NCT04375475

Brief Summary

This was a randomized, double-blind, single-center, placebo-controlled, three-arm study. The objectives of this study were to evaluate the effect of the Bright Changyou Probiotic Flavored Yogurt on: Improving gastrointestinal health; Relieving symptoms of functional constipation or functional diarrhea; Improving gut immunity; Adjusting microbiological flora in gastrointestinal tract.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
198

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Feb 2019

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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 Start

First participant enrolled

February 25, 2019

Completed
28 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 25, 2019

Completed
21 days until next milestone

Study Completion

Last participant's last visit for all outcomes

April 15, 2019

Completed
1 year until next milestone

First Submitted

Initial submission to the registry

April 30, 2020

Completed
5 days until next milestone

First Posted

Study publicly available on registry

May 5, 2020

Completed
Last Updated

May 5, 2020

Status Verified

April 1, 2020

Enrollment Period

28 days

First QC Date

April 30, 2020

Last Update Submit

May 4, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • Gastrointestinal health score

    Change of the total gastrointestinal health score at day 28 from baseline. The total score is the sum of the 4 aspects of gastrointestinal health (each with score range from 0 to 3): Weekly stool frequency (\>=6; 4-6; 1-3; 0); Ratio of the number of unopened defecation to the total number of defecation (1; 1/4; 1/3; \>=1/2); Duration of defecation (\<5 minutes; 5-15 minutes; 16-30 minutes; \>=30 minutes); Defecation condition (normal perception; straining/uncomfortableness at stool; obvious straining/uncomfortableness or difficulty at defecation with little feces amount; frequent abdominal or anus pain that affect defecation).

    Day 0, 28

Secondary Outcomes (7)

  • Defecation satisfaction score

    Day 0, 3, 7, 14, 21, 28

  • Bristol score of stool characteristics

    Day 0, 3, 7, 14, 21, 28

  • Bristol score of stool color

    Day 0, 3, 7, 14, 21, 28

  • Symptom score of digestive system

    Day 0, 3, 7, 14, 21, 28

  • Fecal bacterium

    Day 0, 14

  • +2 more secondary outcomes

Study Arms (3)

Bright Changyou probiotic flavored yogurt

EXPERIMENTAL

Bright Changyou probiotic flavored yogurt contains 5.0×10\^8cfu/g of probiotics including Lactobacillus bulgaricus, Streptococcus thermophilus, Bifidobacterium lactis, Lactobacillus acidophilus, Lactobacillus plantarum ST-Ⅲ (7mg/kg), and 1.5% of inulin

Dietary Supplement: Bright Changyou probiotic flavored yogurt

Bright Changyou lactobacillus flavored yogurt

ACTIVE COMPARATOR

Bright Changyou flavored yogurt contains probiotics including Lactobacillus bulgaricus, Streptococcus thermophilus, Bifidobacterium lactis, Lactobacillus acidophilus, and Lactobacillus plantarum ST-Ⅲ (7mg/kg)

Dietary Supplement: Bright Changyou lactobacillus flavored yogurt

Bright flavored yogurt

ACTIVE COMPARATOR

Bright flavored yogurt contains Lactobacillus bulgaricus, Streptococcus thermophilus, Lactobacillus acidophilus, Bifidobacterium lactis, and Lactobacillus casei LC2W (0.1 mg/kg)

Dietary Supplement: Bright flavored yogurt

Interventions

Oral consumption of Bright Changyou probiotic flavored yogurt 100 g at a time and twice per day for 28 days. The experimental product has similar package and taste as the comparators.

Bright Changyou probiotic flavored yogurt

Oral consumption of Bright Changyou lactobacillus flavored yogurt 100 g at a time and twice per day for 28 days.

Bright Changyou lactobacillus flavored yogurt
Bright flavored yogurtDIETARY_SUPPLEMENT

Oral consumption of Bright flavored yogurt 100 g at a time and twice per day for 28 days.

Bright flavored yogurt

Eligibility Criteria

Age25 Years - 45 Years
Sexall(Gender-based eligibility)
Gender Eligibility DetailsParticipant eligibility is based on self-representation of gender identity.
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Men or women aged 25-45 years old;
  • Functional constipation or diarrhea diagnosed by Rome III criteria;
  • Agree not to take any dietary supplements or dairy products other than the study products during the study period;
  • Agree not to take any supplements or dairy products containing prebiotics/probiotics other than the study products during the study period;
  • Agree not to participant in other interventional studies during the study period;
  • Fully understand the property, purpose, benefits and potential risk and side effect from the study;
  • Agree to follow all study requirements and procedures;
  • Signed informed consent.

You may not qualify if:

  • Currently receiving treatment for gastrointestinal symptoms;
  • Lactose intolerance;
  • Having diseases or conditions that may affect intestinal function, such as history of gastrointestinal resection, colon or rectal cancer, inflammatory bowel disease, diabetes, hyperthyroidism or hypothyroidism, Hirschsprung's disease, scleroderma, or Anorexia nervosa;
  • Currently under diet control or in use of medicine or supplements for weight control or that might affect appetite;
  • Have had laxatives or other substance that will enhance digestion within two weeks before the study begins;
  • Have had dairy products or other food containing probiotics within 10 days before the study begins;
  • Currently having diarrhea;
  • Currently pregnant or breast-feeding, or plan to be pregnant during the study period;
  • Not be able to follow study procedures according to investigators evaluation.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Shanghai Jiaoton University Affiliated Xinhua Hospital

Shanghai, 200092, China

Location

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 30, 2020

First Posted

May 5, 2020

Study Start

February 25, 2019

Primary Completion

March 25, 2019

Study Completion

April 15, 2019

Last Updated

May 5, 2020

Record last verified: 2020-04

Data Sharing

IPD Sharing
Will not share

Locations