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Pain Ther. 2019 Mar 12. doi: 10.1007/s40122-019-0119-z. [Epub ahead of print]

A Pulsed Electromagnetic Field Therapy Device for Non-Specific Low Back Pain: A Pilot Randomized Controlled Trial.

Author information

1
School of Chiropractic, University of Bridgeport, Bridgeport, CT, USA. alisi@bridgeport.edu.
2
Aerotel, Ltd, Tel Aviv, Israel.
3
Sylvan Adams Sports Institute, Tel Aviv University, Tel Aviv, Israel.
4
School of Chiropractic, University of Bridgeport, Bridgeport, CT, USA.

Abstract

INTRODUCTION:

Low back pain (LBP) poses a significant burden of disease worldwide, and identifying safe and effective non-pharmacologic treatment options for LBP is a research priority. The aim of this study was to pilot a clinical trial of a portable pulsed electromagnetic field (PEMF) therapy device for subjects with mixed duration non-specific LBP.

METHODS:

This work was a randomized, double-blind, sham-controlled, parallel-group study conducted at a chiropractic school outpatient clinic. The primary end point was functional capacity measured by the Oswestry Disability Index (ODI) at baseline, 6 weeks, and 12 weeks. Analysis was conducted on the intent-to-treat population and as a trend of change in pain scores over time using the Freidman test of repeated measures.

RESULTS:

Forty-two participants were randomized to receive usual care plus PEMF therapy or usual care plus sham, and 25 completed the study. Significant improvements in ODI scores from baseline to week 6 were reported in the experimental group (χ2 = 14.68, p < 0.001, compared with patients in the sham group, χ2 = 4.00, p = 0.135, n.s.). This difference persisted at week-12 follow-up. Adverse events were rare and mild.

CONCLUSION:

It is feasible to conduct a clinical trial of a PEMF therapy device for non-specific LBP. This work shows that the device was safe and provides preliminary evidence of effectiveness in improving function in patients with non-specific LBP.

TRIAL REGISTRATION:

ClinicalTrials.gov identifier, NCT03053375.

FUNDING:

Aerotel Ltd.

KEYWORDS:

Electromagnetic fields; Low back pain; Pilot randomized controlled trial

PMID:
30868475
DOI:
10.1007/s40122-019-0119-z

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