AzTrials
AzTrials

ImmunityNCT05585021

Clinical Study on the Effect of Probiotic Compound Powder on the Immunity Improvement of Preschool Children

A study testing Wonderlab Kids instant probiotics in people with Immunity, run by Shenzhen Precision Health Food Technology Co. Ltd., at 1 site in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

This is a randomized controlled trial, to evaluate the effect of WONDERLAB Probiotic Compound Powder on improving immunity of preschool children Read more about this study

Who is it for?
Ages 5 to 6 years
Conditions the study is for
Immunity
What is being tested?
Wonderlab Kids instant probiotics
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
140 participants
Where
1 siteChina
Study dates
19 Oct 2022to 30 Apr 2023
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 5 to 6 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • Preschool children, male or female, 5 to 6 years old;
  • Those with weak constitution and easy to get sick:
  • One of them can be satisfied:
  • AGet cold ≥ 3 times a year B Bronchitis or pneumonia ≥2 times per year C Rotavirus diarrhea ≥1 time per year
  • During the trial, participants agree not to take any drugs, supplements, or other dairy products containing probiotics;
  • During the trial, participants agree not to take any other prebiotic/bacterial drugs, supplements, or dairy products including yogurt drinks;
Show all 10Show fewer
  • Willing to refrain from participating in other interventional clinical studies during the trial period;
  • Be able to fully understand the nature, purpose, benefits and possible risks and side effects of the research;
  • Willing to obey all test requirements and procedures;
  • Informed consent signed by parents or legal guardians.

Who cannot join

  • Subject who is in the treatment of gastrointestinal diseases;
  • Subject who has lactose intolerance;
  • The subjects are currently suffering from other organic diseases that affect intestinal function, such as history of gastrointestinal resection, colonic or rectal cancer, inflammatory bowel disease, diabetes, hyperthyroidism or hypothyroidism, Hirschsprung's disease, scleroderma, anorexia nervosa, etc.;
  • Subjects have any of the following medical histories or clinically diagnosed diseases that may affect the evaluation of the test effect: obvious gastrointestinal dysfunction, liver, kidney, endocrine, blood, respiratory and cardiovascular diseases;
  • According to the judgment of the researchers, frequent use of drugs that may affect gastrointestinal function or the immune system;
  • Subjects who took laxatives or other digestive aids 2 weeks before the start of the study;
  • Consumed dairy products or other foods containing prebiotics/bacteria within 10 days before the start of the study;
  • PI believes that volunteers cannot fully cooperate with the trial arrangement.

Trial locations and contacts

1 site in 1 country.

China1 site
  • Wenan Wang

    Jinhua, Zhejiang, 321013

Other trials in China

About this study

Official title: A Clinical Study on The Effect of Probiotic Compound Powder (WONDERLAB) on The Immunity Improvement of Preschool Children (RCT)

This is a randomized controlled trial, to evaluate the effect of WONDERLAB Probiotic Compound Powder on improving immunity of preschool children

Read the detailed description

The community hospital will recruit 140 preschool children, aged 5 to 6 years old, according to the inclusion and exclusion criteria, and randomly assigned them to 2 groups. 70 subjects in the placebo group and 70 in the experimental product group.

First entered a one-week washout period, and then entered a 25-week clinical intervention, and finally ensured that 100 volunteers completed the whole study, and the withdrawal rate was about 28%.

Conditions
Immunity
Being tested
Wonderlab Kids instant probiotics, Instant probiotic placebo
Keywords
Rotavirus, Upper respiratory tract infection, Bristol scoring method
Medical subject headings
Respiratory Tract Infections

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Wonderlab Kids instant probioticsDietary supplement

    During study intervention, subjects are required to take the randomly assigned product based on the randomization list.

    Taking assigned product directly or mix it with milk/water/other liquids below 37 ℃, take it half an hour after meal.1 bottle a day. Lasting for 24 weeks intervention period.

  • Instant probiotic placeboDietary supplement

    Subjects are required to take the randomly assigned Instant probiotic placebo based on the randomization list.

    Taking assigned product directly or mix it with milk/water/other liquids below 37 ℃, half an hour after meal.

    1 bottle a day. Lasting for 24 weeks intervention period.

Study groups in NCT05585021
Study groupRoleWhat they receive
Wonderlab Kids instant probioticsExperimentalWonderlab Kids instant probiotics (hawthorn flavor) (4 strains, 20 billion CFU/bottle) 2g/bottle
Receives: Dietary Supplement: Wonderlab Kids instant probiotics
Instant probiotic placeboPlacebo comparatorInstant probiotic placebo (ET) 2g/bottle
Receives: Dietary Supplement: Instant probiotic placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Rotavirus diarrhea Testing at baseline

    Records of sick leave days, medical visits and hospitalization days due to rotavirus infection within past 12 month

    Measured: baseline(day 0)

  2. Rotavirus diarrhea Testing at endpoint

    Records of sick leave days, medical visits and hospitalization days due to rotavirus infection within past 168 days

    Measured: endpoint( day 168)

  3. Infection of the upper respiratory tract at baseline

    Drug records of upper respiratory tract infection within past 12 months.

    Measured: baseline(day 0)

  4. Infection of the upper respiratory tract at endpoint

    Drug records of upper respiratory tract infection within past 168 days.

    Measured: endpoint ( day 168)

Secondary outcomes (4)
  1. Bristol Stool Chart

    To evaluate samples of human feces based on the shape and consistency of the stool.

    Measured: baseline(day 0)/interim ( day 84)/endpoint( day 168)/recession period( day 175)

  2. Faeces

    sIgA 、16sRNA、SCFA、Fecal calprotectin

    Measured: baseline(day 0)/interim ( day 84)/endpoint( day 168)/recession period( day 175)

  3. Saliva

    sIgA testing

    Measured: baseline(day 0)/interim ( day 84)/endpoint( day 168)/recession period( day 175)

  4. Pittsburgh sleep quality index

    18 items comprise 7 components, each of which is scored according to o~3 grade. The cumulative score of each component is the total score of PSQI, with a total score range of 0~2l. The higher the score, the worse the sleep quality.

    Measured: baseline(day 0)/interim ( day 84)/endpoint( day 168)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted18 Oct 2022
  2. Study start19 Oct 2022
  3. Primary completion30 Apr 2023
  4. Study completion30 Apr 2023

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Other
Allocation
Randomised
Intervention model
Parallel groups
Model description
The community hospital will recruit 140 preschool children, aged 5 to 6 years old, according to the inclusion and exclusion criteria, and randomly assigned them to 2 groups. 70 subjects in the placebo group and 70 in the experimental product group. First entered a one-week washout period, and then entered a 25-week clinical intervention, and finally ensured that 100 volunteers completed the whole study, and the withdrawal rate was about 28%.
Masking
Single blind
Who is masked
Investigator
Enrolment
140 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05585021
Sponsor's protocol ID
22-SM-08-WL-001
Status last verified
Nov 2023
First submitted
12 Oct 2022
Last updated
24 Nov 2023
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing Wonderlab Kids instant probiotics in people with Immunity, run by Shenzhen Precision Health Food Technology Co. Ltd., at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 10 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 24 Nov 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Rotavirus diarrhea Testing at baseline (time frame: baseline(day 0)). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Nov 2023.

Free account

Log in to keep searching

You’ve used your 3 free searches. AzTrials is free: log in or create a free account to keep searching clinical trials and save the ones you want to follow.

Create a free accountLog in