Effect of Phototherapy Incorporated Into an Exercise Program on Osteoarthritis of the Knee

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT02102347

Enrollment

Registered

2014-04-02

Start date

2014-04-30

Completion date

2015-10-31

Last updated

2015-12-03

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

Conditions

Osteoarthritis of the Knee

Keywords

Physical Therapy Modalities, osteoarthritis

Brief summary

The aim of the proposed study is to analyze the effect of the incorporation of phototherapy into a therapeutic exercise program on pain, functional capacity, range of motion, muscle strength in individuals with osteoarthritis of the knees. The participants will be allocated to different groups through a randomization process using opaque envelopes containing cards stipulating one of the three following groups: Group A (exercise protocol); Group B (exercise protocol + phototherapy protocol); and Group C (exercise protocol + placebo phototherapy protocol). Phototherapy will be performed on the knees diagnosed with osteoarthritis.

Interventions

OTHERexercise

OTHERPhototherapy

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

40 Years to 80 Years

Healthy volunteers

Inclusion criteria

* Diagnosis of osteoarthritis of the knee (unilateral) according to criteria of the American College of Rheumatology * age between 40 and 80 years * either gender * knee pain and functional disability for at least six months confirmed by historical medical.

Exclusion criteria

* Dementia * neurological disorder (sensory or motor) * cancer * diabetes * acute adverse health condition * symptoms of osteoarthritis of the hip * cardiopulmonary disease that impedes walking * need for wheelchair or gait-assistance device * and having received steroids through intra-articular injection or orally in the previous six months

Design outcomes

Primary

Measure	Time frame	Description
physical function	9 months	Using the Western Ontario and McMaster Universities Arthritis Index

Secondary

Measure	Time frame	Description
Maximum voluntary isometric contraction	9 months	A portable dynamometer will be used to assess muscle contraction.

Other

Measure	Time frame	Description
pain	9 months	Numeric pain rating scale
trunk stability	9 months	Functional reach test
Timed up-and-go test	9 months	dynamic equilibrium
level of pressure pain	9 months	threshold digital algometer
lower limb functionality	9 months	Using Extremity Functional Scale

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 20, 2026