UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057123
Receipt number R000065292
Scientific Title Pilot study to evaluate the effects of simultaneous exposure to multiple radio frequencies on Human Skin
Date of disclosure of the study information 2025/02/25
Last modified on 2025/02/25 11:50:28

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Basic information

Public title

Pilot study to evaluate the effects of simultaneous exposure to multiple radio frequencies on Human Skin

Acronym

Pilot study to evaluate the effects of simultaneous exposure to multiple radio frequencies on Human Skin

Scientific Title

Pilot study to evaluate the effects of simultaneous exposure to multiple radio frequencies on Human Skin

Scientific Title:Acronym

Pilot study to evaluate the effects of simultaneous exposure to multiple radio frequencies on Human Skin

Region

Japan


Condition

Condition

None

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of simultaneous exposure to high-frequency and millimeter-wave radiation on the human body, a preliminary study will examine the impact of high-frequency radiation on human skin.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

skin temperature

Key secondary outcomes

core temperature
skin blood flow
heart rate
stress markers in blood and urinary


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Non-randomized

Randomization unit


Blinding

Single blind -participants are blinded

Control

Dose comparison

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

4

Purpose of intervention

Prevention

Type of intervention

Other

Interventions/Control_1

A sham exposure of the human back skin to a 2 GHz-millimeter wave

Interventions/Control_2

A single exposure of the human back skin to a 2 GHz-millimeter wave at low intensity

Interventions/Control_3

A single exposure of the human back skin to a 2 GHz-millimeter wave at middle intensity

Interventions/Control_4

A single exposure of the human back skin to a 2 GHz-millimeter wave at maximum intensity

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

80 years-old >

Gender

Male and Female

Key inclusion criteria

Those who
-have obtained their informed consent.
-are in good health.
-are determined that they are eligible to participate in this study, based on the interview about their life history, lifestyle, etc.

Key exclusion criteria

Those who
-are determined not to be in good health at the time of consent.
-are found to have lied in their consent forms of declarations.
-are judged to have difficulty in participating in this study as a result of interviews regarding their life history, lifestyle, etc.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Hiroshi
Middle name
Last name Masuda

Organization

Kurume University School of Medicine

Division name

Dept. of Environmental Medicine

Zip code

830-0011

Address

67 Asahi-Machi, Kurume, Fukuoka, Japan

TEL

0942-31-7552

Email

bdxmsdb@yahoo.co.jp


Public contact

Name of contact person

1st name Hiroshi
Middle name
Last name Masuda

Organization

Kurume University School of Medicine

Division name

Dept. of Environmental Medicine

Zip code

830-0011

Address

67 Asahi-Machi, Kurume, Fukuoka, Japan

TEL

0942-31-7552

Homepage URL


Email

bdxmsdb@yahoo.co.jp


Sponsor or person

Institute

Kurume University School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Ministry of Internal Affairs and Communications

Organization

Division

Category of Funding Organization

Government offices of other countries

Nationality of Funding Organization



Other related organizations

Co-sponsor

Nagoya Institute of Technology
Saga University
Hokkaido University
Kitami Institute of Technology

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Kurume university Medical Ethics Committee

Address

67 Asahi-Machi, Kurume, Fukuoka, Japan

Tel

0942-65-3749

Email

i_rinri@kurume-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

久留米大学医学部環境医学講座  Department of Environmental Medicine, Kurume University


Other administrative information

Date of disclosure of the study information

2025 Year 02 Month 25 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 01 Month 29 Day

Date of IRB

2025 Year 01 Month 29 Day

Anticipated trial start date

2025 Year 02 Month 25 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

2025 Year 02 Month 25 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=R000065292