Clinical trial Recruiting at 1 site Interventional Ages 18 to 75

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 typeInterventional
Ages18 Years to 75 Years
SexAll
Enrollment165 (estimated)
SponsorChung Shan Medical University
Academic / other
Locations1 site (Taichung, South)
StatusRecruiting
StartedDecember 27, 2024
Main results expectedSeptember 30, 2026
Study endsSeptember 30, 2026
Registry record updatedJanuary 2, 2026
Trial IDNCT06969872 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.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.