~30 spots leftby Apr 2026

Asimadoline for the Treatment of Subjects With Irritable Bowel Syndrome

Recruiting in Palo Alto (17 mi)
+111 other locations
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 2
Waitlist Available
Sponsor: Tioga Pharmaceuticals
Prior Safety Data

Trial Summary

What is the purpose of this trial?

The purpose of this study is to evaluate the safety and efficacy of different doses of asimadoline in the treatment of patients with irritable bowel syndrome.

Research Team

AM

Allen Mangel, MD, PhD

Principal Investigator

Tioga Pharmaceuticals

Eligibility Criteria

Inclusion Criteria

Must have been diagnosed with IBS as a result of having at least 6 months, not necessarily consecutive, in the preceding 12 months of recurrent symptoms of abdominal discomfort or pain associated with at least 2 of the following: 1)relieved with defecation; 2)onset associated with a change in stool frequency; 3)onset associated with a change in stool form
Must demonstrate a willingness to comply with daily telephone diary entry
Males and females aged 18-79
See 2 more

Treatment Details

Interventions

  • Asimadoline (Kappa Opioid Receptor Agonist)
Participant Groups
4Treatment groups
Experimental Treatment
Placebo Group
Group I: Asimadoline 1.0 mgExperimental Treatment1 Intervention
Group II: Asimadoline 0.5 mgExperimental Treatment1 Intervention
Group III: Asimadoline 0.15 mgExperimental Treatment1 Intervention
Group IV: PlaceboPlacebo Group1 Intervention

Find a Clinic Near You

Research Locations NearbySelect from list below to view details:
Northwest Gastroenterologists S.C.Arlington Heights, IL
Coastal Carolina Research CenterMt. Pleasant, SC
Mount Vernon Clinical ResearchSandy Springs, GA
Professional Research Network of KansasWichita, KS
More Trial Locations
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Who Is Running the Clinical Trial?

Tioga Pharmaceuticals

Lead Sponsor

Trials
5
Patients Recruited
1,500+

RTI Health Solutions

Collaborator

Trials
15
Patients Recruited
6,685,000+