Probiotics in Irritable Bowel Syndrome

Status Withdrawn

Clinical Trial Summary

Probiotics are defined as 'mono- or mixed cultures of live micro-organisms which, when applied to animal or man, beneficially affect the host by improving the properties of the indigenous flora'. Certain probiotics possess potent antibacterial and antiviral properties. Probiotic antibacterial activity may derive from the direct secretion of bacteriocins, the elaboration of proteases directed against bacterial toxins or through their ability to adhere to epithelial cells and thus exclude pathogens. The antiviral properties of some probiotic organisms, including the stimulation of interferon production, together with the well-documented efficacy of certain probiotics in the therapy of rotavirus diarrhea suggests the potential for a role for these agents in PI-IBS. The efficacy of some probiotics in preferentially relieving 'gas-related' symptoms may be related to qualitative changes in the colonic flora, as described earlier, or through the suppression of Small intestinal bacterial overgrowth (SIBO) , as there are reports of efficacy of probiotics in SIBO.

The aim of the proposed study is to investigate whether the probiotic preparation "co biotic" can change the composition of fecal bile acids, fatty acids and bacterial composition, and whether such changes, if they occur, are correlated to a change in the symptoms of patients with IBS.

Materials and methods:

Patients diagnosed as having IBS by the Rome III criteria will be included in the study.

Study subjects will be interviewed by a physician who will asses the diagnosis of IBS according to the Rome III criteria. Subjects will sign an informed consent and fill an IBS questionnaire and a health related quality of life questionnaire,

A fecal sample will be obtained

The subject will receive the probiotic product in a dose of 2 tablets/day, or a placebo containing all the active ingredients in the probiotic capsule, besides the bacteria, for 4 weeks. They will then enter a washout period of 2 weeks in which they will not receive anything, and then another 4 weeks in which they will receive the probiotic product in a dose of 2 tablets/day, or a placebo. Patients will be randomized so that they will receive the study drug for 4 weeks and the placebo for 4 weeks, in a double-blinded fashion. Thus each patient will be his own control.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Treatment

Related Conditions & MeSH terms

Irritable Bowel Syndrome

Clinical Trial Details

NCT number	NCT00846170
Study type	Interventional
Source	Meir Medical Center
Contact
Status	Withdrawn
Phase	Phase 3
Start date	September 2010

View Details

See also
Status	Clinical Trial	Phase
Completed	`NCT03720314` - Microbiota Profiling in IBS
Recruiting	`NCT06166563` - Exercise, Irritable Bowel Syndrome and Fibromyalgia	N/A
Completed	`NCT05213910` - Study of a Management Strategy of Functional Bowel Disordes Related to Irritable Bowel Syndrome (IBS) With a Mixture of 8 Microbiotic Strains	N/A
Recruiting	`NCT05985018` - Traditional Dietary Advice Vs. Mediterranean Diet in IBS	N/A
Completed	`NCT04486469` - Efficacy of Physiotherapy Techniques on Irritable Bowel Syndrome (IBS). Pilot Study.	N/A
Completed	`NCT06407609` - Positive Outcomes of the Supplementation With Lecithin-based Delivery Form of Curcuma Longa and of Boswellia Serrata in IBS	N/A
Completed	`NCT04656730` - Effect of STW5 (Iberogast ®) and STW5-II (Iberogast N®) on Transit and Tolerance of Intestinal Gas	Phase 4
Completed	`NCT04145856` - Combination of Alverine-simeticone and i3.1 Probiotic in IBS-D and IBS-M in Mexico	Phase 4
Recruiting	`NCT04138225` - The Ecological Role of Yeasts in the Human Gut
Active, not recruiting	`NCT03586622` - One Year Home Monitoring and Treatment of IBS Patients	N/A
Completed	`NCT05207618` - Utility of the Administration of Chesnut and Quebracho Extract for Irritable Bowel Syndrome Diarrhea Predominant	N/A
Not yet recruiting	`NCT06369753` - Visible Abdominal Distension	N/A
Not yet recruiting	`NCT05157867` - In Vivo Effects of Amylase Trypsin Inhibitors	N/A
Not yet recruiting	`NCT05100719` - The Role of Irritable Bowel Syndrome in Lactose Intolerance (LION)	N/A
Recruiting	`NCT05001997` - Effects of Lactose-free Dairy Products on Athletes With Irritable Bowel Syndrome	N/A
Recruiting	`NCT02953171` - Probiotics in the Treatment of Irritable Bowel Syndrome	N/A
Completed	`NCT02977975` - Lacto-fermented Sauerkraut in the Treatment of Irritable Bowel Syndrome	N/A
Completed	`NCT03266068` - Epidemiology and Pathophysiology of Post-Infectious Functional GI Disorders
Completed	`NCT03318614` - Bifidobacterium Infantis M-63 Improves Mental Health in Irritable Bowel Syndrome Developed After a Major Flood Disaster	Phase 2/Phase 3
Completed	`NCT02980406` - The Role of FODMAPs in Upper GI Effects, Colonic Motor Activity and Gut-brain Signaling at the Behavioral Level	N/A