Effects of Probiotics on Symptoms of Constipation in Adults With Functional Constipation
The Effects of ABKefir on Functional Constipation in Subjects: a Randomized, Double-blind, Placebo-controlled Trial
1 other identifier
interventional
165
1 country
1
Brief Summary
The purpose of this study was to evaluate the efficacy of 1 capsules of ABKefir per day on symptoms of constipation in subjects with functional constipation by clinical trial.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Dec 2024
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 27, 2024
CompletedFirst Submitted
Initial submission to the registry
April 29, 2025
CompletedFirst Posted
Study publicly available on registry
May 14, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 30, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
September 30, 2026
January 2, 2026
December 1, 2025
1.8 years
April 29, 2025
December 29, 2025
Conditions
Outcome Measures
Primary Outcomes (2)
Change from baseline symptoms of constipation at week 4 and 8
Compared the difference of bowel movements between the week 0, 4 and 8.
Week 0, 4 and 8
Change from baseline symptoms of constipation at week 4 and 8
Compared the difference of stool consistency between the week 0, 4 and 8.
Week 0, 4 and 8
Study Arms (3)
Placebo
PLACEBO COMPARATORThe composition of placebo capsules is same as the experimental capsules, except that they don't contain probiotics.
Low dose of ABKefir
EXPERIMENTALLow dose of probiotics, 5×10\^9 CFU/capsule
High dose of ABKefir
EXPERIMENTALHigh dose of probiotics, 1×10\^10 CFU/capsule
Interventions
Take a capsule of placebo within 30 minutes after breakfast, and once a day.
Take a capsule of ABKefir within 30 minutes after breakfast, and once a day.
Eligibility Criteria
You may qualify if:
- 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
You may not qualify if:
- 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.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- SYNBIO TECH INC. Kaohsiung Taiwancollaborator
- Chung Shan Medical Universitylead
Study Sites (1)
Chung Shan Medical University
Taichung, South, 402, Taiwan
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Hsin-Chi Pan, MS student
Chung Shan Medical University
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, CARE PROVIDER
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 29, 2025
First Posted
May 14, 2025
Study Start
December 27, 2024
Primary Completion (Estimated)
September 30, 2026
Study Completion (Estimated)
September 30, 2026
Last Updated
January 2, 2026
Record last verified: 2025-12