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The purpose of this project is to further investigate the use of Virtual Mirror therapy for alleviating symptoms of chronic phantom limb pain. This initial pilot study will inform a fully powered randomized control trial which will include both upper and lower extremity amputees
Ten unilateral upper extremity amputees suffering from chronic phantom limb pain > 1 yr will be recruited from a hospital based outpatient Physical Medicine and Rehabilitation Amputee Clinic. There will be no control group and all 10 subjects will be offered the use of a Virtual Reality headset therapy game (developed in Unreal Engine using Oculus Quest 2 SDK). Fiducial markers will be placed on the residual limb for tracking via front facing cameras on the Oculus Quest 2 and the sound limb movements will be duplicated (flipped for chirality) and mapped onto the residual limb to provide the appearance of their residual limb. The software will direct the subjects through a series of guided movements, stretches, and visualization exercises which last a total of 15 minutes. Afterwards the subjects will be given 5 minutes of unstructured time in the program to perform any of exercises or movements they desire in order to attempt to relieve their phantom limb pain. Subjects will aim for 1 session per week for a total of 6 weeks. Subjects will rate their phantom limb pain symptoms on the Numeric Rating Scale (NRS) prior to and after each session. Prior to the first session as well as at 6 weeks and 12 weeks subjects will rate their phantom limb pain symptoms on the Pain Disability
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Unilateral upper extremity amputees | Experimental | Unilateral upper extremity amputees suffering from chronic phantom limb pain > 1 yr will be recruited from a hospital based outpatient Physical Medicine and Rehabilitation Amputee Clinic at UAB. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Virtual Mirror Therapy | Other | Subjects will be offered the use of a Virtual Reality headset therapy game. Fiducial markers will be placed on the residual limb for tracking via front facing cameras on the Oculus Quest 2 and the sound limb movements will be duplicated (flipped for chirality) and mapped onto the residual limb to provide the appearance of their residual limb. The software will direct the subjects through a series of guided movements, stretches, and visualization exercises which last a total of 15 minutes. Afterwards the subjects will be given 5 minutes of unstructured time in the program to perform any of exercises or movements they desire in order to attempt to relieve their phantom limb pain. |
| Measure | Description | Time Frame |
|---|---|---|
| Baseline Numeric Rating Scale of Chronic Phantom Limb Pain | Subjects will rate their phantom limb pain symptoms on the Numeric Rating Scale (NRS) at Baseline to use as comparison to each study session. If pain is intermittent or constant will be noted and if episodic/intermittent a frequency for how often the pain occurs will be obtained as well. | Baseline (Week 0) |
| Change from Baseline Numeric Rating Scale at Session1 | Subjects will rate their phantom limb pain symptoms on the Numeric Rating Scale (NRS) prior to and after each session. If pain is intermittent or constant will be noted and if episodic/intermittent a frequency for how often the pain occurs will be obtained as well as if the pain is improved, unchanged, or worsened compared to baseline (prior to study). | Week 1 - Week 52 |
| Change from Baseline Numeric Rating Scale at Session 2 | Subjects will rate their phantom limb pain symptoms on the Numeric Rating Scale (NRS) prior to and after each session. If pain is intermittent or constant will be noted and if episodic/intermittent a frequency for how often the pain occurs will be obtained as well as if the pain is improved, unchanged, or worsened compared to baseline (prior to study). | Week 2 - Week 52 |
| Change from Baseline Numeric Rating Scale at Session 3 | Subjects will rate their phantom limb pain symptoms on the Numeric Rating Scale (NRS) prior to and after each session. If pain is intermittent or constant will be noted and if episodic/intermittent a frequency for how often the pain occurs will be obtained as well as if the pain is improved, unchanged, or worsened compared to baseline (prior to study). | Week 3 - Week 52 |
| Change from Baseline Numeric Rating Scale at Session 4 | Subjects will rate their phantom limb pain symptoms on the Numeric Rating Scale (NRS) prior to and after each session. If pain is intermittent or constant will be noted and if episodic/intermittent a frequency for how often the pain occurs will be obtained as well as if the pain is improved, unchanged, or worsened compared to baseline (prior to study). |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Quality from Baseline Chronic Phantom Limb Pain at Session1 | Free-text section where participants can further describe any changes regarding their pain (change in quality etc). | Week 1 - Week 52 |
| Change in Quality from Baseline Chronic Phantom Limb Pain at Session 2 |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Conley Carr, MD | The University of Alabama at Birmingham | Principal Investigator |
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| ID | Term |
|---|---|
| D010591 | Phantom Limb |
| ID | Term |
|---|---|
| D010468 | Perceptual Disorders |
| D019954 | Neurobehavioral Manifestations |
| D009461 | Neurologic Manifestations |
| D009422 | Nervous System Diseases |
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|
| Week 4 - Week 52 |
| Change from Baseline Numeric Rating Scale at Session 5 | Subjects will rate their phantom limb pain symptoms on the Numeric Rating Scale (NRS) prior to and after each session. If pain is intermittent or constant will be noted and if episodic/intermittent a frequency for how often the pain occurs will be obtained as well as if the pain is improved, unchanged, or worsened compared to baseline (prior to study). | Week 5 - Week 52 |
| Change from Baseline Numeric Rating Scale at Session 6 | Subjects will rate their phantom limb pain symptoms on the Numeric Rating Scale (NRS) prior to and after each session. If pain is intermittent or constant will be noted and if episodic/intermittent a frequency for how often the pain occurs will be obtained as well as if the pain is improved, unchanged, or worsened compared to baseline (prior to study). | Week 6 - Week 52 |
| Baseline Pain Disability Questionnaire of Chronic Phantom Limb Pain | Prior to the first session as well as at 6 weeks and 12 weeks subjects will rate their phantom limb pain symptoms on the Pain Disability Questionnaire (PDQ). | Baseline (Week 0) |
| Change from Baseline Pain Disability Questionnaire at Week 6 | Prior to the first session as well as at 6 weeks and 12 weeks subjects will rate their phantom limb pain symptoms on the Pain Disability Questionnaire (PDQ). | 6 weeks after final session (Session 6) |
| Change from Baseline Pain Disability Questionnaire at Week 12 | Prior to the first session as well as at 6 weeks and 12 weeks subjects will rate their phantom limb pain symptoms on the Pain Disability Questionnaire (PDQ). | 12 weeks after final session (Session 6) |
Free-text section where participants can further describe any changes regarding their pain (change in quality etc). |
| Week 2 - Week 52 |
| Change in Quality from Baseline Chronic Phantom Limb Pain at Session 3 | Free-text section where participants can further describe any changes regarding their pain (change in quality etc). | Week 3 - Week 52 |
| Change in Quality from Baseline Chronic Phantom Limb Pain at Session 4 | Free-text section where participants can further describe any changes regarding their pain (change in quality etc). | Week 4 - Week 52 |
| Change in Quality from Baseline Chronic Phantom Limb Pain at Session 5 | Free-text section where participants can further describe any changes regarding their pain (change in quality etc). | Week 5 - Week 52 |
| Change in Quality from Baseline Chronic Phantom Limb Pain at Session 6 | Free-text section where participants can further describe any changes regarding their pain (change in quality etc). | Week 6 - Week 52 |
| Impressions of change from Baseline Chronic Phantom Limb Pain at Session 6 | At the end of 6 sessions of Virtual Mirror Therapy subjects will be given the opportunity to submit opinions/comments regarding their impressions of the sessions. | Week 6 - Week 52 |
| D010149 | Pain, Postoperative |
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D012816 | Signs and Symptoms |
| D010146 | Pain |