UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000060584
Receipt number R000069298
Scientific Title An Investigation of the Effects of Photobiomodulation by LED Irradiation on Pain Thresholds and Tissue Temperature.
Date of disclosure of the study information 2026/02/05
Last modified on 2026/02/05 10:02:46

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Basic information

Public title

An Investigation of the Effects of Photobiomodulation by LED Irradiation on Pain Thresholds and Tissue Temperature.

Acronym

An Investigation of the Effects of Photobiomodulation by LED Irradiation on Pain Thresholds and Tissue Temperature.

Scientific Title

An Investigation of the Effects of Photobiomodulation by LED Irradiation on Pain Thresholds and Tissue Temperature.

Scientific Title:Acronym

An Investigation of the Effects of Photobiomodulation by LED Irradiation on Pain Thresholds and Tissue Temperature.

Region

Japan


Condition

Condition

healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of photobiomodulation induced by LED irradiation on pain thresholds and tissue temperature.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

pain threshold of intraepidermal nerve terminal, electrical pain threshold, electrical perception threshold, pressure pain threshold, tissue temperature, subjective thermal sensation

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Single blind -participants are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Device,equipment

Interventions/Control_1

LED light irradiation, 5 minutes (Pain relief effects and tissue temperature changes will be examined through separate interventions)

Interventions/Control_2

sham irradiation (Pain relief effects and tissue temperature changes will be examined through separate interventions)

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


Not applicable

Gender

Male and Female

Key inclusion criteria

Healthy adults aged 18 years or older who provided informed consent / Not currently undergoing treatment for pain / Not taking any analgesics

Key exclusion criteria

Taking pain medication / Experiencing some form of pain / Unable to obtain consent

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Nobuyuki
Middle name
Last name Takeuchi

Organization

Takasaki University of Health and Welfare

Division name

Department of Physical Therapy, Faculty of Health Sciences

Zip code

370-0033

Address

27 Nakadairumachi, Takasaki City, Gunma Prefecture, Japan

TEL

0273521291

Email

ntakeuchi@takasaki-u.ac.jp


Public contact

Name of contact person

1st name nobuyuki
Middle name
Last name takeuchi

Organization

Takasaki University of Health and Welfare

Division name

Department of Physical Therapy, Faculty of Health Sciences

Zip code

3700033

Address

27 Nakadairumachi, Takasaki City, Gunma Prefecture, Japan

TEL

09088759981

Homepage URL


Email

takenobuyuki@yahoo.co.jp


Sponsor or person

Institute

Takasaki University of Health and Welfare

Institute

Department

Personal name



Funding Source

Organization

Takasaki University of Health and Welfare

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor

Honjo General Hospital

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Honjo general hospital

Address

1780 Kitahori, Honjo City, Saitama Prefecture, Japan

Tel

0495-22-6111

Email

soumu001@honjo-hp.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

2026 Year 02 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

Enrolling by invitation

Date of protocol fixation

2025 Year 09 Month 08 Day

Date of IRB

2025 Year 09 Month 08 Day

Anticipated trial start date

2025 Year 09 Month 08 Day

Last follow-up date

2026 Year 05 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 02 Month 05 Day

Last modified on

2026 Year 02 Month 05 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069298