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The effect of heat-killed probiotics on clinical outcomes, fecal microbiome and metabolites in diarrhea-predominant irritable bowel syndrome: a multicenter, randomized, double- blind, placebo controlled study

The effect of heat-killed probiotics on clinical outcomes, fecal microbiome and metabolites in diarrhea-predominant irritable bowel syndrome: a multicenter, randomized, double- blind, placebo controlled study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0011021
Enrollment
177
Registered
2025-09-12
Start date
2025-08-18
Completion date
Unknown
Last updated
2025-09-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Dietary Supplement : [Test group] (Group 2) Group 1 Enterococcus faecalis lactic acid bacteria (EF-2001) (Group 3) Group 1 Lactobacillus plantarum Lactobacillus mycelium (beLP1) - Formulation: Powder

Sponsors

Chung-Ang Univerisity Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: ? men and women between the ages of 19 and 70 ?A person with diarrhea-type irritable bowel syndrome who has had at least 2 abdominal pain with at least 4 VAS points in at least 2 weeks of screening period, according to the Roman standard ROME IV criterion (2016) * ROME IV criteria (2016) Abdominal pain at least once a week began at least six months ago and has been present for the last three months, and the abdominal pain satisfies more than two of the following three 1) associated with bowel movements 2) accompanied by changes in the number of bowel movements 3) accompanied by changes in stool form ? A person who has undergone colonoscopy within 5 years based on visit 1 and has been confirmed to have no organic abnormalities in the large intestine (with relevant data if conducted by another institution) ? Among the above subjects, those who agreed to participate in this study

Exclusion criteria

Exclusion criteria: ? a person who is pregnant or nursing ? A person with a history of being hospitalized for mental illness within three years on the basis of visit 1 ? A person with a history of drug/alcohol abuse within 3 years of visit 1 ? A person who has a history of taking antipsychotic drugs within 3 months on the basis of visit 1 ? A person with a history of small or large intestine surgery within 5 years of visit 1 (excluding anusitis, hernia surgery, cholecystectomy, and cesarean section) ? An organic disease in the large intestine or small intestine and a disease that can affect bowel movement (inflammatory bowel) A person diagnosed with a disease, malabsorption, etc. (except for colon polyps) ? A person who has a history of being diagnosed with and treated malignant tumors within 5 years based on visit 1 (if determined to be completely cured, participation is possible) ? Persons with uncontrolled severe metabolic disease, cardiovascular disease, endocrine disease, kidney disease, thyroid disease ? A person whose AST or ALT is more than twice the normal upper limit of the implementing agency ? A person whose creatinine is more than twice the upper limit of the institution's normal limit ? A person who has a history of taking antibiotics or drugs that may affect probiotics, prebiotics, postbiotics, and intestinal function within four weeks of visit 1 (but Loperamide is allowed to be taken as a rescue medication, but the dose is recorded) (Patient contraindications: antidiarrheals, laxatives, gastrointestinal motility stimulants, antibiotics (within 3 months from the start of the study), steroids (within 1 month from the start of the study), pain relievers, anticancer drugs, probiotics, postbiotics, prebiotics) ? A person who has clearly changed his or her eating habits within four weeks of visit 1 (change from omnivore to vegetarian or from vegetarian to omnivore) ? Other clinicians have judged that participation in this study is not appropriate ? Those who did not agree with this study

Design outcomes

Primary

MeasureTime frame
IBS-AR(Irritable Bowel Syndrome-Adequate relief)

Secondary

MeasureTime frame
IBS-SSS(Irritable Bowel Syndrome-Symptom Severity Score);IBS-QOL(Irritable Bowel Syndrome-Quality of Life);Symptom diary;HADS (Hospital Anxiety-Depression Scale);Changes of fecal microbiome

Countries

Korea, Republic of

Contacts

Public ContactChanghwan Choi

Chung-Ang Univerisity Hospital

gicch@naver.com+82-2-6299-1137

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026