New CT-guided screw technique may spare spine patients from repeat surgery
NCT ID NCT07443267
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a minimally invasive procedure called CT-guided trans-facet screw fixation for 24 patients whose spine became unstable after a prior back surgery (laminectomy). Instead of open surgery under general anesthesia, the procedure uses a CT scan to guide small screws into the spine under local anesthesia. The goal was to see if this gentler approach could reduce pain and improve daily activities, potentially avoiding the need for another major operation.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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24 people
The number who actually took part.
- Started
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Mar 2023
- Finished
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Feb 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Patients consulting at the University Hospital of Nice (CHU de Nice).
- Ages
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41 to 93 years
- 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: * Treated at the University Hospital of Nice between march 2023 and january 2026 with trans-facet arthrodesis for persistent lumbar segment instability following previous laminectomy surgery. * MRI or scintigraphy imaging showed signs suggestive of instability * Newly developed or worsening spondylolisthesis on successive examinations * Congestive arthropathy * Facet dislocation * Inflammatory disc disease (MODIC type 1 changes) Exclusion Criteria: * Inability to tolerate the prone position under local anesthesia. * Presence of anatomical variants precluding the technical feasibility of transfacet fixation.
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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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CHU NICE
Nice, Alpes Maritimes, 0600, France
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Other studies related to the condition(s) this trial covers.
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