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.
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.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
QUADRUPLE
Enrollment
50
1.0 g of Bifidobacterium breve, taking orally, 3 times a day for 8 weeks.
1.0 g of placebo, taking orally, 3 times a day for 8 weeks.
Tohoku University Graduate School of Medicine
Sendai, Miyagi, Japan
RECRUITINGAdequate relief and SIBSQ
Time frame: 2, 0, 2, 4, 8 weeks during treatment and 4 weeks after treatment
Psychometric test, bowel gas, blood, and feces.
Time frame: 2, 0, 2, 4, 8 weeks during treatment and 4 weeks after treatment
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