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Name:
UMIN ID:

Recruitment status Preinitiation
Unique ID issued by UMIN UMIN000034012
Receipt No. R000038779
Scientific Title The effects of visual stimulation in the form of interior wall images of knotted or knot-free wood using a large plasma display: Crossover test
Date of disclosure of the study information 2018/09/03
Last modified on 2018/09/03

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Basic information
Public title The effects of visual stimulation in the form of interior wall images of knotted or knot-free wood using a large plasma display: Crossover test
Acronym Visual stimulation effects of images of knotted or knot-free wood using a large plasma display
Scientific Title The effects of visual stimulation in the form of interior wall images of knotted or knot-free wood using a large plasma display: Crossover test
Scientific Title:Acronym Visual stimulation effects of images of knotted or knot-free wood using a large plasma display
Region
Japan

Condition
Condition Healthy person
Classification by specialty
Adult
Classification by malignancy Others
Genomic information NO

Objectives
Narrative objectives1 We aim to clarify the psychological and physiological effects of visual stimulation provided by images of interior walls comprising knotted or knot-free wood using a large plasma display in 20 female university students.
Basic objectives2 Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes 1) Prefrontal activity using near-infrared spectroscopy
2) Sympathetic and parasympathetic nervous activity as indicated by heart rate variability
3) Heart rate
Key secondary outcomes 1) Profile of Mood State
2) Modified semantic differential method
3) Kwansei Gakuin (KG) daily life questionnaire
4) Trait Anxiety of State-Trait Anxiety Inventory

Base
Study type Interventional

Study design
Basic design Cross-over
Randomization Randomized
Randomization unit Individual
Blinding Open -no one is blinded
Control Placebo
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment

Intervention
No. of arms 6
Purpose of intervention Prevention
Type of intervention
Other
Interventions/Control_1 Visual stimulation using an interior wall image of knotted wood (90 s) -> Washout period -> Visual stimulation using an interior wall image of knot-free wood (90 s) -> Washout period -> Visual stimulation using a gray image (90 s)
Interventions/Control_2 Visual stimulation using an interior wall image of knotted wood (90 s) -> Washout period -> Visual stimulation using a gray image (90 s) -> Washout period -> Visual stimulation using an interior wall image of knot-free wood (90 s)
Interventions/Control_3 Visual stimulation using an interior wall image of knot-free wood (90 s) -> Washout period -> Visual stimulation using an interior wall image of knotted wood (90 s) -> Washout period -> Visual stimulation using a gray image (90 s)
Interventions/Control_4 Visual stimulation using an interior wall image of knot-free wood (90 s) -> Washout period -> Visual stimulation using a gray image (90 s) -> Washout period -> Visual stimulation using an interior wall image of knotted wood (90 s)
Interventions/Control_5 Visual stimulation using a gray image (90 s) -> Washout period -> Visual stimulation using an interior wall image of knotted wood (90 s) -> Washout period -> Visual stimulation using an interior wall image of knot-free wood (90 s)
Interventions/Control_6 Visual stimulation using a gray image (90 s) -> Washout period -> Visual stimulation using an interior wall image of knot-free wood (90 s) -> Washout period -> Visual stimulation using an interior wall image of knotted wood (90 s)
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10

Eligibility
Age-lower limit
20 years-old <=
Age-upper limit
30 years-old >
Gender Female
Key inclusion criteria Healthy person
Key exclusion criteria 1) Subjects who are in a poor physical condition
2) Subjects who have a respiratory illness
3) Subjects deemed inappropriate to participate in this study by the principle investigator
4) Subjects with menstruation during the study period
5) Subjects with visual acuity of <20/100 in both eyes
Target sample size 30

Research contact person
Name of lead principal investigator
1st name
Middle name
Last name Yoshifumi Miyazaki
Organization Center for Environment, Health and Field Sciences, Chiba University
Division name Natural Therapy Laboratory
Zip code
Address 6-2-1 Kashiwa-no-ha, Kashiwa, Chiba 277-0882, Japan
TEL 04-7137-8113
Email ymiyazaki@faculty.chiba-u.jp

Public contact
Name of contact person
1st name
Middle name
Last name Yoshifumi Miyazaki
Organization Center for Environment, Health and Field Sciences, Chiba University
Division name Natural Therapy Laboratory
Zip code
Address 6-2-1 Kashiwa-no-ha, Kashiwa, Chiba 277-0882, Japan
TEL 04-7137-8113
Homepage URL http://www.fc.chiba-u.jp/research/miyazaki/index.html
Email ymiyazaki@faculty.chiba-u.jp

Sponsor
Institute Center for Environment, Health and Field Sciences, Chiba University
Institute
Department

Funding Source
Organization Tokyo wood cooperatives
Organization
Division
Category of Funding Organization Other
Nationality of Funding Organization

Other related organizations
Co-sponsor 1) Forestry and Forest Products Research Institute
2) Kyoto University
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 03 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 Preinitiation
Date of protocol fixation
2018 Year 09 Month 03 Day
Date of IRB
Anticipated trial start date
2018 Year 09 Month 03 Day
Last follow-up date
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 03 Day
Last modified on
2018 Year 09 Month 03 Day


Link to view the page
URL(English) https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000038779

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name


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