UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000056188
Receipt number R000064196
Scientific Title Effects of sleep deprivation on the cognitive function
Date of disclosure of the study information 2025/12/31
Last modified on 2025/02/25 13:45:23

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Basic information

Public title

Effects of sleep deprivation on the cognitive function

Acronym

Effects of sleep deprivation on the cognitive function

Scientific Title

Effects of sleep deprivation on the cognitive function

Scientific Title:Acronym

Effects of sleep deprivation on the cognitive function

Region

Japan


Condition

Condition

None (Healthy Adults)

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To understand the effect of sleep deprivation on the cognitive function

Basic objectives2

Others

Basic objectives -Others

To understand the effect of sleep deprivation on the cognitive performance

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Subjective psychological test

Key secondary outcomes

Subjective sleepiness


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Self control

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Behavior,custom

Interventions/Control_1

1 normal sleep
2 sleep deprivation
The order of laboratory is (1,2).

Interventions/Control_2


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

40 years-old >=

Gender

Male and Female

Key inclusion criteria

1. Healthy males and females aged 20 to 40
2. Those whose Pittsburgh Sleep Quality Index score of less than 6
3. Native Japanese speakers

Key exclusion criteria

1. Individuals with serious illnesses under treatment or a history of mental illness.
2. Individuals judged to have sleep problems by the principal investigator or researchers (doctors) at Shiga University of Medical Science.
3. Individuals taking medication or supplements related to sleep.
4. Individuals unable to stay for 3 days and 2 nights.
5. Individuals planning to drive (including bicycles and scooters) or engage in other hazardous activities on the day of the test.
6. Individuals consuming excessive alcohol (more than 20g of pure alcohol per day on average).
7. Individuals with a smoking habit (those who have smoked daily or occasionally in the past three months).
8. Individuals unable to get at least 6 hours of sleep per day from one week before the test until the test day, due to night shifts, etc.
9. Individuals with sleep disorders (those whose Pittsburgh Sleep Quality Index score of 6 or higher).

Target sample size

12


Research contact person

Name of lead principal investigator

1st name shima
Middle name
Last name okada

Organization

Ritsumeikan University

Division name

Faculty of Science and Engineering

Zip code

5691022

Address

1-1-1, Nojihigashi,Kusatsu,Shiga,Japan

TEL

0775614939

Email

s-okada@fc.ritsumei.ac.jp


Public contact

Name of contact person

1st name shima
Middle name
Last name okada

Organization

Ritsumeikan University

Division name

Faculty of Science and Engineering

Zip code

5691022

Address

1-1-1, Nojihigashi,Kusatsu,Shiga,Japan

TEL

0775614939

Homepage URL


Email

s-okada@fc.ritsumei.ac.jp


Sponsor or person

Institute

Ritsumeikan University

Institute

Department

Personal name



Funding Source

Organization

Kirin Holdings Company, Limited

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

Shiga University of Medical Science

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ritsumeikan University Ethics Review Committee for Medical Research Involving Human Subjects

Address

1-1-1, Nojihigashi,Kusatsu,Shiga,Japan

Tel

077-599-4175

Email

b-rinri@st.ritsumei.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

立命館大学びわこくさつキャンパスエポック21(滋賀県)


Other administrative information

Date of disclosure of the study information

2025 Year 12 Month 31 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

Open public recruiting

Date of protocol fixation

2024 Year 11 Month 06 Day

Date of IRB

2024 Year 11 Month 06 Day

Anticipated trial start date

2024 Year 12 Month 15 Day

Last follow-up date

2025 Year 12 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

2024 Year 11 Month 19 Day

Last modified on

2025 Year 02 Month 25 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000064196