Back surgery showdown: which procedure works best?
NCT ID NCT06335511
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 50 people with lumbar spinal stenosis to see if simple decompression surgery or a more complex fusion surgery leads to better outcomes. Researchers measured pain, disability, quality of life, and movement using questionnaires and wearable sensors. The goal was to find which patients benefit most from each approach.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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50 people
The number who actually took part.
- Started
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Oct 2022
- Finished
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Feb 2025
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
adult (\>18yrs-old) patients with symptomatic degenerative lumbar stenosis.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * degenerative lumbar stenosis caused by bone hypertrophy, osteoarthritis of facet joints, ligamentous hypertrophy, disc protrusion * midsagittal spinal canal diameter of 12 mm or less * no radiological signs of instability, i.e. pathological motion on preoperative dynamic lumbar X-ray * ongoing symptoms for a minimum of 12 weeks with no improvement to conservative treatment * eligibility for decompression alone (MiD) or decompression and fusion (MiD+F) Exclusion Criteria: * congenital, traumatic, infectious and neoplastic lumbar stenosis, * spondylolisthesis (on static X-ray), lumbar scoliosis (Cobb\>10°), * previous lumbar surgery, other types of operations (endoscopic decompression, anterior interbody fusions, interspinous devices etc.). * patients with spine deformity requiring long fusion (i.e. \>=3 levels)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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IRCCS Istituto Ortopedico Rizzolo
Bologna, Bologna, 40136, Italy
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IRCCS Istituto delle Scienze Neurologiche di Bologna
Bologna, Bologna, 40139, Italy
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