UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000056571
Receipt number R000064651
Scientific Title Subjective sleep feeling caused by using a functional fiber blend down comforter - Study using cross over design -
Date of disclosure of the study information 2024/12/27
Last modified on 2025/04/11 09:24:26

* 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

Subjective sleep feeling caused by using a functional fiber blend down comforter - Study using cross over design -

Acronym

Subjective sleep feeling caused by using a functional fiber blend down comforter - Study using cross over design -

Scientific Title

Subjective sleep feeling caused by using a functional fiber blend down comforter - Study using cross over design -

Scientific Title:Acronym

Subjective sleep feeling caused by using a functional fiber blend down comforter - Study using cross over design -

Region

Japan


Condition

Condition

Healthy Adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

By sleeping with a down comforter mixed with functional fibers and a down comforter mixed with rayon, which is not made of functional fibers, we will record a questionnaire that servers as a subjective sleep index. We will examine whether there are differences in the feelings of sleep satisfaction, rest, and deep sleep between the two down comforters.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

OSA sleep inventory MA version

Key secondary outcomes

Pittsburg Sleep Quality Index: PSQI
Evaluation of sleep restfulness
Evaluation of fatigue
Evaluation of comforter usability


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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

18 years-old <=

Age-upper limit

60 years-old >

Gender

Male and Female

Key inclusion criteria

1. Healthy individuals who volunteered to participate in the study with no history of psychiatric disorders, sleep disorders.
2. Individuals aged 18 years or older and under 60years at the time of obtaining consent.
3. Individuals who own a smartphone or PC and can answer questionnaire online.

Key exclusion criteria

1. Individuals with underlying conditions such as chronic respiratory disease, heart disease, kidney disease, or liver disease.
2. Individuals with systemic skin diseases such as severe atopic dermatitis or psoriasis.
3. Individuals receiving systemic steroids or immunosuppressants.
4. Individuals who are not in an environment where they can sleep alone.
5. Individuals who use far-infrared radiating materials or similar materials in their daily bedding and clothing.
6. Individuals who do not use down comorters for their regular bedding.
7. Individuals deemed unsuitable by the principal investigator.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Mayu
Middle name
Last name Murata

Organization

Kawada Feather Co., Ltd.

Division name

laboratory

Zip code

515-0303

Address

3255 Yamaoyodo, Meiwa, Taki, Mie, Japan

TEL

0596-55-2431

Email

murata@kawada.net


Public contact

Name of contact person

1st name Mayu
Middle name
Last name Murata

Organization

Kawada Feather Co., Ltd.

Division name

laboratory

Zip code

515-0303

Address

3255 Yamaoyodo, Meiwa, Taki, Mie, Japan

TEL

0596-55-2431

Homepage URL


Email

murata@kawada.net


Sponsor or person

Institute

Kawada Feather Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Kawada Feather Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

FIRBEST Co., Ltd.

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Shiba Palace Clinic Ethics Review Committee

Address

DaiwaA Hamamatsucho Bldg. 6F, 1-9-10, Hamamatsucho, Minato-ku, Tokyo, 105-0013, JAPAN

Tel

03-5408-1599

Email

shiba_palace@s-palace-clinic.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

2024 Year 12 Month 27 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

Completed

Date of protocol fixation

2024 Year 11 Month 22 Day

Date of IRB

2024 Year 12 Month 19 Day

Anticipated trial start date

2024 Year 12 Month 27 Day

Last follow-up date

2029 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This study is an observational study, and the study design is a single-blind crossover comparative study. Participants will sleep using a down comforter made of a functional fiber blend and a down comforter made of a rayon blend, which is not a functional fiber, to examine the differences in subjective sleep sensation.


Management information

Registered date

2024 Year 12 Month 26 Day

Last modified on

2025 Year 04 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000064651