Post-Market Surveillance Study of the TM Ardis Interbody Fusion System

March 14, 2019 updated by: Zimmer Biomet

A Prospective, Multi-Center, Post-Market Surveillance Study to Assess the Clinical Efficacy and Fusion Rates of the Zimmer TM Ardis Interbody Fusion System

This study is a post-market clinical follow-up study to fulfill the post-market surveillance obligations according to Medical Device Directive and MEDDEV 2.12-2_Rev2_January 2012. The data collected from this study will serve the purpose of confirming safety and performance of the TM Ardis implant. The goal of this study is to demonstrate that implant is effective in reducing patient disability.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

This study is a post-market clinical follow-up (PMCF) study to fulfill the post-market surveillance obligations according to Medical Device Directive and MEDDEV 2.12-2_Rev2_January 2012. The data collected from this study will serve the purpose of confirming safety and performance of the TM Ardis implant. The goal of this study is to demonstrate that implant is effective in reducing patient disability, which will be assessed with the ODI questionnaire.

Study Type

Interventional

Enrollment (Actual)

80

Phase

  • Phase 4

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

      • Aalst, Belgium
        • OLV Ziekenhuis Department Neurosurgery
      • Montreal, Canada
        • McGill University
      • Toronto, Canada
        • Sunnybrook Regional Hospital
    • British Columbia
      • Vernon, British Columbia, Canada
        • Vernon Jubile Hospital
      • Rennes, France
        • C.H.U. RENNES - Pontchaillou
      • Dortmund, Germany
        • Klinikum Dortmund gGmbH
      • Schwedt/Oder, Germany
        • Asklepios Kliniken GmbH - Auguststrasse
      • Troisdorf, Germany
        • St. Josef Hospital Troisdorf
      • Madrid, Spain
        • Fundación Jiménez Díaz - Servicio de Cirugía Ortopédica y Traumatología -Avda. Reyes Católicos,
      • Gothenburg, Sweden
        • Sahlgrenska University Hospital Department of Orthopedics, Spine Divison

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 and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Age > or = 18 years
  • Degenerative disc disease DDD with up to Grade 1 spondylolisthesis or retrolis-thesis at the involved level. DDD is defined as discogenic back pain with degener-ation of the disc confirmed by history and radiographic studies.
  • ODI 40 out of 100
  • Back pain 4 out of 10
  • Mono segmental or two level lumbosacral disease
  • Skeletally mature patients
  • Six months failed conservative treatment.
  • Gave written consent to take part in the study by signing the Ethics Committee's approved Patient Informed Consent Form.
  • Physically and mentally able to comply with the protocol, including ability to read and complete required forms and adhere to the follow-up requirements of the pro-tocol.

Exclusion Criteria:

  • Prior surgical procedure at the index level(s) using the desired operative approach.
  • Severe degenerative lesions at more than two level of the lumbosacral spine.
  • Morbid obesity (BMI greater than or equal to 40).
  • Active local infection in or near the operative region.
  • Active systemic infection and/or disease.
  • Severe osteoporosis or insufficient bone density, which in the medical opinion of the physician precludes surgery or contraindicates instrumentation.
  • Known or suspected sensitivity to the implant materials.
  • Endocrine or metabolic disorders known to affect osteogenesis (e.g.Paget's disease, renal osteodystrophy, hypothyroidism)
  • Systemic disease that requires the chronic administration of nonsteroidal anti-inflammatory or steroidal drugs.
  • Significant mental disorder or condition that could compromise the patient's ability to remember and comply with preoperative and postoperative instructions (e.g. current treatment for a psychiatric/psychosocial disorder, senile dementia, Alzheimer's disease, traumatic head injury)
  • Neuromuscular disorder that would engender unacceptable risk of instability, implant fixation failure, or complications in postoperative care.
  • Pregnant.
  • Unwilling to follow postoperative instructions, in particular with respect to athletic or occupational activities.
  • Current vertebral metastatic tumors.
  • Symptomatic cardiac disease.
  • Severe congenital or acquired vertebral deformities.

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
Other: Post market study of TM-Ardis Interbody
TM-Ardis TLIF MIS or Open single or multi level implant for lumbar fusion
The TM Ardis implant is a single device manufactured wholly from Trabecular Metal™ (porous tantalum) material, a highly porous, three-dimensional biomaterial designed for biologic fixation. is indicated for use with autogenous bone graft as an intervertebral body fusion device at one or two contiguous levels in the lumbosacral region (L2- S1) in the treatment of degenerative disc disease (DDD) with up to Grade 1 spondylolisthesis or retrolisthesis at the involved level(s).
Other Names:
  • Interbody Cage

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Improvement in ODI score
Time Frame: 24 months
mean change in score of the ODI from baseline to 24 months post surgery. A 15 point improvement in ODI score will be considered as a success.
24 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Safety - Adverse Events
Time Frame: 24 months
All adverse events will be assessed by incidence and time to resolution of postoperative device-related complications and serious adverse events/ incidence and time to re-operation/ incidence and time to re-vision
24 months
Fusion rate - X-ray
Time Frame: 3, 6, 12 and 24 month
will be assessed at 3, 6, 12 and 24 months with the following fusion criteria: No evidence of radiolucency surrounding more than 50% of device, translational motion <3 mm and angular motion <5°.
3, 6, 12 and 24 month
Patient Outcomes - Mean EQ-5D
Time Frame: 24 months
24 months
Modic changes - MRI
Time Frame: 12 and 24 months
Modic changes will be assessed by MRI
12 and 24 months
Numerical Rating Scale (NRS) for back and leg
Time Frame: 3 , 6, 12, and 24 months
Patients will grade back and leg pain with a numeric scale 0 - 10
3 , 6, 12, and 24 months
Zung self-rating depression scale score
Time Frame: 3, 6, 12, & 24 months
Patients will complete a questionaire to assess depression.
3, 6, 12, & 24 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Study Director: Joel Batts, Zimmer Biomet Spine

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

March 1, 2014

Primary Completion (Actual)

September 14, 2018

Study Completion (Actual)

September 14, 2018

Study Registration Dates

First Submitted

March 16, 2015

First Submitted That Met QC Criteria

April 23, 2015

First Posted (Estimate)

April 29, 2015

Study Record Updates

Last Update Posted (Actual)

March 15, 2019

Last Update Submitted That Met QC Criteria

March 14, 2019

Last Verified

March 1, 2019

More Information

Terms related to this study

Other Study ID Numbers

  • CME2013-01S

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Undecided

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.

Clinical Trials on Degenerative Disc Disease

Clinical Trials on TM-Ardis Interbody

Search Similar Trials