Sacroiliac Joint Pain Clinical Trial
Official title:
A Prospective, Multi-center, Randomized, Assessor Blind, Controlled Study Comparing Lateral Branch Cooled Radiofrequency Denervation to Conservative Therapy as Treatment for Sacroiliac Joint Pain in a Military and Civilian Population
This is a prospective, randomized, controlled, multi-center clinical study. Approximately 208 subjects will be enrolled at approximately 12-15 active duty military, veterans' care, and civilian sites. Eligible subjects will be randomized in 1:1 ratio to receive either Sacroiliac denervation using CRF (treatment group) or standard medical management ("SMM," control group).
This study will be a 12-month prospective, randomized, controlled, prospective, open-label, multi-center clinical study. Adult subjects over the age of 21 with diagnosed chronic intractable sacroiliac joint pain (≥ 3 months), who have been previously unresponsive to conservative therapy and who meet the selection criteria are eligible to participate in this study. Approximately 208 subjects will be enrolled at up to 15 sites in a 1:1 randomization ratio to receive either denervation using the SInergy System (cooled radiofrequency (CRF), treatment group) or standard medical management (SMM, control group). Follow-up will be conducted for a total of 12 months post-Coolief (cooled radiofrequency ablation) procedure, with the primary endpoint being completed at month 3. The control arm will utilize physician prescribed standard medical management (SMM). For this protocol, this includes, but is not limited to, medications, physical therapy, lifestyle changes, acupuncture, yoga, chiropractic, and therapeutic injections. An optional crossover-to-treatment design was adopted for subjects randomized to standard medical management after their 3-month visit, because it would be considered unethical to withhold treatment that could potentially offer pain relief to those subjects undergoing standard medical management who continue to suffer from pain. Eligibility includes BOTH of the following: - 50% pain relief lasting for the expected duration of anesthetic or medication from a therapeutic or diagnostic sacroiliac joint injection; AND - 50% pain relief lasting for the expected duration of anesthetic from a standardized set of lateral branch blocks, with total volume of no more than 1 milliliter (ml) of 0.5% Bupivacaine, Ropivacaine (or similar). Ideally, 0.5 ml will be utilized at L5 and the remaining 0.5 ml should be divided in at least two locations along the foramen line After the CRF treatment, the CRF treatment group subjects will visit the blinded assessor for follow up at 1, 3, 6, 9, and 12 months. At the month 3 visit (three months post-randomization), subjects initially randomized to the conservative therapy group will be assessed to determine eligibility to receive CRF treatment. - If the conservative treatment subjects fail conservative therapy at 3 months (defined as failure to obtain a 2-point decrease in average pain score from baseline AND failure to obtain a rating of at least 5 on the Patient Global Impression of Change (PGIC) scale), they will be given the option of receiving CRF treatment. - Subjects who choose to cross-over will ideally receive treatment within 30 days of their 3-month visit but they must receive treatment within 90 days of their 3-month visit. They will then be followed-up at 1, 3, 6, 9, and 12 months following CRF denervation (new Day 0). - If the conservative treatment group subjects refuse or don't qualify for CRF treatment at 3 months, they will subsequently be followed-up at 6, 9, and 12 months from their Day 0. Primary Analysis is planned after all initially treated subjects have completed their 3-month post-procedure visit. ;
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