- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02704689
AccuLIF® PROSPECTIVE PATIENT OUTCOMES STUDY (APROPOS)
April 20, 2018 updated by: Stryker Spine
A Prospective Multi-Center Evaluation of a Hydraulic Expandable TLIF Cage for the Treatment of Degenerative Disc Disease of the Lumbar Spine
This is a post-market clinical study of the AccuLIF expandable transforaminal lumbar interbody fusion (TLIF) cage in patients requiring surgery for degenerative disc disease (DDD) with up to Grade I spondylolisthesis or retrolisthesis, at one or two levels, between L2 and S1.
Study Overview
Status
Terminated
Intervention / Treatment
Detailed Description
Study evaluations will be evaluated pre-operatively and at 6-weeks, 3-months, 6-months, 12-months and 24-months post-operatively to assess clinical outcomes, patient reported outcomes and radiographic status.
Study Type
Interventional
Enrollment (Actual)
9
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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Missouri
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Columbia, Missouri, United States, 65212
- University of Missouri Health Care
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-
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.
Eligibility Criteria
Ages Eligible for Study
18 years to 70 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Subject is skeletally mature and between 18 and 70 years of age.
- DDD and up to Grade I spondylolisthesis or retrolisthesis, requiring decompression and arthrodesis at one or two contiguous levels between L2 and S1.
- No previous surgery at the same or adjacent level (other than microdiscectomy / laminectomy) at the same or adjacent level.
- Non-responsive to conservative (non-surgical) treatment for back pain for a minimum of 6 months.
- Subject understands the conditions of enrollment and is willing to sign and date the Informed Consent.
- Subject agrees to comply with visit schedule and completing study questionnaires.
Exclusion Criteria:
- Significant instability of the spine.
- Requires TLIF at more than 2 levels between L2 and S1.
- Previously undergone lumbar spine surgery (other than microdiscectomy / laminectomy) at the same or adjacent level.
- Younger than 18 years of age, or older than 70 years of age.
- BMI of 40 or greater.
- History of metabolic bone disease
- Osteoporosis
- Diabetes mellitus requiring daily insulin management.
Subject has any of the following:
- Progressive neuromuscular disease; OR
- Autoimmune disease; OR
- Active malignancy within the last 15 years; OR
- Active hepatitis; OR
- AIDS, ARC, or is HIV positive; OR
- Syringomyelia at any spinal level; OR
- Any other condition that would interfere with the subject self -assessment of pain, function or quality of life.
- Allergy to implant materials (titanium, titanium alloy).
- Active systemic infection or infection localized to the site of implantation.
- Primary or metastatic tumors involving the spine.
- Open wounds or inadequate issue tissue coverage over the operative site.
- History of significant mental illness or mental incapacity.
- Pregnancy or intent to become pregnant.
- Participating in another investigational study for a similar purpose.
- Belongs to a vulnerable population that would compromise ability to provide informed consent or compliance with follow-up requirements.
- Smokers unwilling to cease up to 3 months post-op or recent history of alcohol or other substance abuse within the past 2 years.
- Workers compensation.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: AccuLIF
|
AccuLIF TL expandable interbody cage used with autogenous bone and/or allograft (cancellous or corticocancellous allograft chips) and supplemental fixation.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Post-operative Radiographic Measurements to Evaluate Segmental Lordosis as Measured by Degree of Change From Pre-operative X-rays.
Time Frame: 24 months
|
Post-operative radiographic measurements to evaluate segmental lordosis as measured by degree of change from pre-operative x-rays.
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24 months
|
Pre-operative Comparison to Post-operative Radiographic Outcomes of Disc Height as Measured in mm.
Time Frame: 24 months
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Pre-operative comparison to post-operative radiographic outcomes of disc height as measured in mm.
|
24 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Surgical Outcomes: To Measure the Length of Surgery as Measured in Time of Surgery Duration.
Time Frame: Operative Visit
|
Surgical Outcomes: To measure the length of surgery as measured in time of surgery duration.
|
Operative Visit
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Surgical Outcomes: To Evaluate the Length of Time Hospitalized for the Index Procedure as Measured in Days.
Time Frame: Peri-op
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Surgical Outcomes: To evaluate the length of time hospitalized for the index procedure as measured in days.
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Peri-op
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Surgical Outcomes: To Measure the Amount of Blood Loss at the Time of Surgery.
Time Frame: Operative Visit
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Surgical Outcomes: To measure the amount of blood loss at the time of surgery.
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Operative Visit
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Medical Outcomes: Incidence of Complications Associated With the Procedure and/or Device.
Time Frame: 24 months
|
Medical Outcomes: Incidence of complications associated with the procedure and/or device.
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24 months
|
Medical Outcomes: Comparison of Pre-operative Neurological Reflex Evaluations in the Lower Extremities to Post-operative Findings
Time Frame: 24 months
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Medical Outcomes: Comparison of pre-operative neurological Reflex evaluations in the lower extremities to post-operative findings
|
24 months
|
Medical Outcomes: Comparison of Pre-operative Neurological Sensory Responses in the Lower Extremities to Post-operative Findings.
Time Frame: 24 months
|
Medical Outcomes: Comparison of pre-operative neurological Sensory Responses in the lower extremities to post-operative findings.
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24 months
|
Medical Outcomes: Comparison of Pre-operative Neurological Motors Assessments Evaluated by Straight Leg Raise, Femoral Stretch, and Strength Assessments, to Post-operative Findings.
Time Frame: 24 months
|
Medical Outcomes: Comparison of pre-operative neurological Motors assessments evaluated by Straight Leg Raise, Femoral Stretch, and Strength assessments, to post-operative findings.
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24 months
|
Patient Reported Outcomes: Comparison of Pre-operative Back Pain Scores to Post-operative Levels as Measured by the (Visual Analog Scale (VAS).
Time Frame: 24 months
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Patient Reported Outcomes: Comparison of pre-operative back pain scores to post-operative levels as measured by the (Visual Analog Scale (VAS).
|
24 months
|
Patient Reported Outcomes: Oswestry Disability Index Measurements for Comparison of Pre-operative to Post-operative Evaluations.
Time Frame: 24 months
|
Patient Reported Outcomes: Oswestry Disability Index measurements for comparison of pre-operative to post-operative evaluations.
|
24 months
|
Patient Reported Outcomes: Evaluations of Quality of Life (QOL) as Measured by the SF-12.
Time Frame: 24 months
|
Patient Reported Outcomes: Evaluations of Quality of Life (QOL) as measured by the SF-12.
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24 months
|
Radiographic Outcomes: Fusion Status Evaluated by X-ray and/or CT Assessments.
Time Frame: 24 months
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Radiographic Outcomes: Fusion status evaluated by x-ray and/or CT assessments.
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24 months
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Radiographic Outcomes: Device Placement Status as Evaluated by X-ray and/or CT Imaging.
Time Frame: 24 months
|
Radiographic Outcomes: Device placement status as evaluated by x-ray and/or CT imaging.
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24 months
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Theodore Choma, MD, University of Missouri Health Care
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
June 8, 2016
Primary Completion (Actual)
January 19, 2017
Study Completion (Actual)
January 19, 2017
Study Registration Dates
First Submitted
February 17, 2016
First Submitted That Met QC Criteria
March 4, 2016
First Posted (Estimate)
March 10, 2016
Study Record Updates
Last Update Posted (Actual)
April 24, 2018
Last Update Submitted That Met QC Criteria
April 20, 2018
Last Verified
April 1, 2018
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2015-L-001
- 510(k) 132505 & K143616 (Other Identifier: U.S. Food and Drug Administration)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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