ClinicalTrials.Veeva

Menu

Effect of Bifidobacterium on Irritable Bowel Syndrome (PBIBS)

T

Tohoku University

Status

Unknown

Conditions

Irritable Bowel Syndrome

Treatments

Drug: Placebo
Drug: Bifidobacterium breve

Study type

Interventional

Funder types

Other

Identifiers

NCT00737841
Probio-Bifid-IBS

Details and patient eligibility

About

There has been no data on effect of Bifidobacterium breve on symptoms of patients with irritable bowel syndrome (IBS). We hypothesized that Bifidobacterium breve is effective on symptoms of IBS patients.

Full description

There has been no data on effect of Bifidobacterium breve on symptoms of patients with irritable bowel syndrome (IBS). We hypothesized that Bifidobacterium breve is effective on symptoms of IBS patients. IBS patients will be enrolled via advertisement. Any IBS subtypes will not be rejected. They will take either 1.0 g of Bifidobacterium breve 3 times a day or same amount of placebo for 8 weeks. IBS symptoms and allied markers will be checked before, during, and after the administration.

Enrollment

50 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosis of IBS with Rome II definition

Exclusion criteria

  • Diagnosis of serious diseases (both physically and mentally)

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

50 participants in 2 patient groups, including a placebo group

A
Experimental group
Description:
Bifidobacterium breve
Treatment:
Drug: Bifidobacterium breve
B
Placebo Comparator group
Description:
Placebo
Treatment:
Drug: Placebo

Trial contacts and locations

1

Loading...

Central trial contact

Shin Fukudo, MD, PhD; Machiko Watabe

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems