Olorinab in Irritable Bowel Syndrome With Predominant Constipation (IBS-C) and Irritable Bowel Syndrome With Predominant Diarrhea (IBS-D) (CAPTIVATE)
Irritable Bowel Syndrome

About this trial
This is an interventional treatment trial for Irritable Bowel Syndrome focused on measuring Abdominal pain, Olorinab, APD371, Irritable bowel syndrome (IBS), IBS-C (IBS with predominant constipation), IBS-D (IBS with predominant diarrhea)
Eligibility Criteria
Main Study Inclusion Criteria:
- Diagnosis of irritable bowel syndrome (IBS) with predominant constipation (IBS-C) or predominant diarrhea (IBS-D) according to Rome IV criteria at Visit 1 (Screening)
Per the Rome IV diagnostic algorithm for IBS, participants 50 years of age and over are to have had one of the following with a result that rules out causes of abdominal pain other than IBS:
- Colonoscopy (within 10 years of Visit 1 [Screening])
- Flexible sigmoidoscopy and double contrast barium enema (within 5 years of Visit 1 [Screening])
- Computed tomography colonography (within 5 years of Visit 1 [Screening])
Main Study Exclusion Criteria:
- Diagnosis of IBS with mixed bowel habits (IBS-M) or unsubtyped IBS (IBS-U)
- Clinically relevant changes in dietary, lifestyle, or exercise regimen within 30 days prior to Visit 1 (Screening) that may confound efficacy assessments in the clinical judgment of the Investigator (or designee)
- Any colonic or major abdominal surgery (eg, bariatric surgery [including gastric banding], stomach surgery, small/large bowel surgery, or abdominal large vessel surgery). History of cholecystectomy is exclusionary for participants with IBS-D. For participants with IBS-C, a history of cholecystectomy more than 6 months prior to Visit 1 (Screening) is allowed. Procedures such as appendectomy, hysterectomy, caesarean section, or polypectomy are allowed as long as they have occurred at least 3 months prior to Visit 1 (Screening).
Long-Term Extension Inclusion Criteria:
•All participants must have completed the Main Study (including both Visit 8 [Week 12] and Visit 9 [Week 14])
Long-Term Extension Exclusion Criteria:
- Participant meets any exclusion criteria from the Main Study at the time of assessing eligibility for the LTE, unless approved by the Sponsor in advance.
- Participant had less than 75% overall compliance with eDiary entries during the Main Study.
- Participant deviated from the prescribed dosage regimen during the Main Study (ie, overall study treatment compliance less than 85% or more than 115%), unless approved by the Sponsor in advance.
Sites / Locations
- Accel Research Sites - Birmingham Clinical Research Unit
- Clinical Research Associates, LLC
- East Valley Gastroenterology and Hepatology Associates
- Gilbert Center for Family Medicine
- Alliance Research Institute
- GW Research, Inc.
- Kindred Medical Institute for Clinical Trials, LLC
- TriWest Research Associates, LLC
- Diagnamics Inc.
- Prime Care Clinical Research
- Om Research, Attn: Heather Blunt
- San Diego Gastroenterology Medical Associates (CTNx)
- Precision Research Institute
- Medical Associates Research Group
- Advanced Rx Clinical Research Group, Inc.
- Lynn Institute of Denver
- Clinical Research of Brandon, LLC
- Qps Mra, Llc
- Precision Clinical Research, LLC.
- Presicion Research Center Inc
- Agile Clinical Research Trials LLC
- Atlanta Center for Medical Research
- Columbus Regional Research Institute
- Gastroenterology Associates of Gainesville Georgia
- WR-Mount Vernon Clinical Research, LLC
- Clinical Research Atlanta
- Advanced Clinical Research, Attn to: Owen Havey
- Claude Mandel Medical Center
- Lemah Creek Clinical Research
- MediSphere Medical Research Center, LLC
- University of Iowa Hospitals and Clinics
- WestGlenGI
- CroNOLA, LLC
- Clinical Trials of SWLA, LLC
- Louisiana Research Center, LLC
- Frederick Gastroenterology Associates
- Flint Clinical Research, PLLC
- Center for Pharmaceutical Research, LLC an AMR company
- Hassman Research Institute
- Long Island Gastrointestinal Research Group LLP
- Clinical Research of Gastonia
- Medication Management, LLC
- Peters Medical Research, LLC
- M3 Wake Research
- Great Lakes Medical Research
- Rapid Medical Research, Inc.
- Great Lakes Gastroenterology Research, LLC
- Family Practice Center of Wadsworth, Inc. dba New Venture Medical Research
- Central Sooner Research
- Digestive Disease Specialists, Inc.
- Lynn Health Science Institute
- Lynn Institute of Tulsa
- Oregon Center for Clinical Investigations, Inc. (OCCI, Inc.)
- Susquehanna Research Group, LLC
- Care Access Research, Pottsville
- Clinical Trials of South Carolina
- Coastal Carolina Research Center
- Clinical Research of Rock Hill
- Meridian Clinical Research, LLC
- Chattanooga Research & Medicine, PLLC
- WR-ClinSearch, LLC
- Clinical Neuroscience Solutions, Inc.
- Biopharma Informatic, LLC
- Clinical Trial Network
- Research Studies at Fine Digestive Health
- ACR Gut Whisperer
- New River Valley Research Institute
- MultiCare Institute for Research & Innovation
- Exemplar Research Inc
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Experimental
Experimental
Experimental
Placebo Comparator
Experimental
Olorinab low dose (Main Study)
Olorinab medium dose (Main Study)
Olorinab high dose (Main Study)
Placebo (Main Study)
Olorinab (Long-Term Extension)
Participants will receive olorinab based on their treatment assignment in the Main Study.