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Completed Phase 3 Interventional Results available

A Comparison of Once a Day Dose Compared to 2 Doses/Day

ClinicalTrials.gov ID: NCT00505778

Public ClinicalTrials.gov record NCT00505778. 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.

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ClinicalTrials.gov public records Last synced Sep 2, 2026, 7:25 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 Multi-center, Investigator-blinded, Randomized, 12-month, Parallel-group, Non-inferiority Study to Compare the Efficacy of 1.6 to 2.4 g Asacol® Therapy QD Versus Divided Dose (BID) in the Maintenance of Remission of Ulcerative Colitis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to compare the efficacy in maintaining remission of ulcerative colitis between a once daily (QD) Asacol regimen and a divided, twice daily (BID) Asacol dosing regimen.

Study identification

NCT ID
NCT00505778
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Warner Chilcott
Industry
Enrollment
1,027 participants

Conditions and interventions

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
Jun 30, 2007
Primary completion
Jun 30, 2009
Completion
Jun 30, 2009
Last update posted
Apr 21, 2013

2007 – 2009

United States locations

U.S. sites
233
U.S. states
42
U.S. cities
208
Facility City State ZIP Site status
Research Facility Athens Alabama 35611 —
Research Facility Birmingham Alabama 35209 —
Research Facility Birmingham Alabama 35294 —
Research Facility Dothan Alabama 26305-1156 —
Research Facility Phoenix Arizona 85050 —
Research Facility Scottsdale Arizona 85259 —
Research Facility Tucson Arizona 85712 —
Research Facility Tuscon Arizona 85711 —
Research Facility Little Rock Arkansas 72205 —
Research Facility Lowell Arkansas 72745 —
Research Facility Anaheim California 92801 —
Research Facility Beverly Hills California 90210 —
Research Facility Chico California 95926 —
Research Facility Encinitas California 92024 —
Research Facility Folsom California 95630 —
Research Facility La Mesa California 91941 —
Research Facility Lancaster California 93534 —
Research Facility Long Beach California 90806 —
Research Facility Los Angeles California 90015 —
Research Facility Los Angeles California 90045 —
Research Facility Madera California 93637 —
Research Facility Merced California 95340 —
Research Facility Mission Hills California 91345 —
Research Facility Monterey California 93940 —
Research Facility Murrieta California 92562 —
Research Facility Oakland California 94609 —
Research Facility Orange California 92868 —
Research Facility Palm Springs California 92262 —
Research Facility San Carlos California 94070 —
Research Facility San Diego California 92103 —
Research Facility San Diego California 92117 —
Research Facility San Diego California 92123 —
Research Facility San Francisco California 94117 —
Research Facility San Francisco California 94122 —
Research Facility Torrance California 90503 —
Research Facility Torrance California 90505 —
Research Facility Upland California 91786 —
Research Facility Englewood Colorado 80113 —
Research Facility Golden Colorado 80401 —
Research Facility Lafayette Colorado 80026 —
Research Facility Pueblo Colorado 81008 —
Research Facility Hartford Connecticut 06106 —
Research Facility Meriden Connecticut 06451 —
Research Facility New Haven Connecticut 06510 —
Research Facility Norwalk Connecticut 06851 —
Research Facility Torrington Connecticut 06790 —
Research Facility Washington D.C. District of Columbia 20060 —
Research Facility Aventura Florida 33180 —
Research Facility Fort Lauderdale Florida 33308 —
Research Facility Gainesville Florida 32607 —
Research Facility Hollywood Florida 33021 —
Research Facility Jacksonville Florida 32207 —
Research Facility Jacksonville Florida 32223 —
Research Facility Largo Florida 33777 —
Research Facility Maitland Florida 32751 —
Research Facility Naples Florida 34102 —
Research Facility New Port Richey Florida 34652 —
Research Facility North Miami Beach Florida 33162 —
Research Facility Orlando Florida 32806 —
Research Facility Palm Harbor Florida 34684 —
Research Facility Port Orange Florida 32129 —
Research Facility St. Petersburg Florida 33707 —
Research Facility St. Petersburg Florida 33711 —
Research Facility Tallahassee Florida 32308 —
Research Facility Tampa Florida 33607 —
Research Facility Tampa Florida 33613 —
Research Facility Trinity Florida 34655 —
Research Facility Winter Park Florida 32789 —
Research Facility Zephyrhills Florida 33542 —
Research Facility Atlanta Georgia 30342-5000 —
Research Facility Columbus Georgia 31904 —
Research Facility Decatur Georgia 30033 —
Research Facility Marietta Georgia 30060 —
Research Facility Marietta Georgia 30067 —
Research Facility Newnan Georgia 30263 —
Research Facility Savannah Georgia 31406 —
Research Facility Boise Idaho 83704 —
Research Facility Idaho Falls Idaho 83404 —
Research Facility Arlington Heights Illinois 60005 —
Research Facility Berwyn Illinois 60402 —
Research Facility Chicago Illinois 60637 —
Research Facility Elgin Illinois 60123 —
Research Facility Highland Park Illinois 60036 —
Research Facility Hoffman Estates Illinois 60169 —
Research Facility Homewood Illinois 60430 —
Research Facility Lake Barrington Illinois 60010 —
Research Facility Oak Lawn Illinois 60453 —
Research Facility Peoria Illinois 61602 —
Research Facility Urbana Illinois 61801 —
Research Facility Anderson Indiana 46016 —
Research Facility Bloomington Indiana 47403 —
Research Facility Indianapolis Indiana 46202 —
Research Facility Indianapolis Indiana 46260 —
Research Facility South Bend Indiana 46601 —
Research Facility Clive Iowa 50325 —
Research Facility Davenport Iowa 52807 —
Research Facility Waterloo Iowa 50701 —
Research Facility Pratt Kansas 67124 —
Research Facility Topeka Kansas 66606 —
Research Site Whichita Kansas 67214 —
Research Facility Bowling Green Kentucky 42101 —
Research Facility Louisville Kentucky 40202 —
Research Facility Louisville Kentucky 40291 —
Research Facility Alexandria Louisiana 71301 —
Research Facility Lafayette Louisiana 70503 —
Research Facility Metairie Louisiana 70006 —
Research Facility Monroe Louisiana 71201 —
Research Facility Shreveport Louisiana 71103 —
Research Facility Bangor Maine 04401 —
Research Facility Chevy Chase Maryland 20815 —
Research Facility College Park Maryland 20740 —
Research Facility Greenbelt Maryland 20770 —
Research Facility Hagerstown Maryland 21740 —
Research Facility Hollywood Maryland 20636 —
Research Facility Lutherville Maryland 21093 —
Research Facility Reisterstown Maryland 21136 —
Research Facility Rockville Maryland 20850 —
Research Facility Rockville Maryland 20854 —
Research Facility Boston Massachusetts 02114 —
Research Facility Boston Massachusetts 02215 —
Research Facility Braintree Massachusetts 02184 —
Research Facility Southbridge Massachusetts 01550 —
Research Facility Chesterfield Michigan 48047 —
Research Facility Detroit Michigan 48201 —
Research Facility Kalamazoo Michigan 49048 —
Research Facility Troy Michigan 48098 —
Research Facility West Bloomfied Michigan 48322 —
Research Facility Wyoming Michigan 49519 —
Research Facility Rochester Minnesota 55905 —
Research Facility Tupelo Mississippi 38801 —
Research Facility Cape Girardeau Missouri 63703-6364 —
Research Facility Columbia Missouri 65212 —
Research Facility Jefferson City Missouri 65109 —
Research Facility Mexico Missouri 65265 —
Research Facility St Louis Missouri 63128 —
Research Facility Las Vegas Nevada 89147 —
Research Facility Somersworth New Hampshire 03878 —
Research Facility Camden New Jersey 08103 —
Research Facility Cedar Knolls New Jersey 07927 —
Research Facility Egg Harbor New Jersey 08234-5857 —
Research Site Hackensack New Jersey 07601 —
Research Facility Ocean City New Jersey 07712 —
Research Facility South Plainfield New Jersey 07080 —
Research Facility Albuquerque New Mexico 87109 —
Research Facility Babylon New York 11702 —
Research Facility Binghamton New York 13903 —
Research Facility Brooklyn New York 11215 —
Research Facility Brooklyn New York 11234 —
Research Facility Cheektowaga New York 14225 —
Research Facility Cortland New York 13045 —
Research Facility Forest Hills New York 10128 —
Research Facility Garden City New York 11530 —
Research Facility Great Neck New York 11021 —
Research Facility Great Neck New York 11023 —
Research Facility Lake Success New York 11042 —
Research Facility New York New York 10016 —
Research Facility New York New York 10028 —
Research Facility Pittsford New York 14534 —
Research Facility Port Jefferson Station New York 11776 —
Research Facility Rochester New York 14621 —
Research Facility Rochester New York 14625 —
Research Facility Boone North Carolina 28607 —
Research Facility Charlotte North Carolina 28204 —
Research Facility Greensboro North Carolina 27403 —
Research Facility Greenville North Carolina 27834 —
Research Facility Jacksonville North Carolina 28546 —
Research Facility Kinston North Carolina 28501 —
Research Facility Morganton North Carolina 28655 —
Research Facility Mount Airy North Carolina 27030 —
Research Facility New Bern North Carolina 28562 —
Research Facility Pinehurst North Carolina 28374 —
Research Facility Raleigh North Carolina 27607 —
Research Facility Wilmington North Carolina 28401 —
Research Facility Bismarck North Dakota 58501 —
Research Facility Akron Ohio 44302 —
Research Facility Canton Ohio 44718 —
Research Facility Cincinnati Ohio 45219 —
Research Facility Cincinnati Ohio 45242 —
Research Facility Cleveland Ohio 44195 —
Research Facility Dayton Ohio 45415 —
Research Facility Dayton Ohio 45440 —
Research Facility Mentor Ohio 44060 —
Research Facility Toledo Ohio 43617 —
Research Facility Westlake Ohio 44145 —
Research Facility Tulsa Oklahoma 74104 —
Research Facility Portland Oregon 97225 —
Research Facility Allentown Pennsylvania 18104 —
Research Facility Beaver Falls Pennsylvania 15010 —
Research Facility Clairton Pennsylvania 15025 —
Research Facility Indiana Pennsylvania 15701 —
Research Facility Lancaster Pennsylvania 17604 —
Research Facility Philadelphia Pennsylvania 19106 —
Research Facility Phoenixville Pennsylvania 19460 —
Research Facility Pittsburgh Pennsylvania 15213 —
Research Facility Pittsburgh Pennsylvania 15243 —
Research Facility Sewickley Pennsylvania 15143 —
Research Facility Souderton Pennsylvania 18964 —
Research Facility Uniontown Pennsylvania 15401 —
Research Facility Warwick Rhode Island 02888 —
Research Facility Columbia South Carolina 29203 —
Research Facility Columbia South Carolina 29204 —
Research Facility Greer South Carolina 29651 —
Research Facility Jackson Tennessee 38301 —
Research Facility Jackson Tennessee 38305 —
Research Facility Memphis Tennessee 38104 —
Research Facility Morristown Tennessee 37814 —
Research Facility Amarillo Texas 79119 —
Research Facility Fort Worth Texas 76104 —
Research Facility Greenville Texas 75401 —
Research Facility Houston Texas 77004 —
Research Facility Houston Texas 77054 —
Research Facility Houston Texas 77090 —
Research Facility Lewisville Texas 75057 —
Research Facility Longview Texas 75605 —
Research Facility Odessa Texas 79761 —
Research Facility Pasadena Texas 77504 —
Research Facility Plano Texas 75075 —
Research Facility San Antonio Texas 78229 —
Research Facility Ogden Utah 84405 —
Research Facility Salt Lake City Utah 84107 —
Research Facility West Valley City Utah 84120 —
Research Facility Alexandria Virginia 22306 —
Research Facility Chesapeake Virginia 23320 —
Research Facility Fairfax Virginia 22031 —
Research Facility Norfolk Virginia 23502 —
Research Facility Virginia Beach Virginia 23454 —
Research Facility Winchester Virginia 22601 —
Research Facility Seattle Washington 98133 —
Research Facility Spokane Washington 99204 —
Research Facility Tacoma Washington 98405 —
Research Facility Wenatchee Washington 98801 —
Research Facility Milwaukee Wisconsin 53209 —
Research Facility Monroe Wisconsin 53566 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 12 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00505778, 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 Apr 21, 2013 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00505778 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →