Safety and Efficacy of Ilaprazole 5, 20 and 40 mg QD and Lansoprazole 30 mg QD on Healing of Erosive Esophagitis
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.
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
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00471094 live on ClinicalTrials.gov.