Evaluation of Cervical Fusion With DTRAX® Cervical Cage With DTRAX Bone Screw

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

WITHDRAWN

Clinical Phase

NA

Study Classification

INTERVENTIONAL

Study Start Date

2015-11-30

Study Completion Date

2016-09-30

Brief Summary

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This study is being conducted to assess the radiographic (x-rays and CT scans) and clinical outcomes for the use of DTRAX Cervical Cage with DTRAX Bone Screw for the treatment of degenerative disc disease at one disc level with accompanying radicular symptoms in the cervical (neck) spine.

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Detailed Description

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Conditions

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Cervical Radiculopathy

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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DTRAX Cervical Cervical Cage with DTRAX Bone Screw

Group Type OTHER

DTRAX® Cervical Cage with DTRAX Bone Screw

Intervention Type DEVICE

DTRAX Cervical Cage is an intervertebral fusion device that provides mechanical support to the spine. DTRAX Cervical Cage is intended to be used in cervical spine fusion surgery. DTRAX Bone Screw is indicated for use in arthrodesis and provides supplemental fixation. .

Interventions

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DTRAX® Cervical Cage with DTRAX Bone Screw

DTRAX Cervical Cage is an intervertebral fusion device that provides mechanical support to the spine. DTRAX Cervical Cage is intended to be used in cervical spine fusion surgery. DTRAX Bone Screw is indicated for use in arthrodesis and provides supplemental fixation. .

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Subject diagnosed with one level cervical spondylosis with radiculopathy in C3-C7, defined as follows:

a. Radiographically (at least one): i. degenerated disc on MRI and/or CT; ii. decreased disc height on MRI and/or CT; and/or iii. foraminal stenosis, as demonstrated by MRI and/or CT. b. Clinically: radicular symptoms (at least one): i. arm/shoulder pain; ii. decreased reflexes; iii. decreased strength; and/or iv. decreased sensation.
2. Subject has dynamic stenosis relieved by traction and made worse by a Spurlings maneuver.
3. Subject is 35-80 years of age, inclusive.
4. Subject is unresponsive to 6 weeks conservative, nonoperative treatment, or clinically indicated sooner due to the presence of progressive symptoms or signs of nerve root in spite of combined nonoperative management.
5. Preoperative Neck Disability Index (NDI) score of \> 30.
6. Preoperative Neck pain or Arm pain score of \> 6 on Neck and Arm VAS Pain Scales.
7. Subject is a male or non-pregnant, non-lactating female.
8. Subject must have the ability to understand and voluntarily provide written, informed consent.
9. Subject is able to meet the proposed follow-up schedule.
10. Subject is able to follow the postoperative management program.

Exclusion Criteria

1. Any previous cervical spinal surgery.
2. Subject has known osteoporosis, osteomalacia, spinal metastases, or metabolic bone disease OR subject has sustained a vertebral compression or nontraumatic hip or wrist fracture.
3. Subject has overt or active spinal and/or systemic infection.
4. Subject has cervical spondylolisthesis \> 3.5mm or rotator subluxation.
5. Subject has cervical myelopathy.
6. Subject has a chronic pain syndrome.
7. Subject has radicular findings with major motor impairment.
8. Subject has a condition that requires postoperative medications that interfere with fusion or the stability of the implant, such as steroids (ie. corticosteroids, methotrexate, immunosuppressives).
9. Subject is mentally incompetent.
10. Subject is a prisoner.
11. Subject is pregnant.
12. Subject abuses alcohol or drugs.
13. Subject has a cervical spinal condition other than symptomatic cervical disc disease requiring surgical treatment at the involved level.
14. Subject has insulin dependent diabetes.
15. Subject has chronic or acute renal failure or prior history of renal disease.
16. Subject has documented allergy or intolerance to stainless steel, titanium, or a titanium alloy.
17. Subject has or is planning to receive drugs which may interfere with bone metabolism within two weeks prior to or six months following the date of surgery.
18. Subject has history of an endocrine or metabolic disorder known to affect osteogenesis.
19. Subject has had treatment with an investigational therapy within 28 days prior to surgery or such treatment is planned during the 16 weeks following implantation of DTRAX Cervical Cage with DTRAX Bone Screw.
20. Subject is involved in or planning spinal litigation or Workmen's Compensation claim.
21. Subject is morbidly obese, defined as body mass index (BMI) \> 40.
22. Subject has a medical condition or extenuating circumstance that, in the Investigator's opinion, would prevent the subject from complying with postoperative follow-up visits.

Minimum Eligible Age

35 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No