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Clinical Trial Summary

Degenerative disc disease (DDD) refers to a syndrome in which a degenerating disc causes chronic back pain, significantly impacting an individual's ability to function. The condition is most commonly diagnosed in the lumbosacral spinal segments L3-S1. The condition often starts with an injury to the disc space. The injury weakens the disc and creates excessive motion at the corresponding vertebral level. Over time, the segmental instability and associated neurological compromise combined with ongoing inflammatory processes that occur in and around the disc produce low back pain. The reparative processes in the disc are poor, thus the painful symptoms can become chronic.

Premature degeneration at adjacent levels of the spine remains one of the more vexing problems facing spinal surgeons when advising relatively young people to consider lumbar fusion surgery. Stopping the motion changes the mechanics of the back (which is designed for motion and flexibility) and results in the transfer of the loads and stresses to the adjacent vertebral segments. It is therefore intuitive to pursue total disc replacement, which allows for the treatment of pain due to DDD while re-establishing motion and stability, load distribution, and restoring the disc height, as an alternative to spinal fusion surgery.

The study hypothesis is that military personnel receiving Total Disc Replacement will return to the same level of active duty performance as at the time of their most recent successful physical readiness test.


Clinical Trial Description

n/a


Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01028300
Study type Interventional
Source Synthes USA HQ, Inc.
Contact
Status Terminated
Phase N/A
Start date April 2010
Completion date March 2011

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