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Treatment of Lumbar Spinal Stenosis; Comparison of Two Different Surgical Methods; Mini-Invasive Decompression to X-Stop (LSSS)

This study is currently Recruiting

August 2011 By Norwegian University of Science and Technology

First Recieved on October 18, 2007

Last Updated on August 9, 2011

Sponsor: Norwegian University of Science and Technology
Information provided by: Norwegian University of Science and Technology
Identifier: NCT00546949


The purpose of this study is to compare two operation methods on lumbar spinal stenosis; minimal invasive decompression to X-stop. It is a prospective randomized multicenter study including patients with lumbar spinal stenosis on one or two levels, and nevrogenic intermittent claudicatio.

Study Type: Interventional
Study Design: Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Ages Eligible for Study:50 Years
Genders Eligible for Study:Both
Accepts Healthy Volunteers:No

Inclusion Criteria: - nevrogenic intermittent claudicatio due to lumbar spinal stenosis - diagnosed on MRI in maximum two levels - walking distance on 250 metres - sympthoms is relieved on flexion of the lumbar spine - duration of the symptoms more than 6 month - non-operative treatment is tried or considered as not indicated Exclusion Criteria: - vascular cladicatio intermittens - spinal stenosis on more than 2 levels - cauda equina syndrom - severe paresis - clinical monoradiculopathy - grave scoliosis - privious lumbar surgery - degenerative spondylolisthesis more than 25% - spondylolysis with listesis - osteoporotic fracture in lumbal column - clinical and radioliogical (both) arthritis in the hip joint - ASA >3 - verified polynevropathy on neurophysiological test


  • Investigator: Greger L?nne, MD - Principal Investigator - Norwegian University of Sciense and Technology


  • Nastional Senter for Spinal Disorders

    Trondheim, 7006 Norway

Conditions related to this trial:

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