childbearing potential, but using an approved method of contraception since the last menstrual period, for example, intrauterine device (IUD), implant, double barrier method, or oral contraceptives for at least one cycle. Females of childbearing potential must have a negative urine pregnancy test before medication is dispensed. Patients must report a minimum three-month history of GERD symptoms. GERD symptoms are defined as heartburn with or without regurgitation or other associated GERD symptoms. Patients must have at least 4 days with heartburn per week in each of the 2 weeks prior to Screening. Patients must have no esophagitis, with no proton pump inhibitors (PPIs, prescription or OTC), H2 blockers (prescription or OTC) or prokinetics within 14 days, prior to the endoscopy. Key Exclusion Criteria: Evidence of significant hepatic, renal, respiratory, endocrine, hematologic, neurologic, psychiatric or cardiovascular system abnormalities, unless the Sponsor and Investigator agree that the nature and severity of any abnormality is unlikely to interfere with the conduct of the study, the interpretation of study results, or the health of the patient during the study. Females must not be pregnant, lactating or have a positive urine eta human chorionic gonadotropin (B-hCG) laboratory result. Patients with a history of allergy or sensitivity to proton pump inhibitors or to their inactive ingredients. Patients with known gastric ulcer, duodenal ulcer, infectious or inflammatory conditions of the small or large intestine, malabsorption syndromes, obstruction, a history of gastrointestinal malignancy, or prior gastric or intestinal surgery (including vagotomy). Patients who have a history of Barrett's esophagus, esophageal stricture, or pyloric stenosis. Patients with a history of endoscopically-proven esophagitis any time in the past. Patients who have taken proton pump inhibitors (PPIs, prescription or OTC), H2 blockers (prescription or OTC) or prokinetics within 14 days, prior to Screening endoscopy, or any of these medications within 7 days prior to the single-blind placebo run-in period.

Ages Eligible for Study
-----------------
Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
-----------------
All

Accepts Healthy Volunteers
-----------------
No

Study Plan
=================
How is the study designed?
-----------------

Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Placebo Comparator: Placebo<br> | Drug: Rabeprazole 20 mg<br>* rabeprazole sodium tablet 20 mg once daily<br>* Other names: rabeprazole;|
| Experimental: Rabeprazole 20 mg<br> | Drug: Rabeprazole 20 mg<br>* rabeprazole sodium tablet 20 mg once daily<br>* Other names: rabeprazole;|

What is the study measuring?
-----------------
Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The Percentage of Heartburn-free Days (24-hour Periods) During the 6-month Maintenance Treatment Phase (ITT Population). | The percentage of heartburn-free days during the 6-month Maintenance Treatment Phase in patients treated with rabeprazole 20 mg compared to patients who received placebo in the ITT Population. Heartburn-free day was defined as no heartburn in both the daytime and nighttime period on a given day. Note a total 388 subjects were enrolled at the beginning of Acute Phase and 200 subjects were enrolled into the double-blind 6-month maintenance treatment phase. | 6 months double-blind maintenance phase | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The Percent of Heartburn-free Daytime Period During the 6-month Maintenance Treatment Phase | The percentage of heartburn-free daytime period is presented cumulatively including all data collected during the 6-month Maintenance Phase | 6-month maintenance phase | 
| The Percent of Heartburn-free Nighttime Period During the 6-month Maintenance Treatment Phase | The percentage of heartburn-free nighttime period is presented cumulatively including all data collected during the 6-month | 6-month maintenance phase | 

 Terms related to the study
=================
Keywords Provided by Centre Hospitalier Valida
-----------------
non-erosive symptomatic GERD, GERD