TENS device shows promise for fibromyalgia pain relief in major trial
NCT ID NCT04683042
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether adding a TENS device (which uses mild electrical pulses) to regular physical therapy helps reduce pain during movement in people with fibromyalgia. Over 450 adults with fibromyalgia took part. Researchers measured pain levels and other symptoms to see if the combination approach works better than physical therapy alone.
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
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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459 people
The number who actually took part.
- Started
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Jan 2021
- Finished
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Mar 2025
- Lead sponsor
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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
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18 to 99 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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. Age 18 until 99. 2. Clinician diagnosis of FM 3. Referred for land-based PT 4. Referred for treatment for FM or chronic pain (pain lasting more than 3 months) 5. Able to provide informed consent. 6. Fluent in reading English 7. Willing to use TENS Exclusion Criteria: 1. Contraindications to TENS use including: 1. Pacemaker, defibrillator, implanted neurostimulator or implanted device 2. Epilepsy 3. Currently pregnant or plan to become pregnant in the next 6 months 4. Allergic reaction to patches with gel 5. Current treatment for cancer 2. Currently enrolled in another pain control study 3. Use of TENS within the last 30 days 4. Clinically unstable medical or psychiatric issues
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Advanced Physical Therapy Sport Medicine
Appleton, Wisconsin, 54913, United States
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Big Stone Therapies (BST)
Big Stone City, South Dakota, 57216, United States
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Genesis Physical Therapy
Davenport, Iowa, 52807, United States
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Kepros Physical Therapy and Performance
Cedar Rapids, Iowa, 52404, United States
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Rock Valley Physical Therapy
Moline, Illinois, 61265, United States
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University of Illinois at Chicago
Chicago, Illinois, 60607, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can qigong loosen the grip of fibromyalgia? trial tests two styles
- Can a light bulb dial down chronic pain?
- Can a Hands-On nerve technique ease Fibromyalgia's grip?
- Why some days hurt more: charting Fibromyalgia's daily swings
- Zapping the vagus nerve: a new hope for fibromyalgia pain?