UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000039115
Receipt number R000044579
Scientific Title The investigation study for the prevention effect of ingestion of lactoferrin-containing yogurt on infectious diseases (infectious gastroenteritis, influenza) in nursery school children.
Date of disclosure of the study information 2020/01/11
Last modified on 2020/01/09 21:11:28

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Basic information

Public title

The investigation study for the prevention effect of ingestion of lactoferrin-containing yogurt on infectious diseases (infectious gastroenteritis, influenza) in nursery school children.

Acronym

The investigation of preventive effects of ingestion of lactoferrin-containing yogurt on infectious diseases in nursery school children.

Scientific Title

The investigation study for the prevention effect of ingestion of lactoferrin-containing yogurt on infectious diseases (infectious gastroenteritis, influenza) in nursery school children.

Scientific Title:Acronym

The investigation of preventive effects of ingestion of lactoferrin-containing yogurt on infectious diseases in nursery school children.

Region

Japan


Condition

Condition

Infectious gastroenteritis, influenza

Classification by specialty

Medicine in general Gastroenterology Pneumology
Child

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of ingestion of lactoferrin-containing yogurt on the prevention of infectious gastroenteritis and the prevention of respiratory tract infections caused by influenza infection in nursery school children who are at high risk of developing and transmitting infectious diseases.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The group receiving the commercially available yogurt containing lactoferrin and the comparative group were ingested for 3.5 months, and the incidence of infectious gastroenteritis due to norovirus, infectious gastroenteritis due to other causes, and respiratory infection due to influenza was evaluated within the period.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

The LF group took drink yogurt containing lactoferrin (100 mg) was ingested 5 days (week in principle) / week and 1 bottle / day at breakfast in principle. The intake period was 3.5 months.

Interventions/Control_2

The control group took fruit jelly arbitrarily. The intake period was 3.5 months.

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

3 years-old <=

Age-upper limit

5 years-old >=

Gender

Male and Female

Key inclusion criteria

1. Nursery school children (3, 4 and 5 years old)
2. Participants who give sufficient explanation to nursery school children and their parents when participating in the study

Key exclusion criteria

1. Persons with allergy to milk and dairy products
2. Persons who have serious diseases such as circulatory system, liver, kidney, respiratory system, digestive system, blood, endocrine system, metabolic system, etc. or who have a past history and are judged to be inappropriate to participate in the survey
3. Persons who plan to leave the school during the test period
4. The investigator has determined that participation in the study is inappropriate

Target sample size

1200


Research contact person

Name of lead principal investigator

1st name Tetsuo
Middle name
Last name Nomiyama

Organization

Shinshu University School of Medicine

Division name

Department of Preventive Medicine and Public Health

Zip code

3908621

Address

3-1-1 Asahi, Matsumoto City, Nagano Prefecture

TEL

0263-37-2622

Email

nomiyama@shinshu-u.ac.jp


Public contact

Name of contact person

1st name Teruomi
Middle name
Last name Tsukahara

Organization

Shinshu University School of Medicine

Division name

Occupational Health Laboratory, Department of Preventive Medicine and Public Health

Zip code

3908621

Address

3-1-1 Asahi, Matsumoto City, Nagano Prefecture

TEL

0263-37-3582

Homepage URL


Email

tsukat@shinshu-u.ac.jp


Sponsor or person

Institute

Department of Preventive Medicine and Public Health, Shinshu University School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Food Ingredients and Technology Institute, R&D Division, Morinaga Milk Industry Co., Ltd,

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Medical Ethics Committee, Shinshu University School of Medicine

Address

3-1-1 Asahi, Matsumoto City, Nagano Prefecture

Tel

0263-37-2572

Email

mdrinri@shinshu-u.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2020 Year 01 Month 11 Day


Related information

URL releasing protocol

Cannot be entered because a paper is currently being submitted.

Publication of results

Unpublished


Result

URL related to results and publications

Cannot be entered because a paper is currently being submitted.

Number of participants that the trial has enrolled

1296

Results

At the end of the study, 1,296 children participated in the study, and 22 withdrew consent during the period, resulting in 1,274 children. Of these, 1,162 subjects from whom all data necessary for analysis could be collected were included in the analysis.
There was no difference in the incidence and severity of infectious gastroenteritis and influenza between the lactoferrin group and the control group.

Results date posted

2020 Year 01 Month 09 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

With the cooperation of 21 nursery schools, both public and private nursery schools in M city, N prefectures, targeted for 3-5 year old nursery school children.
It is also required that the following exclusion requirements be satisfied.
1 Persons with milk and dairy product allergies

2 Patients with serious diseases in the circulatory system, liver, kidney, respiratory system, digestive system, blood, endocrine system, metabolic system, etc., or those who have a past history and are judged to be inappropriate to participate in the survey

3 Person who plans to leave during the test period

4 Persons whom the investigator judged that participation in the survey was inappropriate

Participant flow

The purpose of the test was explained to a nursery school in the city with the cooperation of the local government. The test staff then held a test briefing session for parents of 3-5 year olds.
In the test food, the LF group ingested a commercially available LF-containing drink yogurt for 5 days (from Monday to Friday) / week, 1 bottle / day in principle at breakfast, and the control group optionally consumed fruit jelly. The intake status was recorded and confirmed on the intake record slip.
In addition, with the cooperation of pediatrics in the city, when the children who participated in the study were examined during the period for symptoms of infectious gastroenteritis and suspected influenza, a norovirus test and influenza test were conducted. Parents filled out a report with their symptoms and test results when the children were seen for suspected infectious gastroenteritis and influenza.

Adverse events

No adverse events were identified.

Outcome measures

1 Incidence of influenza

2 Severity of Influenza

3 incidence of norovirus gastroenteritis

4 Severity of norovirus gastroenteritis

5 Incidence of infectious gastroenteritis other than norovirus

6 Severity of infectious gastroenteritis  other than norovirus

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2014 Year 09 Month 01 Day

Date of IRB

2014 Year 09 Month 02 Day

Anticipated trial start date

2014 Year 09 Month 02 Day

Last follow-up date

2015 Year 03 Month 13 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2020 Year 01 Month 10 Day

Last modified on

2020 Year 01 Month 09 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000044579


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name