CLUBE: UBE lumbar stability checked with 3-month dynamic X‑rays

Is this trial a fit for you?

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

What this trial studies

Patients aged 50 or older who require single- or two-level lumbar decompression using uniportal/bilateral endoscopic (UBE) techniques are enrolled at a single center. All participants must have a preoperative dynamic radiograph within 3 months of surgery and will receive an additional dynamic radiograph 3 months after surgery. Spinal stability is defined by the absence of abnormal sagittal translation (≥3 mm) between flexion and extension and will be measured on the 3-month dynamic X‑ray. Patients with preoperative mobile spondylolisthesis (≥3 mm), prior lumbar fusion, or inability to attend follow-up are excluded.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Patient ≥ 50 ans,
* Patient requiring single-level or 2-levels lumbar decompression surgery under UBE,
* Patients who underwent dynamic radiography within 3 months prior to surgery,
* Patient who received information on the study and who signed the consent form.

Exclusion Criteria:

* Presence of a mobile spondylolisthesis with a ≥ 3 mm difference between flexion and extension movements on preoperative dynamic radiography,
* Patient with history of lumbar arthrodesis,
* Patient not available for study follow-up.

Where it's running

• Clinique St Jean Sud de France
  Montpellier, France Recruiting

Study contacts

• Study coordinator: Guillaume Lonjon, Dr
• Email: guilonjon@gmail.com
• Phone: (0)467413453

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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.