Neuropathy;Peripheral Clinical Trial
Official title:
Investigating Mechanisms Underlying Spinal Cord Stimulation Efficacy Using Virtual Reality and Full Body Illusion
NCT number | NCT02970006 |
Other study ID # | 2016H0202 |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | October 2016 |
Est. completion date | November 2019 |
Verified date | August 2021 |
Source | Ohio State University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The study hypothesis is that spinal cord stimulation (SCS) combined with virtual leg illumination (provided through a wearable headset (OculusRift, OculusVR, Irvine, CA) and a custom-designed virtual reality leg scenario) will lead to controlled analgesia induction, boosting analgesic effects obtained with standard SCS treatments and will further be associated with changes in the perception of the affected body part.
Status | Completed |
Enrollment | 15 |
Est. completion date | November 2019 |
Est. primary completion date | October 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. Age 18-and older at the time of enrollment 2. Patients carrying a diagnosis of CPRS type 125 or chronic refractory neuropathic leg pain following FBS4 3. Patients who have implanted epidural SCS 4. The SCS implantation for at least three months prior to enrollment 5. Patients with efficacious SCS as defined by = 50% pain improvement after switching SCS from an OFF state to an ON state ('optimal' stimulation efficacy) 6. Patients willing and able to provide informed consent Exclusion Criteria: 1. Patients who are unable to effectively or efficiently communicate for example patients suffering from speech deficits (dysarthria, aphasia) or are non-English speaking. 2. Patients with history of prior cranial surgery, significant brain lesions for example intracranial tumors, strokes etc. 3. Non efficacious response to SCS <50% pain improvement with optimal stimulation parameters 4. Evidence of untreated psychiatric disorders or drugs/alcohol abuse. 5. History of seizures |
Country | Name | City | State |
---|---|---|---|
United States | The Ohio Sate University | Columbus | Ohio |
Lead Sponsor | Collaborator |
---|---|
Ohio State University | Swiss Federal Institute of Technology |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Average Pain Reduction Post Intervention | 10 point Visual Analog pain rating Scale. Subjective pain perception will be measured by pain ratings on a 10cm visual continuous analog scale (VAS). Patients rate their pain, ranging from "no pain" (bottom part of the scale) to "the worst imaginable pain" (upper part of the scale) (Huskisson 1974). The pain reduction will be an average total of the pain scores taken at hours 1, 2, 3, 4, and 5. | At each hour from 1-5 hours post intervention | |
Secondary | Pain Reduction Base on Patient Perception | Validated questionnaires developed by the collaborators (Swiss Federal Institute of Technology) will be used in order to investigate induced changes in leg perception and ownership. In particular, we will assess: 1) feeling of ownership towards the leg shown in the virtual reality set-up (leg ownership); 2) tactile sensations felt on the virtual legs, depending on the different conditions of SCS and visual stimulation. Patients will be asked to indicate how much they agreed with each item using a 7-point colored vertical Likert scale ranging from 0 (complete disagreement, the bottom extreme, red point) to +6 (complete agreement, the top extreme, green point). | per minute in each virtual reality condition for 10 minutes in each reality condition. |
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