NCT06847919

Brief Summary

This study aims to evaluate the effect of a high-activity probiotic yogurt on improving symptoms of chronic constipation, observing its regulatory effects on the gut microbiota and the incidence of adverse reactions in study participants over a 21-day intervention period.

Trial Health

57
Monitor

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
84

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Feb 2025

Shorter than P25 for not_applicable

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

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 8, 2025

Completed
17 days until next milestone

Study Start

First participant enrolled

February 25, 2025

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 26, 2025

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2025

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 30, 2025

Completed
Last Updated

March 5, 2025

Status Verified

March 1, 2025

Enrollment Period

7 months

First QC Date

February 8, 2025

Last Update Submit

March 2, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Constipation symptom improvement

    The Bristol Stool Form Scale (BSFS) will be used to assess improvements in constipation. The BSFS is a 9-point scale ranging from 1 to 7, where higher scores indicate softer stool consistency, approaching a liquid state. The specific scoring is as follows: 1. Separate hard lumps, like nuts (difficult to pass) 2. Sausage-shaped but lumpy 3. Like a sausage but with cracks on the surface 4. Like a sausage or snake, smooth and soft 5. Soft blobs with clear-cut edges (passed easily) 6. Fluffy pieces with ragged edges, a mushy stool 7. Watery, no solid pieces, entirely liquid Scores of 4, 5, and 6 are generally considered ideal, indicating smooth bowel movements without constipation. Therefore, higher scores (closer to 4-6) represent improved constipation symptoms, while lower scores (1-3) indicate more severe constipation.

    3 weeks

Secondary Outcomes (4)

  • Gut microbiota composition and diversity

    3 weeks

  • Emotional state changes

    3 weeks

  • Emotional state changes

    3 weeks

  • Weight management impact

    3 weeks

Study Arms (2)

Probiotic group

ACTIVE COMPARATOR

Bacterial count: ≥1000 billion CFUs per bottle Take one bottle of yogurt per day for 3 weeks

Dietary Supplement: Probiotic yogurt group

Placebo group

PLACEBO COMPARATOR

Product name: placebo yogurt Take one bottle of yogurt per day for 3 weeks

Dietary Supplement: Yogurt control group

Interventions

Probiotic yogurt groupDIETARY_SUPPLEMENT

The intervention phase of this study will last 3 weeks, and each participant will make 3 visits (week 0, week 1, week 3).

Probiotic group
Yogurt control groupDIETARY_SUPPLEMENT

The intervention phase of this study will last 3 weeks, and each participant will make 3 visits (week 0, week 1, week 3).

Placebo group

Eligibility Criteria

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

You may qualify if:

  • Meet the Rome IV diagnosis criteria for chronic constipation;
  • Patients who are able to understand clinical studies and are committed to complying with study requirements and procedures;
  • Age 18-65. -

You may not qualify if:

  • Systemic (diabetes, autoimmune diseases, cancer), gastrointestinal or liver diseases known to be associated with alterations in the gut microbiota;
  • Patients who are pregnant or lactating;
  • have taken antimicrobials, probiotics, or drugs that inhibit stomach acid or gastrointestinal motility in the past 6 weeks;
  • Patients who changed their diet type during the study;
  • Patients who are allergic or intolerant to any component of the investigational product formulation;
  • Patients with cardiovascular, cerebrovascular, liver, kidney and hematopoietic system and other serious diseases and endocrine diseases, mental patients;
  • Stop taking the tested sample or add other drugs in the middle, unable to judge the efficacy or incomplete data;
  • short-term use of objects related to the function of the test, affecting the judgment of the result;
  • have been dieting, exercising excessively, taking weight loss medications or taking medications that may affect appetite in the past 3 months;
  • Current or past excessive use of alcohol, drugs, or supplements that may cause intestinal dysfunction or interfere with the evaluation of the efficacy of the study product -

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Suzhou Ninth People's Hospital Suzhou Ninth Hospital affiliated to Soochow University

Suzhou, Jiangsu, 215200, China

RECRUITING

Central Study Contacts

Ying Jin, Doctor

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 8, 2025

First Posted

February 26, 2025

Study Start

February 25, 2025

Primary Completion

September 30, 2025

Study Completion

December 30, 2025

Last Updated

March 5, 2025

Record last verified: 2025-03

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