UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000054983
Receipt number R000062625
Scientific Title Effect of two 30-minute naps during the night - a randomized, crossover, controlled trial
Date of disclosure of the study information 2024/07/17
Last modified on 2024/07/16 20:17:02

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Basic information

Public title

Effect of two 30-minute naps during the night - a randomized, crossover, controlled trial

Acronym

Effect of two 30-minute naps during the night - a randomized, crossover, controlled trial

Scientific Title

Effect of two 30-minute naps during the night - a randomized, crossover, controlled trial

Scientific Title:Acronym

Effect of two 30-minute naps during the night - a randomized, crossover, controlled trial

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study was to evaluate performance and subjective sleepiness after two 30-minute naps during the night.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

A psychomotor arousal task (PVT) was used to assess neurobehavioral function. PVT was measured every hour from 16:00-09:30.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -but assessor(s) are blinded

Control

No treatment

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

3

Purpose of intervention

Prevention

Type of intervention

Behavior,custom

Interventions/Control_1

Take a 30-minute nap during the night.

Interventions/Control_2

Take two 30-minute naps during the night.

Interventions/Control_3

Not sleeping during the night.

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

23 years-old >=

Gender

Female

Key inclusion criteria

There are no abnormalities found on the medical examination.

Key exclusion criteria

The participants were not obvious morning type or evening type on the "Morningness-Eveningness Questionnaire".

Target sample size

14


Research contact person

Name of lead principal investigator

1st name Sanae
Middle name
Last name Oriyama

Organization

Hiroshima University Graduate School of Biomedical and Health Sciences

Division name

Division of Nursing Science

Zip code

734-8553

Address

Kasumi 1-2-3, Minami-ku, Hiroshima, Hiroshima, Japan

TEL

082-257-5355

Email

oriyama@hiroshima-u.ac.jp


Public contact

Name of contact person

1st name Sanae
Middle name
Last name Oriyama

Organization

Hiroshima University Graduate School of Biomedical and Health Sciences

Division name

Division of Nursing Science

Zip code

734-8553

Address

Kasumi 1-2-3, Minami-ku, Hiroshima, Hiroshima, Japan

TEL

082-257-5355

Homepage URL


Email

oriyama@hiroshima-u.ac.jp


Sponsor or person

Institute

Hiroshima University

Institute

Department

Personal name



Funding Source

Organization

Grants-in-Aid for Scientific Research

Organization

Division

Category of Funding Organization

Japanese Governmental office

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, Hiroshima, Japan

Tel

082-257-1551

Email

iryo-sinsa@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



Other administrative information

Date of disclosure of the study information

2024 Year 07 Month 17 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

2024 Year 07 Month 12 Day

Date of IRB

2024 Year 07 Month 12 Day

Anticipated trial start date

2024 Year 08 Month 20 Day

Last follow-up date

2025 Year 06 Month 30 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 07 Month 16 Day

Last modified on

2024 Year 07 Month 16 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000062625


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name