Are You Eligible?

Inclusion Criteria

Participants must be 18-70 years of age and meet at least the following criteria:

  • Diagnosis of symptomatic degenerative disc disease (DDD) at one (and only one) of the following levels of the lumbar spine:
    • L1-L2
    • L2-L3
    • L3-L4
    • L4-L5
  • Preoperative Disability Index above a limit determined by a physician’s assessment and questionnaire.
  • Unresponsive to non-surgical treatment for 6 months.


Exclusion Criteria

Some people who meet the criteria listed above may not be eligible to participate in this clinical research study. This includes any person who has at least one of the following criteria, among others:

  • Symptomatic multilevel lumbar DDD.
  • Previous or other lumbar spinal surgery at any level, except prior discectomy, laminotomy, or nucleolysis at the same level.
  • Another implanted lumbar device.
  • Severe osteopenia or osteoporosis.
  • Morbid obesity (body mass index >40).
  • Interest in becoming pregnant within the follow-up period of the study. (You will also be excluded if you are currently pregnant.)


Other Criteria

The criteria listed above are not the only eligibility requirements for this study. Only a clinical research study staff member can determine if you are eligible for this clinical research study.

What are the requirements for participants?
Following the surgery, participants will be asked, and are required, to visit the clinical research study site at regular intervals for a minimum of two years for evaluation by clinical research study personnel.

Is there any cost for participants?
Participants enrolled in this study and receiving the investigational device will not be responsible for any of the medical costs associated with the study. The investigational device will be provided at no charge. Neither the participant nor the participant's insurance company will be billed for the surgery or any additional tests or assessments associated with this clinical research study.


Find a Study Site

Find a study location now.

Call 888-674-2326 (toll-free), or e-mail xlmotion@nuvasive.com for more information.