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1What's a trial
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More info
You can access this
clinical trial
if you have
Myelopathy, Compressive or Radiculopathy, Cervical
and you are
over 18
years old
The phase for this study is not defined.
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The purpose

C5 palsy (C5P) is a well-known, although rare complication of cervical spine decompression surgery. In severe forms, C5P causes debilitating upper extremity weakness involving the deltoids and/or biceps brachii muscles, ultimately diminishing these patients' quality of life. Furthermore, about half of patients with C5P present with sensory deficits and/or intractable pain in addition to the muscle weakness. Prophylactic bilateral foraminotomy at the C5 level during cervical decompression surgery has been studied recently with the hope that it will minimize the risk of developing a C5 nerve root palsy postoperatively. Although the current literature provides some support for this claim, there are insufficient data establishing this technique as a proven measure to reduce the incidence of C5P. In the present study, we seek to evaluate the effect of bilateral foraminotomy on postoperative C5P incidence rates. Bilateral foraminotomy has been correlated with a reduced risk of developing C5P following cervical decompression surgery, but an identical foraminotomy procedure has never been applied in a randomized manner to all qualifying patients in a study. Additionally, prophylactic foraminotomy has only been prospectively studied during laminoplasty. In the proposed study, bilateral foraminotomy will be randomized to patients receiving cervical decompression surgery (laminoplasty, laminectomy, fusion). This is a multicenter randomized trial, including the following sites: Cleveland Clinic, Columbia University Medical Center, and University of Southern California Spine Center. Patients undergoing cervical decompression surgery will be consented and enrolled if they meet the inclusion and exclusion criteria. Subsequently, incidence of C5P will be monitored to determine efficacy of prophylactic C5 bilateral foraminotomy during cervical decompression.

Provided treatments

  • Procedure: Bilateral Cervical Keyhole Foraminotomy
  • Procedure: Cervical Decompression
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Locations near you

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Tris trial is registered with FDA with number: NCT03023696. The sponsor of the trial is The Cleveland Clinic and it is looking for 480 volunteers for the current phase.
Official trial title:
A Randomized, Prospective Study Determining the Impact of Prophylactic Bilateral Foraminotomy During Cervical Decompression on C5 Palsy