At a glance
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Optimizing Rehabilitation for Phantom Limb Pain Using Mirror Therapy and Transcranial Direct Current Stimulation (tDCS)
In Brief
A clinical study evaluating transcranial Direct Current Stimulation (tDCS): active (Soterix ©), Mirror Therapy: active, and 2 other interventions for Phantom Limb Pain and Amputation, Traumatic. Active but no longer recruiting, targeting 132 participants across 2 sites in 2 countries.
Detailed Summary
This is a two-site study that explores the effects of mirror therapy and transcranial Direct Current Stimulation (tDCS, Soterix ©) in a randomized factorial controlled trial in which patients will be assigned to one of four groups: active tDCS and active MT; sham tDCS and active MT; active tDCS and sham MT (which consists of using a covered mirror for the therapy); and both sham tDCS and sham MT (covered mirror).
Study Details
Timeline
Interventions
Subjects will undergo tDCS stimulation. For both active and sham stimulation, we will use electrodes of 35cm\^2, at an intensity of 2mA on the primary motor cortex contralateral to the amputated leg. For active tDCS, the subject will undergo stimulation for 20 minutes.
Subjects will be asked to perform movements (15 minutes daily) using the unaffected limb while watching its mirrored reflection superimposed over the affected limb. During Mirror Therapy, subjects will be asked to consciously relate the movement observed in the mirror to their phantom limb and to keep their attention focused on the task. Instructions will be explained verbally, demonstrated by a therapist, and performed by the subject in front of the therapist.
Subjects will undergo tDCS stimulation. For both active and sham stimulation, we will use electrodes of 35cm\^2, at an intensity of 2mA on the primary motor cortex contralateral to the amputated leg. The subject will undergo stimulation for 20 minutes. This is the same parameters as the active one, except the current will be ramped up and then down again (for 30 seconds total) to simulate the feeling of active stimulation.
Subjects will be asked to perform movements (15 minutes daily) using the unaffected limb while watching its mirrored reflection superimposed over the affected limb, only the mirror will be covered. During Mirror Therapy, subjects will be asked to consciously relate the movement observed in the mirror to their phantom limb and to keep their attention focused on the task. Instructions will be explained verbally, demonstrated by a therapist, and performed by the subject in front of the therapist. We will use the same all of these techniques as active Mirror Therapy only the mirror will be covered during all activities.