Overview
- Phase
- N/A
- Intervention
- Not specified
- Conditions
- Failed Back Surgery Syndrome
- Sponsor
- MedtronicNeuro
- Primary Endpoint
- Numeric Pain Rating Scale - Leg pain
- Status
- Withdrawn
- Last Updated
- 10 years ago
Overview
Brief Summary
The purpose of this study is to evaluate the effect of different spinal cord stimulation settings in the treatment of leg pain. Subjects will receive a randomized order of four different programmed stimulation settings for 3 weeks each followed by a fifth and final setting.
Investigators
Eligibility Criteria
Inclusion Criteria
- •At least 22 years of age or older at the time of informed consent
- •Implanted with a Medtronic RestoreSensor or RestoreUltra SCS system for an on-label indication at least 6 months for the treatment of chronic leg pain, with or without back pain
- •Implanted with one or more Medtronic leads located in the epidural space within the thoracic area
- •Receiving some level of pain relief with current SCS therapy
- •On a stable dose (no new, discontinued or changes in) of all prescription pain medications and willing to maintain or only decrease the dose of all prescribed pain medications
- •Read and understand English without assistance
- •Willing and able to comply with all study procedures, study visits, and be available for the duration of the study
Exclusion Criteria
- •Diagnosed with complex regional pain syndrome (CRPS), peripheral causalgia, or reflex sympathetic dystrophy (RSD), or causalgia
- •Has leg, knee, or foot pain unrelated to on-label indication for SCS therapy (for eg, arthritis, knee surgery, etc.)
- •Implanted with both a surgical and percutaneous lead
- •Implanted with a peripheral lead for subcutaneous or peripheral nerve stimulation
- •Has had any of the following procedures:
- •Neuroablative procedure within six months
- •Neurolytic block within two months
- •Injection therapy for pain within four weeks
- •Sympathetic block within two weeks
- •Has an active implanted device (besides RestoreUltra or RestoreSensor neurostimulator), whether turned ON or OFF
Outcomes
Primary Outcomes
Numeric Pain Rating Scale - Leg pain
Time Frame: 12 weeks
Secondary Outcomes
- Brief Pain Inventory - Pain severity(12 weeks)
- Brief Pain Inventory - Pain interference(12 weeks)
- Quantitative Sensory Testing - Vibration threshold(12 weeks)
- Quantitative Sensory Testing - Electrical stimuli tolerance(12 weeks)
- Numeric Pain Rating Scale - Back pain(12 weeks)
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