Just thinking about pain alters brain activity, study finds
NCT ID NCT07407595
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study looks at how the mere expectation of pain—without any actual pain—affects the brain's ability to send signals to muscles. Forty-four healthy adults will receive an inert cream and be told either that it may cause pain or that it is inactive. Researchers will measure brain-to-muscle communication using a non-invasive technique called transcranial magnetic stimulation (TMS). The goal is to understand how pain-related expectations influence brain function, which could help prevent movement problems in people with chronic pain.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this research could point toward better ways to prevent movement problems linked to chronic pain by understanding how expectations affect the brain.
- What could go wrong
- This is a small, early-stage study in healthy adults, not patients. It measures brain activity, not a treatment, so direct benefits are far off.
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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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 44 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2026
- Expected to finish
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Jul 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 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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: * Adults aged 18 to 65 years. * No current pain at the time of inclusion and no pain episode or injury associated with pain within the past 3 months. * Ability to understand spoken and written French sufficient to follow study procedures. * Written informed consent obtained prior to participation. * Subjects affiliated with or receiving social security benefits Exclusion Criteria: * History of psychiatric disorders (including intellectual disability or severe cognitive, behavioral, or affective impairment) that could interfere with understanding the study or providing informed consent. * History of neurological disorders, including epilepsy, stroke, brain or spinal cord surgery, or any neurological disease affecting motor or sensory function. Inability to provide informed consent (e.g., dementia, significant hearing impairment, insufficient language proficiency). * Any pain condition within the past 3 months, regardless of origin. * Recent musculoskeletal injury or surgery within the past 3 months. * Contraindications to transcranial magnetic stimulation (TMS), including a history of epilepsy or the presence of intracranial metallic objects, cochlear implants, or other non-removable metallic implants in or near the head. * Use of analgesic or psychotropic medications. * Individuals under legal guardianship or curatorship. * Pregnant or breastfeeding women. * Presence of a cardiac pacemaker or other implanted electronic medical device. * Known allergy or history of skin reaction to any component of the inert cream used in the study (Medicafarm® Neutre Premium Longue Glisse).
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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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Eurasport
Loos, Nord, 59120, France
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