Irritable Bowel Syndrome (IBS)
Conditions
Keywords
Barostat, distention, IBS, irritable, bowel, syndrome, colorectal, sensation, modulation, reproducibility
Brief summary
This study is designed to provide information on feasibility and reproducibility of barostat assessments of colorectal sensory functions and compliance and their pharmacological modulation
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* A positive diagnosis of IBS. * Subjects must either have been surgically sterilized, hysterectomized at least 6 months prior to screening, be postmenopausal or be using a double-barrier local * contraception. * Able to communicate well with the investigator, to understand and comply with the requirements of the study. Understand and sign the written informed consent
Exclusion criteria
* History of or evidence for structural diseases/conditions that affect the gastrointestinal system. * Other diseases or conditions that in the opinion of the Investigator significantly affect colorectal sensitivity. * Evidence of occult blood at stool analysis, or history of rectal bleeding. * Using or planning to use drugs or agents during the study period that alter GI physiology and visceral perception.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| - 5 sensory pressure thresholds [mmHg] from ascending method of limits (AML) barostat protocol. - 16 sensory intensity ratings from the random phasic distention (RPD) barostat protocol. | throughout the study |
Secondary
| Measure | Time frame |
|---|---|
| - colorectal compliance | throughout the study |
Countries
Canada, Sweden, United Kingdom, United States