Shocking away back pain: Drug-Free ER treatment tested
NCT ID NCT07588490
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a small device that sends mild electrical pulses through the skin (TENS) can quickly reduce acute low back pain in people visiting the emergency department. About 222 adults with recent back pain will receive either real TENS or a placebo device for 30 minutes. The goal is to see if TENS offers a safe, drug-free option for pain relief.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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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
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About 222 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- 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 years and older
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * = or \> 18 years old * pain (EN \> 3) related to acute lower back pain in the emergency department. Exclusion Criteria: * Refusal to participate in the study, refusal to sign the informed consent form * Consent cannot be obtained (cognitive impairment, language barrier, etc.) * Patients with lower back pain lasting more than 6 weeks * Taking immediate-release pain medication within the last 6 hours * Taking extended-release pain medication within the last 12 hours * Taking a muscle relaxant within the last 24 hours * Pregnant women * Patients requiring immediate medical attention (life-threatening situation) * Patient already treated with TENS * Patient with a body temperature \> 38°C * Patient with a known spinal infection * Lower back pain related to trauma * Patient with a known systemic rheumatological or spinal disease * Patient with a known systemic inflammatory disease * Patient with a known chronic pain condition such as fibromyalgia * Patient with pain radiating into the lower limb along the path of one of the following nerves (L3-L4-L5-S1)
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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.
Contacts and locations
Locations
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Cliniques Universitaires Saint-Luc
RECRUITINGBrussels, 1200, Belgium
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Other studies related to the condition(s) this trial covers.
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