UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000045851
Receipt number R000051543
Scientific Title Effects of Shinrin-yoku on mucosal immunity: Randomized controlled study
Date of disclosure of the study information 2021/10/25
Last modified on 2023/10/27 12:05:55

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Study on Health Promotion by Shinrin-yoku - Effects of Shinrin-yoku on Immune System and Relationship with Endocrine System

Acronym

Changes in immune function by Shinrin-yoku

Scientific Title

Effects of Shinrin-yoku on mucosal immunity: Randomized controlled study

Scientific Title:Acronym

Changes in mucosal immune function by Shinrin-yoku: Randomized Controlled Study

Region

Japan


Condition

Condition

Healthy person

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Examine whether performing Shinrin-yoku improves mucosal immune function

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Changes in sIgA levels after 2.5 hours of Shinrin-yoku, including 60 minutes of walking

Key secondary outcomes

Changes in NK cell activity, cytokines such as IgG and CD-8, and stress hormones such as cortisol before and after 2.5 hours of Shinrin-yoku, including 60 minutes of walking in the forest and city


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration


Blocking

NO

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Behavior,custom

Interventions/Control_1

Two and a half hours of Shinrin-yoku, including a 60-minute walk (spend time in the forest using all five senses while taking a slow stroll).

Interventions/Control_2

The control group will perform the same activity in the city (2.5 hours in the city, including a 60-minute walk).

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

40 years-old <=

Age-upper limit

70 years-old >

Gender

Male

Key inclusion criteria

No difficulty walking for about 90 minutes.
The participants live in an urban area in the Kanto region and are able to travel to Ginza and Musashi Itsukaichi Station on their own without difficulty.

Key exclusion criteria

Those who are taking drugs such as antibiotics, anti-inflammatory drugs, anti-allergic drugs, steroids, immunosuppressive drugs, etc., which may affect this study. Those who have related diseases (collagen diseases, common cold, inflammatory diseases, etc.), and those who currently have a smoking habit.

Target sample size

80


Research contact person

Name of lead principal investigator

1st name Hiroko
Middle name
Last name Ochiai

Organization

National Hospital Organization Tokyo Medical Center

Division name

Department of Plastic and Reconstructive Surgery

Zip code

152-8902

Address

2-5-1, Higashigaoka, Meguroku ,Tokyo

TEL

0334110111

Email

ochiroko@gmail.com


Public contact

Name of contact person

1st name Hiroko
Middle name
Last name Ochiai

Organization

National Hospital Organization Tokyo Medical Center

Division name

Department of Plastic and Reconstructive Surgery

Zip code

152-8902

Address

2-5-1, Higashigaoka, Meguroku ,Tokyo

TEL

0334110111

Homepage URL


Email

ochiroko@gmail.com


Sponsor or person

Institute

National Hospital Organization (Tokyo Medical Center Clinical Research Center)

Institute

Department

Personal name



Funding Source

Organization

The Commemorative Foundation for the Public Interest Fund for Vehicle Racing

Organization

Division

Category of Funding Organization

Non profit foundation

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

Tokyo Women's Medical University
Tokyo Medical University

Name of secondary funder(s)



IRB Contact (For public release)

Organization

National Hospital Organization Tokyo Medical Center

Address

2-5-1, Higashigaoka, Meguroku ,Tokyo

Tel

0334110111

Email

ochiroko@gmail.com


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

2021 Year 10 Month 25 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

79

Results


Results date posted


Results Delayed

Delay expected

Results Delay Reason

It is currently being submitted to a journal and has not yet been accepted for publication.

Date of the first journal publication of results


Baseline Characteristics

A:40-70-year-old men,B.no difficulty in walking for approximately 90 minutes, and C:living in an urban area in the Kanto region and being able to travel to place where the experiments are conducted on their own without difficulty. The exclusion criteria were as follows: a:those who were taking drugs such as antibiotics, anti-inflammatory drugs, anti-allergic drugs, steroids, immunosuppressive drugs, etc., which may affect this study; b:those who had related diseases (collagen diseases, common cold, inflammatory diseases, etc.); and :those who had a smoking habit.

Participant flow

The 84 participants were randomized into two groups, 42 into the forest walk and 42 into the urban walk group. Due to scheduling problems and knee pain, withdrawals occurred, and 37 forest walkers and 41 urban walkers participated in the experiment. Saliva and blood samples were collected before and after each 90-minute walk, and questionnaires were administered.

Adverse events

Non ie particular.

Outcome measures

The primary outcome measure was salivary sIgA, and secondary outcomes included stress hormone levels, and the Profile of Mood Status questionnaire, second version (POMS-2).

Plan to share IPD

None in particular.

IPD sharing Plan description

None in particular.


Progress

Recruitment status

No longer recruiting

Date of protocol fixation

2021 Year 09 Month 01 Day

Date of IRB

2021 Year 07 Month 19 Day

Anticipated trial start date

2021 Year 09 Month 01 Day

Last follow-up date

2022 Year 01 Month 31 Day

Date of closure to data entry

2022 Year 01 Month 31 Day

Date trial data considered complete

2022 Year 03 Month 31 Day

Date analysis concluded

2022 Year 03 Month 31 Day


Other

Other related information



Management information

Registered date

2021 Year 10 Month 25 Day

Last modified on

2023 Year 10 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000051543


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name