Magnetotherapy Versus Microwave Combined With Exercise for Knee Osteoarthritis.

Summary

The high prevalence of knee osteoarthritis and the absence of well-defined protocols for the application of Magnetotherapy (MT), makes it necessary to investigate the effect of this therapy on patients with knee osteoarthritis. Furthermore, no studies are comparing the effectiveness of the two interventions proposed in this project (MT) and microwaves (MW), which are routinely applied in clinical practice, without solid scientific evidence to justify their use.

The purpose of the present clinical trial is to compare MT with MW both combined with a therapeutic exercise program in patients with painful knee osteoarthritis and its influence on pain and function.

Conditions

• Knee Osteoarthritis
• Pain

Interventions

DEVICE

Magnetotherapy plus exercise

The VARIMAG-4E magnetotherapy device will be used. It is a pulsed radiofrequency energy device. The device has a voltage of 220V, 4 amps of intensity, 50 Hz of frequency and a maximum power of 100 Gauss. For the active treatment application, the patient will be in supine position and will introduce both knees in the 50 cm coil in case of bilateral knee osteoarthritis. In the case of unilateral knee osteoarthritis, the affected knee will be introduced in the 30cm coil. The duration of the treatment will be 20 minutes, the frequency administered will be 50 Hz and a power of 100 Gauss.

DEVICE

Microwave plus exercise

The application of deep heating therapy will be with the patient in a sitting position. The VARITRON 250-EP microwave device will be used with a frequency of 2450 MHz and a maximum output power of 250W. In the case of unilateral knee osteoarthritis, the circular applicator with a diameter of 170mm will be placed approximately 15 cm from the knee. The duration of the session will be 20 minutes, 10 minutes over the internal face and 10 minutes over the external face of the knee. In the case of bilateral knee osteoarthritis, the large lumbar applicator will be placed approximately 15 cm from the anterosuperior face of both knees for 20 minutes. The patient will have to perceive a moderate heat sensation.

DEVICE

Sham Magnetotherapy plus exercise

The protocol and device will be the same in the active/placebo treatment. The sham device does not emit an electromagnetic field. The energy from the active device is not felt by the user, and the active device cannot be distinguished in any way from the placebo device.

Sponsors & Collaborators

• Centro de Salud Talavera Centro y Centro de Salud La Algodonera.

  collaborator UNKNOWN

• Clínica Radiodiagnóstico Marazuela

  collaborator UNKNOWN

• Empresa Helios Electromedicina S.L.

  collaborator UNKNOWN

• University of Castilla-La Mancha

  lead OTHER

Study Design

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

DOUBLE

Model

PARALLEL

Eligibility

Min Age

45 Years

Max Age

85 Years

Sex

ALL

Healthy Volunteers

No

Timeline & Regulatory

Start

2021-06-10

Primary Completion

2023-01-26

Completion

2023-07-25

Countries

• Spain

Study Locations