Use of Hand Prosthesis With Direct Nerve Stimulation for Treatment of Phantom Limb Pain (EPIONE)
Phantom Limb Pain
About this trial
This is an interventional treatment trial for Phantom Limb Pain focused on measuring Neuroplasticity, Sensory Feedback, Nerve stimulation, Robotic Hand
Eligibility Criteria
Inclusion Criteria:
- Unilateral transradial amputation.
- Amputation should be in the chronic, stable phase, such that the stump has healed and the person apart from eventual phantom pain (PLP) is healthy and able to carry out experiments.
- Other treatments for PLP tried with poor results.
- Patient accepts the study protocol as explained by the physician.
- The subject experienced intractable PLP of more than 6 on NRS or VAS (0-10 scale). The frequency of PLP episodes presents more than once a week.
Exclusion Criteria:
- Cognitive impairment
- Current or prior psychological impairments: Major personality disturbance (i.e. borderline, antisocial), Major depression, Bipolar I.
- Pregnancy
- History of or active substance abuse disorder
- Acquired brain injury with residual impairment
- Intellectual Disability (IQ < 70)
- Prior neurological or musculoskeletal disease
- Current or prior dermatological conditions
- Excessive sensitivity to electrical stimulation with surface electrodes. People afraid of electrical stimulation or pain.
- People with other diseases which may affect the function of the nervous system. (Diabetes, HIV, Renal Failure)
- Patients implanted with pacemakers
Sites / Locations
- University of Lausanne Hospital CHUV
Arms of the Study
Arm 1
Experimental
Operation of hand prosthesis with direct nerve stimulation
A system composed by the integration of the following non-CE marked medical devices specifically designed for the study will be used in one or two amputees: STIMEP (multichannel electrical stimulator for the peripheral nervous system; AXONIC) TIME-4H Intraneural Electrodes (ALBERT-LUDWIGS-UNIVERSITAET FREIBURG) Sensorized Hand Prosthetics for amputees IH2 Prosthetic Azurra Prensilia (Prensilia Ltd.) Prosthetics sensorized hand for amputees DLR/HIT Hand II (Wessling Robotics) ODROID software integration within the afferent and efferent bi-directional control of the robotic hand The EPIONE Psychophysical Testing Platform software for stimulator control