Clinical trial Recruiting at 3 sites Interventional Ages 50 to 80

Comparing physical therapy and surgery for lumbar spinal stenosis

Official title: Physical Therapy Versus Surgical Decompression for Lumbar Spinal Stenosis: A Multicenter Randomized Controlled Trial

Run by Norwegian University of Science and Technology · NCT04552145 · Data updated 2026-11-12

This study is testing whether physical therapy can help people with lumbar spinal stenosis just as well as surgery.

Quick facts

Study typeInterventional
Ages50 Years to 80 Years
SexAll
Enrollment232 (estimated)
SponsorNorwegian University of Science and Technology
Academic / other
Locations3 sites (Lillehammer and 2 other locations)
StatusRecruiting
StartedSeptember 1, 2020
Main results expectedAugust 30, 2026
Study endsAugust 31, 2027
Registry record updatedJune 22, 2025
Trial IDNCT04552145 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are patients experiencing intermittent neurogenic claudication with MRI-confirmed lumbar spinal stenosis for over six months who are candidates for surgical treatment.

Probably not a fit

Patients with more than two levels of lumbar spinal stenosis, previous low back surgery, or severe comorbid conditions may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial is a randomized controlled multicenter trial that compares the effectiveness of structured physical therapy against surgical decompression in patients suffering from lumbar spinal stenosis. The study aims to determine whether physical therapy can be a viable nonsurgical alternative for patients whose symptoms suggest the need for surgical intervention. Participants will be evaluated based on their symptoms, MRI findings, and overall fitness for physical exercise. The trial will help clarify the efficacy of non-invasive treatment options for this condition.

Why it matters

Potential benefit: If successful, this study could provide patients with a non-surgical treatment option for lumbar spinal stenosis, potentially reducing the need for surgery.

How similar studies have gone: Other studies have explored similar comparisons between physical therapy and surgical options, indicating potential for success, but this specific approach is still being evaluated.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients describing intermittent neurogenic claudication when walking and symptoms revealed by flexion of the spine.
* MRI shows lumbar spinal stenosis in one or two levels measured.
* The duration of the symptoms is longer than six months
* The patient is a candidate for surgical treatment
* The patient is capable of physical exercise

Exclusion Criteria:

* Vascular intermittent claudication
* Lumbar spinal stenosis in more than two levels
* Previous low back surgery
* Symptomatic lumbar disc herniation
* Degenerative scoliosis with Cobbs angle 30 degrees or more
* Degenerative spondylolisthesis grade 2 or more
* Spondylolysis with spondylolisthesis
* Recent osteoporotic fractures in the spine (last 6 month)
* Severe symptomatic arthrosis in hip or knee
* Locally advanced or metastatic cancer
* ASA \>3
* Polyneuropathy recognized by neurography
* Insufficient Norwegian language skills

Where it's running

  • Innlandet Hospital Trust
    Lillehammer, Norway
    Recruiting
  • Martina Hansen's Hospital
    Oslo, Norway
    Recruiting
  • St Olavs Hospital
    Trondheim, Norway
    Recruiting

Study contacts

  • Principal investigator: Greger Lønne, md phd — Norwegian University of Science and Technology, Fac MH, INB
  • Study coordinator: Greger Lønne, md phd
  • Email: gloenne@me.com
  • Phone: +4797114107

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.