Using Pulsed Electromagnetic Field Therapy to Improve Muscle Strength in Knee Osteoarthritis Patients

The Effectiveness of Pulsed Electromagnetic Field Therapy on Muscle Strength and Function in Patients With End-stage of Knee Osteoarthritis Patients: a Randomized Controlled Trial

Not applicable Interventional Chinese University of Hong Kong · NCT06196567

This study is testing if combining Pulsed Electromagnetic Field therapy with exercise can help people with severe knee osteoarthritis build muscle strength before they have knee replacement surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment43 (estimated)
Ages50 Years to 100 Years
SexAll
SponsorChinese University of Hong Kong Academic / other
Locations1 site (Hong Kong, NEW Territories)
Trial IDNCT06196567 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of Pulsed Electromagnetic Field (PEMF) therapy combined with exercise on muscle strength and function in patients suffering from end-stage knee osteoarthritis who are awaiting total knee replacement (TKR). Given the long waiting times for surgery in Hong Kong, the study aims to enhance preoperative knee-extensor strength, potentially delaying the need for surgery and improving post-operative outcomes. Participants will undergo PEMF therapy alongside regular exercise training to promote muscle regeneration and alleviate pain. The study is crucial for addressing the significant disability and quality of life issues faced by this aging population.

Who should consider this trial

Good fit: Ideal candidates are males and females over 50 years old with end-stage knee osteoarthritis who are scheduled for total knee replacement.

Not a fit: Patients with connective tissue disorders, previous joint replacements, or acute immobility may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly improve muscle strength and functional ability in patients awaiting knee replacement, enhancing their quality of life.

How similar studies have performed: While PEMF therapy has been explored in other contexts, this specific application for end-stage knee osteoarthritis is relatively novel and untested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Male and female patients end-stage knee OA over 50 waiting for TKR
* Patient has been scheduled for TKR at Prince of Wales Hospital
* Able to comply with the assessments and has given oral and written consent

Exclusion Criteria:

* Patients with connective tissue disorders or myositis condition
* History of any Hip \& Knee joint replacement
* Patients with acute immobility (i.e., post hip fracture or post-acute hospital admission)
* Previous cases of any substances abuse
* Patients already had TKR for one knee before
* Patients are unable to transport themselves for intervention
* Patients have any neuromuscular or neurodegenerative conditions
* Patients have the history of inflammatory arthritis

Where this trial is running

Hong Kong, NEW Territories

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Knee OsteoarthritisPEMFKnee muscle strengthtotal knee replacementknee pain and function
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.