Minimally Invasive Decompression and Fusion Versus Open for Degenerative Lumbar Stenosis

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

96 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-01-20

Study Completion Date

2026-02-28

Brief Summary

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The purpose of this study is to determine the effectiveness of minimally invasive decompression and fusion over the traditional open decompression and fusion in patients with single-level lumbar stenosis caused by degenerative spondylolisthesis. Postoperative follow-up will continue for 12 months. Сlinical, safety, radiological and cost-effectiveness endpoints will be evaluated.

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Detailed Description

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Conditions

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Lumbar Spinal Stenosis Intervertebral Disc Degeneration

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Minimally invasive TLIF

Patients will undergo a single level decompression and fusion using a minimally invasive technique. Followed posterior screw fixation is mandatory.

Group Type OTHER

lumbar fusion

Intervention Type PROCEDURE

Transforaminal Lumbar Interbody Fusion will be performed using minimally invasive approach or traditional open technique.

Open TLIF

Patients will undergo a single level decompression and fusion using an open traditional technique. Followed posterior screw fixation is mandatory.

Group Type OTHER

lumbar fusion

Intervention Type PROCEDURE

Transforaminal Lumbar Interbody Fusion will be performed using minimally invasive approach or traditional open technique.

Interventions

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lumbar fusion

Transforaminal Lumbar Interbody Fusion will be performed using minimally invasive approach or traditional open technique.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

1. Age 40-75 years;
2. Neurogenic claudication or bilateral radiculopathy caused by single level combination of degenerative stenosis and spondylolisthesis confirmed by MRI at one level L3-L4 or L4-L5 or L5-S1;
3. Symptoms persisting for at least three months prior to surgery;
4. Given written Informed Consent Form;
5. Able and agree to fully comply with the clinical protocol and willing to adhere to follow-up schedule and requirements;
6. Oswestry Disability Index score of at least 40/100 at baseline;

Exclusion Criteria

1. Bilateral foraminal stenosis requiring surgical decompression on both sides;
2. Degenerative spondylolisthesis Type 2B, 3 subtypes by Gille;
3. More than one symptomatic level requiring multi-level surgical decompression and/or fusion;
4. Any condition that cannot be treated with mini-invasive unilateral decompression and fusion;
5. Any contraindication or inability to undergo baseline and/or follow up MRI or X-ray as required per protocol;
6. Spondylolisthesis grade II or higher of any etiology;
7. Prior lumbar spinal fusion at any level;
8. Other non-degenerative spinal conditions that may have an impact on subject safety, wellbeing or the intent and conduct of the study;
9. History or presence of any other major neurological disease or condition that may interfere with the study assessments;
10. Severe arterial insufficiency of the legs or other peripheral vascular disease;
11. Previous enrollment in this study, current enrollment or plans to be enrolled in another study (in parallel to this study).

Minimum Eligible Age

40 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No