UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000063539
Receipt number R000072704
Scientific Title Clinical evaluation of home-use nitric oxide production-promoting blood circulation devices (skin gas NO measurement study and blood flow evaluation study)
Date of disclosure of the study information 2026/11/05
Last modified on 2026/11/05 20:12:14

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Basic information

Public title

Effect of wearing specially treated textile products on skin gas and blood flow

Acronym

Skin gas NO and blood flow study

Scientific Title

Clinical evaluation of home-use nitric oxide production-promoting blood circulation devices (skin gas NO measurement study and blood flow evaluation study)

Scientific Title:Acronym

Skin gas NO measurement and blood flow evaluation study

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the effects of wearing specially treated textile products on skin gas nitric oxide and blood flow, compared with the same untreated products.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Study I: nitric oxide concentration in skin gas (difference between treated and untreated products)
Study II: change in blood flow from before wearing (difference between treated and untreated products)

Key secondary outcomes

Body temperature, blood pressure, adverse events


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Non-randomized

Randomization unit


Blinding

Single blind -participants are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

Participants wear the untreated product and are measured.

Interventions/Control_2

On the same day, participants then wear the treated product and are measured.

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

69 years-old >=

Gender

Male and Female

Key inclusion criteria

Healthy adult men and women aged 20 to 69 years

Key exclusion criteria

1. Individuals taking medications that affect hemodynamics
2. Individuals with diseases affecting blood flow or thermoregulation, such as heart disease or hypertension
3. Individuals with skin disease or wounds at the wearing or measurement site, or prone to skin irritation
4. Women who are pregnant, may be pregnant, or are breastfeeding
5. Smokers
6. (Study I) Individuals who regularly take supplements that may affect nitric oxide production
7. Individuals participating in another clinical study, or within 4 weeks after completing one
8. Other individuals judged ineligible by the principal investigator

Target sample size

160


Research contact person

Name of lead principal investigator

1st name Hisanori
Middle name
Last name Oshima

Organization

Ligua Inc.

Division name

Product Marketing Department, Executive Officer

Zip code

541-0047

Address

2-6-6 Awajimachi, Chuo-ku, Osaka-shi, Osaka

TEL

06-6232-1800

Email

md-qc@ligua.jp


Public contact

Name of contact person

1st name Nami
Middle name
Last name Seike

Organization

Ligua Inc.

Division name

Tokyo Office

Zip code

100-0014

Address

1-11-30 Nagatacho, Chiyoda-ku, Tokyo

TEL

03-3519-7813

Homepage URL


Email

md-qc@ligua.jp


Sponsor or person

Institute

Ligua Inc.

Institute

Department

Personal name



Funding Source

Organization

Ligua Inc.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Ethics Committee of Nihonbashi Cloud Clinic, Seiunkai General Incorporated Association

Address

2-16-3 Nihonbashi, Chuo-ku, Tokyo

Tel

050-1808-4537

Email

info@cloud-clinic-nihonbashi.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

2026 Year 11 Month 05 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

2026 Year 10 Month 30 Day

Date of IRB

2026 Year 11 Month 04 Day

Anticipated trial start date

2026 Year 11 Month 23 Day

Last follow-up date

2028 Year 03 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

2026 Year 11 Month 05 Day

Last modified on

2026 Year 11 Month 05 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072704