Spondylolisthesis
Conditions
Brief summary
The purpose of this study is to determine differences in the XLIF and TLIF procedures with respect to perioperative variables in adult patients with low-grade symptomatic spondylolisthesis.
Detailed description
The study is a prospective multi-center randomized evaluation of clinical and radiographic outcomes of two commonly used lumbar interbody fusion procedures (XLIF and TLIF) in adult patients with low-grade symptomatic spondylolisthesis. The study seeks to identify differences between the procedures with respect to perioperative variables.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
\- Male and female patients who are at least 18 years of age; \- Patients who present with symptomatic Grade I or II degenerative spondylolisthesis at 1 or 2 contiguous lumbar levels between L1 and L5 and are surgical candidates for interbody lumbar fusion surgery; symptoms should include radiculopathy and/or neurogenic claudication with or without back pain; \- Patients who have been unresponsive to at least 6 months of conservative treatments or exhibit progressive neurological symptoms in the face of conservative treatment; \- Patients who understand the conditions of enrollment and are willing to sign an informed consent to participate in the study.
Exclusion criteria
\- Patients with lumbar pathologies requiring treatment at more than 2 levels; \- Patients who have had previous lumbar fusion surgery; \- Patients with lytic spondylolisthesis or a defect of the pars interarticularis; \- Patients with radiographic confirmation of Grade IV facet joint disease or degeneration; \- Patients with non-contained or extruded herniated nucleus pulposus
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The average improvement in clinical function (ODI) at 24 months compared with baseline, for each procedure. | 24 months |
Secondary
| Measure | Time frame |
|---|---|
| The average improvement in pain (VAS) at 24 months compared with baseline, for each procedure. | 24 months |
Countries
United States