Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-24 @ 12:09 PM
Ignite Modification Date:
2025-12-24 @ 12:09 PM
NCT ID:
NCT00882661
Eligibility Criteria:
Inclusion Criteria:
* Symptomatic cervical disc disease (SCDD) in one vertebral level between C3-C7, defined as neck or arm (radicular) pain, or functional or neurological deficit and radiographic confirmation (by CT, MRI, X-ray, etc.) of any of the following:
* Herniated nucleus pulposus;
* Radiculopathy or myelopathy;
* Spondylosis (defined by the presence of osteophytes); or
* Loss of disc height.
* Age between 18 and 60 years
* Failed at least 6 weeks of conservative treatment
* Neck Disability Index (NDI) Questionnaire score of at least 30 (as percentage of 50 point total)
* Able to understand and sign informed consent form
* Psychosocially, mentally and physically able to fully comply with this protocol including adhering to follow-up schedule and filling out forms
* Able to meet the proposed follow-up schedule at 6 weeks, 3 months, 6 months, 12 months and 24 months
* Able to follow postoperative management program
Exclusion Criteria:
* More than one vertebral level requiring treatment
* Prior fusion surgery adjacent to the vertebral level being treated
* Prior surgery at the level to be treated
* Clinically compromised vertebral bodies at the affected level(s) due to current or past trauma
* Radiographic confirmation of facet joint disease or degeneration, defined as apparent sclerosis and/or hypertrophy of the facets demonstrated on AP radiographs as a disruption of the normally smooth facet curve
* Marked cervical instability on resting lateral or flexion/extension radiographs:
* Translation greater than 3mm, and/or
* More than 11° of rotational difference from that of either adjacent level.
* Severe spondylosis at the level to be treated as characterized by any of the following:
* Bridging osteophytes;
* A loss of disc height greater than 50%; or
* Absence of motion (\<2°)
* Neck or arm pain of unknown etiology
* Osteoporosis, osteopenia, Paget's disease, osteomalacia or any other metabolic bone disease
* Pregnant or interested in becoming pregnant in the next 2 years
* Active systemic or local infection
* Known allergy to titanium, polyethylene, cobalt, chromium or molybdenum
* Taking medications or any drug known to potentially interfere with bone/soft tissue healing (e.g., steroids)
* Rheumatoid arthritis or other autoimmune disease
* Systemic disease including AIDS, HIV, Hepatitis
* Active malignancy: A patient with a history of any invasive malignancy (except non-melanoma skin cancer), unless he/she has been treated with curative intent and there has been no clinical signs or symptoms of the malignancy for at least 5 years
* Neuromuscular disorders such as muscular dystrophy, spinal muscular atrophy, amyotrophic lateral sclerosis, etc.
* Acute mental illness or substance abuse
* Use of bone growth stimulator within past 30 days
* Participation in other investigational device or drug clinical trials within 30 days of surgery
* Prisoners
Healthy Volunteers:
False
Sex:
ALL
Minimum Age:
18 Years
Maximum Age:
60 Years
Study:
NCT00882661
Study Brief:
Protocol Section:
NCT00882661