New combo therapy aims to quiet phantom limb pain
NCT ID NCT02487966
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether combining mirror therapy with a gentle brain stimulation technique (tDCS) can reduce phantom limb pain in people with leg amputations. 132 adults with chronic pain will be assigned to different treatment groups to see which approach works best. The goal is to find a better way to manage this common and distressing condition.
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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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132 people
The number who actually took part.
- Start date
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Jul 2015
- 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: 1. Able to provide informed consent to participate in the study. 2. Subject is older than 18 years. 3. Unilateral lower limb amputation. 4. Traumatic amputation greater than 1 year ago. 5. Chronic PLP for at least 3 months previous to enrollment in the study, experienced regularly for at least once a week. 6. Average pain of at least 4 on a numeric rating scale in the previous week (NRS; ranging from 0 to 10). 7. If the subject is taking any medications, dosages must be stable for at least 2 weeks prior to the enrollment of the study. Exclusion Criteria: 1. Pregnancy or trying to become pregnant in the next 2 months. 2. History of alcohol or drug abuse within the past 6 months as self-reported. 3. Presence of the following contraindication to transcranial direct current stimulation and transcranial magnetic stimulation * Ferromagnetic metal in the head (e.g., plates or pins, bullets, shrapnel) * Implanted neck or head electronic medical devices (e.g., cochlear implants, vagus nerve stimulator) 4. History of chronic pain previous to the amputation. 5. Head injury resulting in loss of consciousness for at least 30 min or pos-traumatic amnesia for greater than 24 hours, as self-reported 6. Unstable medical conditions (e.g. uncontrolled diabetes, uncompensated cardiac issues, heart failure or chronic obstructive pulmonary disease). 7. Uncontrolled Epilepsy or prior seizures within the last 1 year. 8. Suffering from severe depression (as defined by a score of \>30 in the Beck Depression Inventory).\* 9. History of unexplained fainting spells or loss of consciousness as self-reported during the last 2 years. 10. History of neurosurgery, as self-reported. 11. Mirror Therapy in the previous 3 months
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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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IMREA HCFMUSP - Rede Lucy Montoro
São Paulo, 04116-030, Brazil
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Spaulding Rehabilitation Network Research Institute
Charlestown, Massachusetts, 02129, United States
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Other studies related to the condition(s) this trial covers.
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