Comparison of 3-month versus 6-month lumbar orthosis use on spinal fusion success after multilevel lumbar spinal surgery

Comparison of Short-Term (3-Month) versus Intermediate-Term (6-Month) Use of External Lumbar Orthosis on Fusion Rate in Patients Undergoing Multilevel Instrumented Lumbar Spinal Fusion

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20251020067698N3

Enrollment

Registered

2026-02-07

Start date

2026-03-21

Completion date

Unknown

Last updated

2026-06-01

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

Conditions

Degenerative lumbar spine disease requiring multilevel instrumented spinal fusion, including conditions such as degenerative disc disease, lumbar spinal stenosis, and lumbar spondylolisthesis.. Other intervertebral disc degeneration, lumbar region

Interventions

Intervention 1: Intervention group 1: Patients use a rigid lumbar support orthosis (LSO) for 3 months, 23 hours per day except during bathing. The orthosis is a standard rigid LSO for post-surgical lu

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Age 18 to 60 years. Candidates for multilevel instrumented lumbar spinal fusion surgery. No history of diabetes, smoking, neuropathy, or previous spinal surgery. Providing informed consent.

Exclusion criteria

Exclusion criteria: Disc recurrence. Surgical complications requiring reoperation. Non-compliance with the study protocol.

Design outcomes

Primary

Measure	Time frame
Fusion rate in patients undergoing multilevel instrumented lumbar spinal fusion. Timepoint: 12 months after surgery. Method of measurement: Flexion/extension radiography.	—

Countries

Iran (Islamic Republic of)

Contacts

Public ContactSara Kord

Dezfoul University of Medical Sciences

bahare.kord132@gmail.com+98 937 674 1216

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jun 11, 2026