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Completed Phase 2 Interventional

Safety and Efficacy of Ilaprazole 5, 20 and 40 mg QD and Lansoprazole 30 mg QD on Healing of Erosive Esophagitis

ClinicalTrials.gov ID: NCT00471094

Public ClinicalTrials.gov record NCT00471094. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 1:25 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2 Study to Evaluate the Safety and Efficacy of Ilaprazole (5 mg QD, 20 mg QD and 40 mg QD) and an Active Comparator, Lansoprazole (30 mg QD) on Healing of Erosive Esophagitis.

Study identification

NCT ID
NCT00471094
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Takeda
Industry
Enrollment
831 participants

Conditions and interventions

Conditions

Interventions

  • Ilaprazole Drug
  • Lansoprazole Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 30, 2007
Primary completion
Sep 30, 2007
Completion
Sep 30, 2007
Last update posted
Feb 1, 2012

2007

United States locations

U.S. sites
94
U.S. states
34
U.S. cities
94
Facility City State ZIP Site status
Not listed Hueytown Alabama
Not listed Huntsville Alabama
Not listed Chandler Arizona
Not listed Phoenix Arizona
Not listed Tempe Arizona
Not listed Tucson Arizona
Not listed Sherwood Arkansas
Not listed Anaheim California
Not listed Cypress California
Not listed Encinitas California
Not listed Garden Grove California
Not listed Irvine California
Not listed Lancaster California
Not listed Mission Hills California
Not listed Oakland California
Not listed Orange California
Not listed Pasadena California
Not listed San Diego California
Not listed West Covina California
Not listed Colorado Springs Colorado
Not listed Longmont Colorado
Not listed Pueblo Colorado
Not listed Bristol Connecticut
Not listed Washington D.C. District of Columbia
Not listed Longwood Florida
Not listed Miami Florida
Not listed New Smyrna Beach Florida
Not listed Pembroke Pines Florida
Not listed Tampa Florida
Not listed Zephyrhills Florida
Not listed Atlanta Georgia
Not listed Conyers Georgia
Not listed Newnan Georgia
Not listed Tucker Georgia
Not listed Boise Idaho
Not listed Moline Illinois
Not listed Rockford Illinois
Not listed Clive Iowa
Not listed Davenport Iowa
Not listed Dubuque Iowa
Not listed Wichita Kansas
Not listed Metairie Louisiana
Not listed Chevy Chase Maryland
Not listed Prince Frederick Maryland
Not listed Olive Branch Mississippi
Not listed Jefferson City Missouri
Not listed Kansas City Missouri
Not listed Mexico Missouri
Not listed Egg Harbor New Jersey
Not listed Albuquerque New Mexico
Not listed Binghamton New York
Not listed Great Neck New York
Not listed Rochester New York
Not listed Chapel Hill North Carolina
Not listed Fayetteville North Carolina
Not listed Greensboro North Carolina
Not listed Raleigh North Carolina
Not listed Wilmington North Carolina
Not listed Winston-Salem North Carolina
Not listed Cincinnati Ohio
Not listed Dayton Ohio
Not listed Norman Oklahoma
Not listed Oklahoma City Oklahoma
Not listed Medford Oregon
Not listed Portland Oregon
Not listed Beaver Falls Pennsylvania
Not listed Harrisburg Pennsylvania
Not listed Lansdale Pennsylvania
Not listed Warwick Rhode Island
Not listed Anderson South Carolina
Not listed Charleston South Carolina
Not listed Goose Creek South Carolina
Not listed Mt. Pleasant South Carolina
Not listed Sioux Falls South Dakota
Not listed Bristol Tennessee
Not listed Chattanooga Tennessee
Not listed Johnson City Tennessee
Not listed Nashville Tennessee
Not listed Amarillo Texas
Not listed Austin Texas
Not listed Beaumont Texas
Not listed Bryan Texas
Not listed El Paso Texas
Not listed Fort Worth Texas
Not listed Houston Texas
Not listed Odessa Texas
Not listed San Antonio Texas
Not listed Midvale Utah
Not listed Ogden Utah
Not listed Newport News Virginia
Not listed Norfolk Virginia
Not listed Spokane Washington
Not listed Milwaukee Wisconsin
Not listed Monroe Wisconsin

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00471094, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 1, 2012 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00471094 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →