ClinicalTrials.gov record
Olorinab in Irritable Bowel Syndrome With Predominant Constipation (IBS-C) and Irritable Bowel Syndrome With Predominant Diarrhea (IBS-D)
ClinicalTrials.gov ID: NCT04043455
Public ClinicalTrials.gov record NCT04043455. 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 May 20, 2026, 11:35 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, Multi-Center, Randomized, Double-Blind, Placebo-Controlled Parallel-Group Study to Evaluate the Safety, Tolerability, and Efficacy of Olorinab in Subjects With Irritable Bowel Syndrome Experiencing Abdominal Pain
Study identification
- NCT ID
- NCT04043455
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Arena Pharmaceuticals
- Industry
- Enrollment
- 273 participants
Conditions and interventions
Conditions
Interventions
- Olorinab Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 70 Years
- 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
- Jul 23, 2019
- Primary completion
- Apr 28, 2021
- Completion
- Apr 28, 2021
- Last update posted
- Jan 29, 2025
2019 – 2021
United States locations
- U.S. sites
- 69
- U.S. states
- 30
- U.S. cities
- 63
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Accel Research Sites - Birmingham Clinical Research Unit | Birmingham | Alabama | 35216 | — |
| Clinical Research Associates, LLC | Huntsville | Alabama | 35801 | — |
| East Valley Gastroenterology and Hepatology Associates | Chandler | Arizona | 85224 | — |
| Gilbert Center for Family Medicine | Gilbert | Arizona | 85298 | — |
| Alliance Research Institute | Canoga Park | California | 91304 | — |
| GW Research, Inc. | Chula Vista | California | 91910 | — |
| Kindred Medical Institute for Clinical Trials, LLC | Corona | California | 92879 | — |
| TriWest Research Associates, LLC | El Cajon | California | 92020 | — |
| Diagnamics Inc. | Encinitas | California | 92024 | — |
| Prime Care Clinical Research | Laguna Hills | California | 92653 | — |
| Om Research, Attn: Heather Blunt | Lancaster | California | 93534 | — |
| San Diego Gastroenterology Medical Associates (CTNx) | San Diego | California | 92103 | — |
| Precision Research Institute | San Diego | California | 92114 | — |
| Medical Associates Research Group | San Diego | California | 92123 | — |
| Advanced Rx Clinical Research Group, Inc. | Westminster | California | 92683 | — |
| Lynn Institute of Denver | Aurora | Colorado | 80012 | — |
| Clinical Research of Brandon, LLC | Brandon | Florida | 33511 | — |
| Qps Mra, Llc | South Miami | Florida | 33143 | — |
| Precision Clinical Research, LLC. | Sunrise | Florida | 33351 | — |
| Presicion Research Center Inc | Tampa | Florida | 33603 | — |
| Agile Clinical Research Trials LLC | Atlanta | Georgia | 30328 | — |
| Atlanta Center for Medical Research | Atlanta | Georgia | 30331 | — |
| Columbus Regional Research Institute | Columbus | Georgia | 31904 | — |
| Gastroenterology Associates of Gainesville Georgia | Gainesville | Georgia | 30501 | — |
| WR-Mount Vernon Clinical Research, LLC | Sandy Springs | Georgia | 30328 | — |
| Clinical Research Atlanta | Stockbridge | Georgia | 30281 | — |
| Advanced Clinical Research, Attn to: Owen Havey | Meridian | Idaho | 83642 | — |
| Claude Mandel Medical Center | Chicago | Illinois | 60617 | — |
| Lemah Creek Clinical Research | Oakbrook Terrace | Illinois | 60181 | — |
| MediSphere Medical Research Center, LLC | Evansville | Indiana | 47714 | — |
| University of Iowa Hospitals and Clinics | Iowa City | Iowa | 52242 | — |
| WestGlenGI | Shawnee Mission | Kansas | 66217 | — |
| CroNOLA, LLC | Houma | Louisiana | 70360 | — |
| Clinical Trials of SWLA, LLC | Lake Charles | Louisiana | 70601 | — |
| Louisiana Research Center, LLC | Shreveport | Louisiana | 71105 | — |
| Frederick Gastroenterology Associates | Frederick | Maryland | 21701 | — |
| Flint Clinical Research, PLLC | Flint | Michigan | 48503 | — |
| Center for Pharmaceutical Research, LLC an AMR company | Kansas City | Missouri | 64114 | — |
| Hassman Research Institute | Berlin | New Jersey | 08009 | — |
| Long Island Gastrointestinal Research Group LLP | Great Neck | New York | 11023 | — |
| Clinical Research of Gastonia | Gastonia | North Carolina | 28054 | — |
| Medication Management, LLC | Greensboro | North Carolina | 27408 | — |
| Peters Medical Research, LLC | High Point | North Carolina | 27262 | — |
| M3 Wake Research | Raleigh | North Carolina | 27612 | — |
| Great Lakes Medical Research | Beachwood | Ohio | 44122 | — |
| Rapid Medical Research, Inc. | Cleveland | Ohio | 44122 | — |
| Great Lakes Gastroenterology Research, LLC | Mentor | Ohio | 44060 | — |
| Family Practice Center of Wadsworth, Inc. dba New Venture Medical Research | Wadsworth | Ohio | 44281 | — |
| Central Sooner Research | Norman | Oklahoma | 73071 | — |
| Digestive Disease Specialists, Inc. | Oklahoma City | Oklahoma | 73112 | — |
| Lynn Health Science Institute | Oklahoma City | Oklahoma | 73112 | — |
| Lynn Institute of Tulsa | Tulsa | Oklahoma | 74105 | — |
| Oregon Center for Clinical Investigations, Inc. (OCCI, Inc.) | Salem | Oregon | 97301 | — |
| Susquehanna Research Group, LLC | Harrisburg | Pennsylvania | 17110 | — |
| Care Access Research, Pottsville | Pottsville | Pennsylvania | 17901 | — |
| Clinical Trials of South Carolina | Charleston | South Carolina | 29406 | — |
| Coastal Carolina Research Center | Mt. Pleasant | South Carolina | 29464 | — |
| Clinical Research of Rock Hill | Rock Hill | South Carolina | 29732 | — |
| Meridian Clinical Research, LLC | Dakota Dunes | South Dakota | 57049 | — |
| Chattanooga Research & Medicine, PLLC | Chattanooga | Tennessee | 37404 | — |
| WR-ClinSearch, LLC | Chattanooga | Tennessee | 37421 | — |
| Clinical Neuroscience Solutions, Inc. | Memphis | Tennessee | 38119 | — |
| Biopharma Informatic, LLC | Houston | Texas | 77043 | — |
| Clinical Trial Network | Houston | Texas | 77074 | — |
| Research Studies at Fine Digestive Health | Irving | Texas | 75039 | — |
| ACR Gut Whisperer | West Jordan | Utah | 84088 | — |
| New River Valley Research Institute | Christiansburg | Virginia | 24073 | — |
| MultiCare Institute for Research & Innovation | Tacoma | Washington | 98405 | — |
| Exemplar Research Inc | Morgantown | West Virginia | 26505 | — |
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 NCT04043455, 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 Jan 29, 2025 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04043455 live on ClinicalTrials.gov.