The EVIDENCE trial is a randomized controlled trial comparing the therapeutic effectiveness and cost-effectiveness of the Precision® Spinal Cord Stimulation with that of reoperation as a treatment of pain in patients with Failed Back Surgery Syndrome (FBSS). FBSS is defined as persistent or recurrent pain following one or more lumbosacral spine surgical procedures. Surgical procedures that can result in FBSS can be categorized as either decompression or decompression followed by fusion with or without instrumentation. The pain of FBSS is categorized as neuropathic, which involves pathological nerve activity and is commonly characterized by patients as shooting or burning and/or nociceptive, which signals actual or impending tissue damage or inflammation.
The co-primary study endpoints are proportion of subjects with ≥50% leg pain relief without crossover at 6 and at 24 months.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
28
Programming settings will be specific to the individual needs in accordance with the labeling
Different types of back surgery may be performed
Scripps Clinic
La Jolla, California, United States
University of California San Diego
La Jolla, California, United States
Orthopedic Research Foundation
Savannah, Georgia, United States
Millenium Pain Center
Bloomington, Illinois, United States
Northwestern Memorial Hospital
Chicago, Illinois, United States
The University of Illinois Medical Center
Chicago, Illinois, United States
Sinai Hospital of Baltimore
Baltimore, Maryland, United States
St. Patrick Hospital
Missoula, Montana, United States
The Center for Clinical Research, LLC
Winston-Salem, North Carolina, United States
Geisinger Medical Center
Danville, Pennsylvania, United States
...and 8 more locations
Proportion of Subjects Showing ≥50% Self-reported Leg Pain Relief From Baseline Without Request for Crossover to the Other Treatment
Time frame: 3, 6- and 12- months post-index procedure
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