PEMF Clinical Trials

Chronic lower back pain

J Int. Med Res. 2006 Mar-Apr;34(2):160-7

This clinical trial studied the effectiveness of pulsed electromagnetic field (PEMF) therapy in patients with chronic lower back pain. Active PEMF therapy or placebo treatment was performed thrice a week, for 3 weeks.
Results: PEMF therapy resulted in “significant pain reduction” and the disability percentage was “significantly improved”.


Clin J Pain. 2009 Oct;25(8):722-8

Clinical effectiveness of low-frequency PEMF therapy for women with fibromyalgia was tested. PEMF therapy was performed for 30 minutes, twice a day for 3 weeks.
Results: After 3 weeks, the patients from both the PEMF group and the placebo group showed improvements in the visual analogue scale (VAS), Beck Depression Inventory (BDI) and Short-Form 36 (SF-36). However, only patients from the PEMF group showed improvement in the Fibromyalgia Impact Questionnaire (FIQ). After an additional 9 weeks, the PEMF group displayed “significant improvements” in pain compared to the placebo group.

Multiple sclerosis

Altern Ther Health Med. 2003 Jul-Aug;9(4):38-48

This study looked into the impacts of PEMF on multiple sclerosis fatigue, spasticity, bladder control and quality of life. PEMF treatment was carried out for 4 weeks.
Results: The MS Quality of Life Inventory (MSQLI) was used to assess the areas investigated. Though there were mixed results in spasticity, improvements in fatigue and overall quality of life were “significantly greater” for patients treated with PEMF.

Cervical osteoarthritis

Rheumatol Int. 2006 Feb;26(4):320-4

The study evaluated the effect of PEMF therapy on pain, range of motion (ROM) and functional status of patients with cervical osteoarthritis. PEMF treatment was applied on patients for 30 minutes, twice a day, for 3 weeks.
Results: Neck pain and disability scores decreased drastically, while ROM increased, indicating “promising” results of PEMF therapy.

Arthroscopic knee surgery

Knee Surg Sports Traumatol Arthrosc. 2007 Jul;15(7):830-4

Effects of PEMF therapy on patients’ recovery after an arthroscopic knee surgery were investigated. Patients received PEMF 6 hours per day, for 90 days.
Results: The PEMF group not only showed notable improvement, but also required less frequent usage of non-steroidal anti-inflammatory drugs (NSAIDs) to control pain. At the 3-year follow-up, it was discovered that the number of patients in the PEMF group who completely recovered was higher than in the placebo group.


Inter-body lumbar fusions

Spine (Phila Pa 1976). 1990 Jul;15(7):709-12

The trial tested the efficacy of PEMF for inter-body lumbar fusions. A brace containing equipment to induce PEMF was applied to patients undergoing inter-body fusion in the PEMF group, while a sham brace was used in the placebo group.
Results: The PEMF group displayed 92% success rate, while the placebo group displayed 65% success rate.

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