Mind over shoulder: mental imagery may ease Post-Mastectomy pain
NCT ID NCT07240129
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a technique called graded motor imagery to help women with chronic shoulder pain after mastectomy. The approach uses left/right judgment tasks, imagined movements, and mirror therapy to retrain the brain's perception of the shoulder. Fifty-four women participated, and the researchers measured pain and range of motion before and after six weeks of treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- graded motor imagery (a sequence of mental and mirror exercises)
- What this could lead to
- If it works, this could offer a drug-free way to reduce chronic shoulder pain and improve arm movement after mastectomy.
- What could go wrong
- This is a small, completed trial with only 54 participants, so results may not apply to everyone. The exercises require active participation and may not help all types of shoulder problems.
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
-
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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54 people
The number who actually took part.
- Started
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Jun 2025
- Finished
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Jan 2026
- 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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35 to 55 years
- Sex
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Female participants only
- 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: * Age range of 35 to 55 years. * All patients are post-mastectomized unilaterally. * Female patients only. * Patients have shoulder ROM restriction. * Patients have shoulder pain more than 3 months (chronic). Exclusion Criteria: * Having double mastectomy. * Psychopathological disorders. * Having other orthopedic problems (e.g. tendinitis, dislocation, osteoarthritis, referred pain to shoulder). * Motor problems (e.g. tremor, dyskinesia). * Metastasis. * Visual impairment such that they could not read unaided or with their reading glasses. * Having previously received GMI treatment. * Diabetes mellitus. * Having neurological problems as hemiplegia. * Patients with lymphedema
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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
-
Cairo University
Giza, Egypt
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