UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000034294
Receipt number R000039094
Scientific Title The influence of contact with plants and visual stimulation with images of the natural environment on decision-making
Date of disclosure of the study information 2018/09/28
Last modified on 2019/10/01 17:08:03

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Basic information

Public title

The influence of contact with plants and visual stimulation with images of the natural environment on decision-making

Acronym

The influence of nature contact on decision-making

Scientific Title

The influence of contact with plants and visual stimulation with images of the natural environment on decision-making

Scientific Title:Acronym

The influence of nature contact on decision-making

Region

Japan


Condition

Condition

Not applicable

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate how potted plants and images of the natural environment affect decision-making in adults, through looking at behavioral and neural indices.

Basic objectives2

Others

Basic objectives -Others

Psychological effects

Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

1) Performance on decision-making tasks
2) Behavioral parameters estimated from the decision-making tasks
3) Brain activation and heart rate variability during decision-making tasks

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

A potted-plants-transferring task is used for intervention, whereas a pot-transferring task with pots of the same weight but without plants is used for the control task. Plants intervention and control intervention are crossoverred between subjects.

Interventions/Control_2

Images of the natural environment vs urban scenes. Intervention with images of nature and intervention with control images are crossoverred between subjects.

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

20 years-old <=

Age-upper limit

70 years-old >=

Gender

Male and Female

Key inclusion criteria

1) By self-declaration, those with visual acuity (corrective visual acuity is acceptable) of 0.6 or more (colored eyeglasses or color contacts not allowed) and without any color vision disorder.
2) Persons who signed written consent by their free will with sufficient understanding after receiving sufficient explanation for the participation of this research.

Key exclusion criteria

1) By self-declaration, persons who have mental disorders and serious physical disorders, past history of neurodegenerative diseases, or are currently under treatment.
2) By self-declaration, persons whose first-degree relatives have any history of mental illness.
3) Despite self-declaring that there is no history of mental illness, persons who are judged to have a mental illness with an interview by a research staff (using MINI).

Target sample size

180


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Shin Nakagawa

Organization

Yamaguchi University Graduate School of Medicine

Division name

Division of Neuropsychiatry

Zip code


Address

MinamiKogushi 1-1-1, Ube

TEL

0836-22-2255

Email

brain@yamaguchi-u.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Chong Chen

Organization

Yamaguchi University Graduate School of Medicine

Division name

Division of Neuropsychiatry

Zip code


Address

MinamiKogushi 1-1-1, Ube

TEL

0836-22-2255

Homepage URL


Email

brain@yamaguchi-u.ac.jp


Sponsor or person

Institute

Yamaguchi University Graduate School of Medicine, Division of Neuropsychiatry

Institute

Department

Personal name



Funding Source

Organization

Self funding

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization


Address


Tel


Email



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

2018 Year 09 Month 28 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


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

Terminated

Date of protocol fixation

2018 Year 09 Month 26 Day

Date of IRB

2019 Year 08 Month 28 Day

Anticipated trial start date

2018 Year 09 Month 27 Day

Last follow-up date

2019 Year 04 Month 25 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2018 Year 09 Month 27 Day

Last modified on

2019 Year 10 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000039094


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name