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Lumbar fusion versus nonsurgical treatment for chronic low back pain: a multicenter randomized controlled trial from the Swedish Lumbar Spine Study Group.

Effect of lumbar fusion versus nonsurgical treatment on pain and function in patients with chronic low back pain

Status
Completed
Phases
Unknown
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12615000162516
Enrollment
294
Registered
2015-02-19
Start date
1992-01-01
Completion date
1998-12-31
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

To determine whether fusion of the lower lumbar spine could reduce pain and diminish disability when compared with nonsurgical treatment in patients with chronic low back pain.

Interventions

Spinal fusion is surgery to permanently connect two or more vertebrae in your spine, eliminating motion between them. Spinal fusion involves techniques designed to mimic the normal healing process of broken bones. During spinal fusion, the surgeon places bone or a bone-like material in the space between two spinal vertebrae. Metal plates, screws and rods may be used to hold the vertebrae together, so they can heal into one solid unit. The procedure takes approximate 1-3 hours to complete.

Sponsors

Sahlgrenska University Hospital
Lead SponsorHospital

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Open (masking not used)

Eligibility

Sex/Gender
All
Age
25 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

Patients with chronic low back pain for at least 2 years and with radiologic evidence of disc degeneration at L4-L5 or L5-S1. Back pain more pronounced than leg pain and no signs of nerve root compression. The patients must have been on sick leave for at least 1 year and nonsurgical treatment efforts should have been unsuccessful.

Exclusion criteria

Ongoing psychiatric illness. Previous spine surgery except for successful removal of herniated disc. Infection or inflammatory process.

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026