UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000049551
Receipt number R000056148
Scientific Title Evaluation of the effect of kefir on sleep quality and gut microbiome in healthy subjects: A randomized, placebo-controlled, double-blind, parallel study
Date of disclosure of the study information 2022/11/18
Last modified on 2024/11/19 11:13:42

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Basic information

Public title

Evaluation of the effect of kefir on sleep quality and gut microbiome in healthy subjects

Acronym

Evaluation of the effect of kefir on sleep quality and gut microbiome in healthy subjects

Scientific Title

Evaluation of the effect of kefir on sleep quality and gut microbiome in healthy subjects: A randomized, placebo-controlled, double-blind, parallel study

Scientific Title:Acronym

Evaluation of the effect of kefir on sleep quality and gut microbiome in healthy subjects: A randomized, placebo-controlled, double-blind, parallel study

Region

Japan


Condition

Condition

Healthy

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To assess the effect of kefir on sleep quality and gut microbiome

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

12-week change in Pittsburg Sleep Quality Index

Key secondary outcomes

12-week changes in the followings: the gut microbiome, Visual Analogue Scale (sleep quality, mental stress, physical fatigue), OSA-Sleep Inventory MA Version, State-Trait Anxiety Inventory, salivary cortisol, and natural stool frequency


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


Blocking

YES

Concealment

No need to know


Intervention

No. of arms

3

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Subjects take 1.5 g of powder per day containing 1.0 g of kefir for 12 weeks.

Interventions/Control_2

Subjects take 1.5 g of powder per day containing 0.4 g of kefir for 12 weeks.

Interventions/Control_3

Subjects take 1.5 g of placebo powder per day for 12 weeks.

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

20 years-old <=

Age-upper limit

75 years-old >=

Gender

Male and Female

Key inclusion criteria

1) Healthy
2) Constantly feeling unsatisfaction with sleep quality

Key exclusion criteria

1) With a disorder requiring prompt treatment
2) Taking medicines or dietary supplements that may affect the trial
3) Participation in any clinical trial within three months of the commencement of the trial
4) In pregnancy or nursing a child
5) Judged as ineligible by the investigators

Target sample size

75


Research contact person

Name of lead principal investigator

1st name Fumiko
Middle name
Last name Higashikawa

Organization

Hiroshima University Hospital

Division name

Medical Center for Translational and Clinical Research

Zip code

734-8551

Address

Kasumi 1-2-3, Minami-ku, Hiroshima 734-8551, JAPAN

TEL

082-257-1909

Email

fumiko@hiroshima-u.ac.jp


Public contact

Name of contact person

1st name Fumiko
Middle name
Last name Higashikawa

Organization

Hiroshima University Hospital

Division name

Medical Center for Translational and Clinical Research

Zip code

734-8551

Address

Kasumi 1-2-3, Minami-ku, Hiroshima 734-8551, JAPAN

TEL

082-257-1909

Homepage URL


Email

healthy-life@hiroshima-u.ac.jp


Sponsor or person

Institute

Hiroshima University

Institute

Department

Personal name



Funding Source

Organization

Nihon kefir Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethical Committee for Clinical Research of Hiroshima University

Address

Kasumi 1-2-3 Minami-Ku, Hiroshima 734-8551

Tel

082-257-1551

Email

iryo-seisaku@office.hiroshima-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

広島大学病院(広島県)


Other administrative information

Date of disclosure of the study information

2022 Year 11 Month 18 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled

75

Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2022 Year 11 Month 14 Day

Date of IRB

2022 Year 11 Month 14 Day

Anticipated trial start date

2022 Year 11 Month 18 Day

Last follow-up date

2024 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2022 Year 11 Month 18 Day

Last modified on

2024 Year 11 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000056148