Irritable Bowel Syndrome
Conditions
Keywords
IBS, bowel function, probiotic
Brief summary
A two month intervention trial assessing the effect of Vetal Laban containing L. acidophilus on enhancing functional bowel wellbeing among subjects with irritable bowel syndrome (IBS).
Interventions
Dairy product with probiotic
Dairy product without probiotic
Sponsors
Study design
Eligibility
Inclusion criteria
* Males and females aged 18 to 65 years * Subjects fulfilling Rome III criteria for IBS * Sufficient health and orientation for participating in the trial * Obtained his/her informed consent after verbal and written information. * Have a high probability for compliance with and completion of the study. * Body Mass Index (BMI) between 19 and 35.
Exclusion criteria
* Diagnosed or suspected organic gastrointestinal disease (i.e. colitis, Crohn's disease, celiac disease, major bowel surgery, recurrent diverticulitis) or severely impaired general health including cancer and cancer therapy. * Lactose intolerance * Unwillingness to refrain from probiotic use during the trial * Use of antibiotics within the 3 preceding months prior to recruitment * Pregnant, planning pregnancy or lactating * Expected major lifestyle changes related to nutrition, exercise, travelling etc. * Participation in a clinical trial with an investigational product or drug within 3 months prior to screening. * Substance abuse * Subjects unable to read and understand the questionnaires
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| change in functional bowel symptoms | week 0, 4, 8, 12 and 16 | Validated questionnaire |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| change in adequate relief of bowel symptoms | weekly from week 4 to week 12 | Weekly question |
| change in stool defecation frequency | week 0, 4, 8, 12 and 16 | Validated scale |
| change in stool microbiota | week 4, 8, 12 and 16 | molecular analyses |
| change in prevalence of adverse events | continuous from week 0 to 16 | Recording of adverse and serious adverse events |
| change in stool consistency | week 0, 4, 8, 12 and 16 | Validated scale |
Countries
Saudi Arabia