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Can magnetic pulses ease knee arthritis pain?

NCT ID NCT07443462

Symptom relief Sponsor: The Hong Kong Polytechnic University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study tests whether pulsed electromagnetic field (PEMF) therapy can reduce pain and improve function in people with inflammatory knee osteoarthritis. Fifty participants will receive either active PEMF or a sham treatment twice a week for 8 weeks. The study measures pain, stiffness, quality of life, and knee changes on MRI.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Pulsed Electromagnetic Field (PEMF) Therapy
What this could lead to
If it works, this could point toward a non-drug way to ease knee pain and improve function for people with inflammatory knee osteoarthritis.
What could go wrong
This is a small, early pilot study with only 50 people. It may not show clear benefits, and results might not apply to all types of knee osteoarthritis.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 50 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Feb 2026

An estimate. Start dates often move.

Expected to finish

Dec 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

55 to 80 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Knee visual analogue scale (VAS) pain of \<40 mm (0-100 mm) 2. Effusion-synovitis or Hoffa synovitis MRI semi-quantitative score of ≥2 (used to determine inflammatory subtype KOA); 3. Kellgren-Lawrence (KL) grade II and III 4. Patients can listen, speak, read, and understand Chinese; understand the pilot study's requirements and are willing to cooperate with the investigator in conducting the pilot study 5. Willing and able to provide written informed consent Exclusion Criteria: 1. Other inflammatory arthritis (e.g., gout, reactive arthritis, rheumatoid arthritis, psoriatic arthritis, and seronegative spondyloarthropathy) and systemic lupus erythematosus. 2. Participants with usual KOA interventions/ treatments 3. History of knee trauma 4. Contraindications to MRI 5. Administration of intra-articular, intramuscular, and oral glucocorticoids within the last 4 6. Pregnancy and lactation

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Conditions

The condition(s) this trial relates to.

osteoarthritis, knee

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Knee osteoarthritis (knee oa)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

Other studies related to the condition(s) this trial covers.