NCT06969872

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

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
165

participants targeted

Target at P75+ for not_applicable

Timeline
4mo left

Started Dec 2024

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress77%
Dec 2024Sep 2026

Study Start

First participant enrolled

December 27, 2024

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

April 29, 2025

Completed
15 days until next milestone

First Posted

Study publicly available on registry

May 14, 2025

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2026

Last Updated

January 2, 2026

Status Verified

December 1, 2025

Enrollment Period

1.8 years

First QC Date

April 29, 2025

Last Update Submit

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 COMPARATOR

The composition of placebo capsules is same as the experimental capsules, except that they don't contain probiotics.

Dietary Supplement: Placebo

Low dose of ABKefir

EXPERIMENTAL

Low dose of probiotics, 5×10\^9 CFU/capsule

Dietary Supplement: Probiotics (ABKefir)

High dose of ABKefir

EXPERIMENTAL

High dose of probiotics, 1×10\^10 CFU/capsule

Dietary Supplement: Probiotics (ABKefir)

Interventions

PlaceboDIETARY_SUPPLEMENT

Take a capsule of placebo within 30 minutes after breakfast, and once a day.

Placebo
Probiotics (ABKefir)DIETARY_SUPPLEMENT

Take a capsule of ABKefir within 30 minutes after breakfast, and once a day.

High dose of ABKefirLow dose of ABKefir

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

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

Study Sites (1)

Chung Shan Medical University

Taichung, South, 402, Taiwan

RECRUITING

MeSH Terms

Interventions

Probiotics

Intervention Hierarchy (Ancestors)

Dietary SupplementsFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Officials

  • Hsin-Chi Pan, MS student

    Chung Shan Medical University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Chin-Lin Hsu, Professor

CONTACT

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

Locations