Comparison of Artificial Disc Implants in Cervical Disc Arthroplasty

Description

This study will comprehensively evaluate the outcomes and endpoints of these two different FDA-approved artificial disc implants used to treat cervical spondylotic myelopathy and/or radiculopathy today: Biomet Zimmer Mobi-C and Nuvasive Simplify. Both implants are structurally different with the Nuvasive Simplify implementing a three-piece design with two endplates and a semi-constrained mobile core while the Biomet Zimmer Mobi-C implements an unconstrained three piece design. Subjects will be age-matched and randomly assigned to either implant with informed consent. All subjects will undergo a variety of assessments that evaluate neck disability, quality of life, pain, physiological outcome (radiographic assessments), and neck range-of motion before and after their procedure. One baseline testing will be conducted along with three post-operation visits (three months, six months, and one year) in accordance to standard follow-up procedure. Thus, the duration of participation in the study will be approximately one and a half years.

Conditions

Cervical Spondylosis With Myelopathy, Cervical Radiculopathy, Cervical Disc Herniation, Degenerative Disc Disease

Study Overview

Study Details

Study overview

This study will comprehensively evaluate the outcomes and endpoints of these two different FDA-approved artificial disc implants used to treat cervical spondylotic myelopathy and/or radiculopathy today: Biomet Zimmer Mobi-C and Nuvasive Simplify. Both implants are structurally different with the Nuvasive Simplify implementing a three-piece design with two endplates and a semi-constrained mobile core while the Biomet Zimmer Mobi-C implements an unconstrained three piece design. Subjects will be age-matched and randomly assigned to either implant with informed consent. All subjects will undergo a variety of assessments that evaluate neck disability, quality of life, pain, physiological outcome (radiographic assessments), and neck range-of motion before and after their procedure. One baseline testing will be conducted along with three post-operation visits (three months, six months, and one year) in accordance to standard follow-up procedure. Thus, the duration of participation in the study will be approximately one and a half years.

Comparison of Unconstrained and Semi-constrained Artificial Disc Implants Used in Cervical Disc Arthroplasty

Comparison of Artificial Disc Implants in Cervical Disc Arthroplasty

Condition
Cervical Spondylosis With Myelopathy
Intervention / Treatment

-

Contacts and Locations

Los Angeles

UCLA, Los Angeles, California, United States, 90095

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * Patient is skeletally mature and between 18 to 60 years of age
  • * Experiences cervical spondylotic myelopathy and/or radiculopathy typically caused by disc herniation or degenerative disc disease at a single level between C3 to C7
  • * Is unresponsive to at least six weeks of non-surgical conservative care
  • * Has the intention of undergoing cervical arthroplasty for their chief complaint
  • * Signed informed consent form
  • * Patient has had prior cervical spine surgery
  • * Has more than two diseased levels requiring surgery
  • * Has a known allergy to a metal alloy or polyethylene
  • * Is morbidly obese
  • * Has active local or system infection
  • * Has any circumstances or conditions such that their ability to provide informed consent comply with follow-up requirements, or provide self-assessments is compromised (eg: psychiatric disorders, chronic alcohol or substance abuse, etc.)

Ages Eligible for Study

18 Years to 60 Years

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

University of California, Los Angeles,

Daniel C Lu, MD, PhD, PRINCIPAL_INVESTIGATOR, University of California, Los Angeles

Mark T Yamamoto, BS, STUDY_DIRECTOR, University of California, Los Angeles

Study Record Dates

2024-12-01