Could a small electrical device cut painkiller use after hip surgery?
NCT ID NCT05939804
First seen Sep 15, 2026 · Last updated Sep 16, 2026 · Updated 1 time
Summary
Researchers are studying whether TENS, a device that sends mild electrical pulses through the skin, can lower pain and reduce the need for painkillers after total hip replacement. The trial enrolls 60 adults who have had hip replacement surgery and do not have a pacemaker, heart rhythm problems, or a history of chronic pain or substance abuse. On the first two days after surgery, participants in the treatment group receive TENS, and researchers measure their pain at rest and during movement along with how much pain medicine they use.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- TENS, a device that delivers mild electrical pulses through the skin to nerves
- What this could lead to
- If TENS helps, nurses could offer a simple, drug-free way to ease pain after hip replacement and cut how much painkiller patients need.
- What could go wrong
- This is a small, single-center study of 60 people, so the results may not hold for everyone. TENS does not work for all patients, and it cannot be used by people with a pacemaker or certain heart rhythms.
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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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60 people
The number who actually took part.
- Started
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May 2024
- Finished
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Dec 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 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.
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: * be over 18 years old * hip replacement insertion * not have a pacemaker or arrhythmia * no history of pain, alcohol use or substance abuse * no history of pain, alcohol use or substance abuse * no history of pain, alcohol use or substance abuse * no history of psychiatric illness * no history of metastatic disease * being conscious, able to speak * No barriers to the application of TENS; no postoperative complications * being I, II and III in the ASA classification of the American Society of Anesthesiology, agreeing to participate in the study. Exclusion Criteria: * having a history of epilepsy * Using analgesics at least 1 hour before TENS is applied * the presence of a wound in the area where the electrode will be placed.
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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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Cukurova University
Adana, Adana, Turkey (Türkiye)
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