The effects of low level laser irradiation on the activity of A-delta fibers and C fibers

The effects of low level laser irradiation on the activity of A-delta fibers and C fibers - The effects of low level laser irradiation on the activity of A-delta fibers and C fibers

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000056285

Enrollment

Registered

2024-11-27

Start date

2024-08-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy adult

Interventions

Low-level laser irradiation Continuous irradiation, 60 to 180mW / Pulsed irradiation, peak output 10W Sham irradiation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: healthy adults without pain

Exclusion criteria

Exclusion criteria: Experiencing pain Under treatment for some form of pain Unable to obtain consent Withdraws from the study

Design outcomes

Primary

Measure	Time frame
Measured before and after laser irradiation. Pain threshold of intraepidermal nerve terminal(PINT) Electrical pain threshold Electrical perception threshold Pressure pain threshold(PPT) Thermal pain threshold(TPT) Temporal summation(TS) Perception threshold	—

Countries

Japan

Contacts

Public Contactnobuyuki takeuchi

Takasaki University of Health and Welfare Department of Physical Therapy, Faculty of Health Sciences

takenobuyuki@yahoo.co.jp09088759981

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026