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ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

Opioid-induced Bowel Dysfunction (OBD) Pivotal Assessment of Lubiprostone (OPAL)

ClinicalTrials.gov ID: NCT01298219

Public ClinicalTrials.gov record NCT01298219. 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 21, 2026, 11:22 AM 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 Multicenter, Randomized, Placebo-controlled, Double-blinded Study of the Efficacy and Safety of Lubiprostone in Subjects With Opioid-induced Bowel Dysfunction

Study identification

NCT ID
NCT01298219
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Sucampo Pharma Americas, LLC
Industry
Enrollment
439 participants

Conditions and interventions

Interventions

  • Lubiprostone Drug
  • Placebo 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
Nov 30, 2010
Primary completion
Oct 31, 2011
Completion
Oct 31, 2011
Last update posted
Feb 10, 2020

2010 – 2011

United States locations

U.S. sites
115
U.S. states
32
U.S. cities
92
Facility City State ZIP Site status
North Alabama Research Center Athens Alabama 35811
Innovative Clinical Trials, Inc. Birmingham Alabama 35205
Achieve Clinical Research Birmingham Alabama 35216
Alabama Clinical Therapeutics Birmingham Alabama 35235
G&L Research, LLC Foley Alabama 36535
Healthscan Research Montgomery Alabama 36109
River Region Research Tallassee Alabama 36078
Anasazi Internal Medicine PC Phoenix Arizona 85032
Aureas Research, Inc Little Rock Arkansas 72212
Certified Clinical Research Carmichael California 95608
California Clinical Research, Inc. Davis California 95616
Family Medical Center Foothill Ranch California 92610
South Orange County Surgical Medical Group Laguna Hills California 92653
Clinical Trials Research Lincoln California 95648
Clear Vision Research Long Beach California 90805
Long Beach VA Medical Center Long Beach California 90822
Clear Vision Research Los Angeles California 90023
Facey Medical Foundation Mission Hills California 91345
North County Clinical Research Oceanside California 92056
SDS Clinical Trials, Inc. Orange California 92868
Probe Clinical Research Corporation Riverside California 92501
Probe Clinical Research Corporation - Santa Ana Santa Ana California 92701
Westlake Medical Research Westlake Village California 91361
Mountain View Clinical Research Denver Colorado 80209
Meridien Research Bradenton Florida 34208
Coastal Orthopedics & Pain Management Bradenton Florida 34209
Florida Research & Testing, LLC Clearwater Florida 33755
Avail Clinical Research DeLand Florida 32720
S&W Clinical Research Fort Lauderdale Florida 33306
Palm Springs Research Institute Hialeah Florida 33012
Kendall South Medical Center, Inc. Miami Florida 33175
Gastroenterology Group of Naples Naples Florida 34102
Physicians Regional Medical Group Naples Florida 34119
Ocala Rheumatology Research Center Ocala Florida 34474
Paddock Park Clinical Research Ocala Florida 34474
Journey Research, Inc. Oldsmar Florida 34677
Compass Research Orlando Florida 32806
Andres Patron, DO, PA Pembroke Pines Florida 30026
Advent Clinical Research Centers Pinellas Park Florida 33781
Gold Coast Research, LLC Plantation Florida 33317
Orthopedic Research Institite Royal Palm Beach Florida 33411
IC Research Sanford Florida 32771
Sarasota Memorial Pain Care Center Sarasota Florida 34238
Tampa Clinical Research Tampa Florida 33624
Southeastern Regional Research Group Columbus Georgia 31904
Better Health Clinical Research Newnan Georgia 30265
Clinical Research Atlanta Stockbridge Georgia 30281
Advanced Clinical Research Boise Idaho 83642
Sonora Clinical Research Boise Idaho 83702
Nautical Clinical Research Meridian Idaho 83642
Anesthesia/Pain Control Indiana University School of Medicine Chicago Illinois 60657
Knight Center for Integrated Health Peoria Illinois 61614
Ridge Family Practice Council Bluffs Iowa 51503
Lee Research Institute Lenexa Kansas 66215
Kentucky Medical Research Center Lexington Kentucky 40504
Bluegrass Internal Medicine Owensboro Kentucky 42303
Horizon Research Group Baton Rouge Louisiana 70809
Miray Medical Center Brockton Massachusetts 02301
The Research Institute Springfield Massachusetts 01107
Coastal Research Weymouth Massachusetts 02190
Ashok Jain, MD Dearborn Michigan 48124
Shores Medical Associates Saint Clair Shores Michigan 48081
Mid-America Clinical Research LLC St Louis Missouri 63139
Montana Medical Research, Inc. Missoula Montana 59808
Independent Clinical Researchers Las Vegas Nevada 89106
AB Clinical Trials Las Vegas Nevada 89119
Clinical Research of South Nevada Las Vegas Nevada 89121
Clinical Research Advantage, Inc. Las Vegas Nevada 89128
Lab2Marche Las Vegas Nevada 89149
Aloha Medical Center Las Vegas Nevada 89183
Edison Medical Group Edison New Jersey 08817
Clinical Research Program Marlton New Jersey 08053
Albuquerque Clinical Trials Albuquerque New Mexico 87102
Drug Trials America Hartsdale New York 10530
Family Health Medical Services PLLC Jamestown New York 14701
U of Rochester Rochester New York 14618
Medical Frontiers Carlisle Ohio 45005
Hightop Medical Research Center Cincinnati Ohio 45224
Community Research Cincinnati Ohio 45227
Community Research Cincinnati Ohio 45245
Rapid Medical Research, Inc. Cleveland Ohio 44122
Parsons Avenue Medical Center Columbus Ohio 43207
Hometown Urgent Care Groveport Ohio 43125
Northstar Medical Research, LLC Middleburg Heights Ohio 44130
Pharmacotherpy Research Associates Inc Zanesville Ohio 43701
COR Clinical Research, LLC Oklahoma City Oklahoma 73103
Sooner Clinical Research Oklahoma City Oklahoma 73112
Sunstone Medical Research Medford Oregon 97504
Fanno Creek Clinic Portland Oregon 97219
McMillen & Magargle Mechanicsburg Pennsylvania 17055
Omega Medical Research Warwick Rhode Island 02886
Hartwell Research Group Anderson South Carolina 29621
Degarmo Institute of Medical Research Greer South Carolina 29651
Pain Specialists of Charleston North Charleston South Carolina 29406
Health Concepts Rapid City South Dakota 57702
InvestiClin Research Brentwood Tennessee 37027
SCRI Research Center Germantown Tennessee 38138
Prevention & Strengthening Solutions, Inc. Humboldt Tennessee 38343
FutureSearch Trials of Neurology & Sleep Lab Austin Texas 78756
Jaron Winston, MD Austin Texas 78757
KRK Medical Research Dallas Texas 75230
FutureSearch Trials of Dallas, LP Dallas Texas 75231
Pillar Clinical Research, LLC Dallas Texas 75243
Galenos Research Dallas Texas 75251
Diversified Medical Practice, P.A. Houston Texas 77027
Clinical Trial Network Houston Texas 77074
Dependable Clinical Research Houston Texas 77074
Pioneer Research Solutions, Inc. Houston Texas 77098
Bobby Huynh Richardson Texas 75080
Sun Research Institute San Antonio Texas 78215
Spring Clinical Research Sugar Land Texas 77478
Pioneer Research Solutions Sugar Land Texas 77479
Lifetree Clinical Research Salt Lake City Utah 84106
ACR Research Salt Lake City West Jordan Utah 84088
Virginia Research Center, LLC Midlothian Virginia 23114

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 27 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01298219, 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 10, 2020 · Synced Jul 21, 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 NCT01298219 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →