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Completed

NCT Number: NCT04828252

Low Level Laser Intervention for Individuals With Knee Osteoarthritis

The purpose of this study was to investigate the intervention effects of low level laser for knee OA group

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Key information

Conditions

Osteoarthritis, Knee Arthritis Joint Diseases Musculoskeletal Diseases Osteoarthritis Rheumatic Diseases

Age range

50 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Department of Physical Therapy, National Cheng-Kung University

Tainan, 701, Taiwan

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • The severity of osteoarthritis was defined by the Kellgren-Lawrence system as grade 2 - grade 3

Exclusion criteria

  • Uncontrolled hypertension
  • Malignant tumor
  • Skin cancer
  • Pregnant
  • Dysesthesia
  • Pacemaker inplement
  • Cognitive problem
  • Fall record within 6 months
  • Dysfunction of blood coagulation

Treatment and study plan

low level laser treatment

Device

The intervention protocol includes 2 wavelength as the experimental group, each of the were 808nm, 660nm, and 1 placebo intervention which output total power is only 0.0072W.

Primary outcomes

  1. Changes of muscular strength of thigh measured by handheld dynamometer

    Time frame: Baseline and after treatment, 8 weeks intervention

    Muscular strength of the knee extensor and flexor on both sides and will be normalized by the body weight of participants' (lb/kg)

Secondary outcomes

  1. Changes of walking speed measured by the stop watch

    Time frame: Baseline and after treatment, 8 weeks intervention

    40-m walk test, participants are instructed to walk as fast as they could, investigator records the time they spend. (seconds)

  2. Changes of stair climbing ability measured by the stop watch

    Time frame: Baseline and after treatment, 8 weeks intervention

    stair climbing test, participants are instructed to climb stairs with a total height of 180 cm as fast as they could, investigator records the time they spend. (seconds)

  3. Changes of chair stand ability, the stop watch will be used to measure time and investigators count the time that participants complete

    Time frame: Baseline and after treatment, 8 weeks intervention

    sit-to-stand test, participants are instructed to repeat chair stand movement as fast as they could, investigator records the times they complete. (times)

  4. Changes of dynamic balance ability measured by the stop watch

    Time frame: Baseline and after treatment, 8 weeks intervention

    timed UP&Go test, participants are instructed to stand up from a chair and walk as fast as they could for 3 meters and back to the chair, investigator records the time they spend. (seconds)

Other outcomes

  1. Changes of joint range of motion measured by the goniometer

    Time frame: Baseline and after treatment, 8 weeks intervention

    Joint range of motion of the hip flexion, internal and external rotation, knee flexion, extension on both sides(degrees)

Sponsors and collaborators

Lead sponsor

National Cheng-Kung University Hospital

Other

Registry information

Official study title

The Effects of Low Level Laser Intervention on Muscular Strength for Individuals With Knee Osteoarthritis

Important dates

Study start
2020
Primary completion
2021
Study completion
2021
First posted
Apr 2, 2021
Registry last updated
Jun 22, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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