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Clinical Trial Summary

To assess the need for additional fusion surgery versus the risk of a revision surgery in patients with degenerative lumbar spinal disease and to assess efficacy and risk of the ligamentous fixation technique (vertebropexy)


Clinical Trial Description

The global share of people over the age of 65 years has been consistently on the rise over the past few decades, and is still projected to increase. The increasing life expectancy, overall advances in medical care and therefore, the higher average age of people seeking surgical treatment lead to increasing numbers of spine surgeries: Spinal fusion is one of the most frequently used surgical treatment modalities for spinal disorders with 7.6 million per year worldwide (EU: 700,000, USA: 450,000, CH: 9000) and provides stability by internal rigid fixation of the spine with screws, rods and bony fusion. Although producing reliable short-term results with rapid pain relief and positive effects on patient outcome, implant-related complications, painful pseudarthrosis (non-union of bone), screw loosening, and adjacent segment disease lead to one-third of patients requiring reoperation within 15 years. These complications might be evoked by altered biomechanics with redistribution of loads and subsequently increased stress at the bone-implant interface as well as long fusions leading to relevant, irreversible loss of motion. Therefore, a new treatment modality which reinforces bony spinal segments with ligaments, the so called "vertebropexy", was recently developed by Farshad et al. The goal is to achieve targeted stabilization of the spine by inserting ligamentous allografts to counteract instability, without immobilizing the segment. Furthermore, it might provide additional stabilization after decompression surgery and therefore reduce revision surgery rates due to instability in clinically relevant directions as flexion-extension or anterior shear stress. However, to become a broadly accepted surgical alternative to existing surgical techniques for degenerative lumbar spinal disease like dorsal fusion and spinal decompression surgery, the new technique must provide convincing long-term results superior to those of these established procedures which is the primary objective of this randomized controlled trial. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06024785
Study type Interventional
Source Balgrist University Hospital
Contact Mazda Farshad, MD
Phone +413861111
Email Mazda.Farshad@balgrist.ch
Status Not yet recruiting
Phase N/A
Start date September 2024
Completion date December 2028

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