Probiotics for treating constipation in adults
Official title: The Effects of ABKefir on Functional Constipation in Subjects: a Randomized, Double-blind, Placebo-controlled Trial
Run by Chung Shan Medical University · NCT06969872 · Data updated 2026-11-12
This study is testing if a probiotic called ABKefir can help adults with constipation feel better after 8 weeks of treatment.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years to 75 Years |
| Sex | All |
| Enrollment | 165 (estimated) |
| Sponsor | Chung Shan Medical University Academic / other |
| Locations | 1 site (Taichung, South) |
| Status | Recruiting |
| Started | December 27, 2024 |
| Main results expected | September 30, 2026 |
| Study ends | September 30, 2026 |
| Registry record updated | January 2, 2026 |
| Trial ID | NCT06969872 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are adults aged 18-75 who meet the Rome IV criteria for functional constipation.
✕Probably not a fit
Patients with serious underlying health conditions or those on medications that affect bowel function may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This clinical trial evaluates the effectiveness of ABKefir, a probiotic, in alleviating symptoms of functional constipation in adults. A total of 165 participants will be randomly assigned to receive either a placebo, a low dose, or a high dose of ABKefir for 8 weeks. The study includes assessments of defecation patterns, anthropometric measurements, and biological samples at the start, mid-point, and end of the trial. The goal is to determine if probiotics can improve bowel function in individuals suffering from functional constipation.
Why it matters
Potential benefit: If successful, this study could provide a new, effective treatment option for adults suffering from functional constipation.
How similar studies have gone: Previous studies have shown promising results for probiotics in managing gastrointestinal symptoms, suggesting potential success for this approach.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * male or female * aged 18-75 years old * fulfill Rome IV criteria for functional constipation * have not participated in similar research in the past three months Exclusion Criteria: * Personal or family history of colon cancer, celiac disease, and inflammatory bowel disease * Irritable bowel syndrome diagnosed during colonoscopy * Those who are pregnant recently (including men and women), or are pregnant or breastfeeding women. * Taking antidepressants, anti-anxiety drugs and other psychotropic drugs. * Long-term medication is required to improve constipation * Those diagnosed with myocardial infarction, cerebral infarction, malignant tumor and/or other serious diseases are not suitable for participating in the study. * Allergic symptoms to probiotics or any ingredients * Having a history of serious mental illness * Drug-related crimes or alcohol problems * Have recently traveled to areas where parasitic diseases are prevalent.
Where it's running
-
Chung Shan Medical University
Taichung, South, Taiwan Recruiting
Study contacts
- Principal investigator: Hsin-Chi Pan, MS student — Chung Shan Medical University
- Study coordinator: Chin-Lin Hsu, Professor
- Email: clhsu@csmu.edu.tw
- Phone: 04-24730022
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Fiber supplement plus counseling for constipation during pregnancy
A daily fiber supplement (PHGG-based) with vitamin mix and nutrition counseling is being tested to see if it helps pregnant people with functional constipation.
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Comparing manual and electroacupuncture for functional constipation
This trial will try manual acupuncture and electroacupuncture to see which produces more complete spontaneous bowel movements in adults with functional constipation.
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Brain stimulation (tACS) for adults with stubborn constipation and somatic symptom disorder
We will test whether four weeks of gentle brain stimulation (tACS) can improve bowel movements and symptoms in adults with refractory functional constipation and somatic symptom disorder.
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Sea buckthorn supplement to improve bowel function in primary functional constipation
This study will test whether a sea buckthorn (Hippophae rhamnoides) supplement at two different doses helps adults with primary functional constipation have more frequent, softer bowel movements and less bloating.
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Probiotic treatment for constipation in pregnant women
This study tests if a probiotic and a special liquid can help pregnant women with constipation feel better and improve their gut health.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.