An Evaluation of the Effect of the AmnioFix Amniotic Membrane Allograft in Patients Undergoing Posterior Instrumentation Removal

March 16, 2015 updated by: MiMedx Group, Inc.

An Evaluation of the Effect of the AmnioFix™ Amniotic Membrane Allograft on Scar Tissue and Adhesions in Patients Undergoing Posterior Instrumentation Removal

The objective of this study is to evaluate the clinical effectiveness of AmnioFix™ in the reduction of the tenacity and frequency of soft tissue adhesions during the removal of segmental posterior lumbar instrumentation.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

5

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

  • United States
    • Virginia
      • Reston, Virginia, United States, 20190
        • Virginia Spine Institute

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:

  • Adults (18 years or older)
  • Diagnosed with lumbar pathology requiring elective lumbar interbody fusion
  • Willingness to comply to follow-up examinations and diagnostic imaging procedures
  • Ability to give full written informed consent

Exclusion Criteria:

  • Previous surgical procedure performed at same site
  • Sign or symptoms of other disease which could result in allograft failure
  • Require a corpectomy
  • Participating in another drug or device clinical trial
  • Pregnant or may become pregnant during the study
  • Prisoner
  • Involved in workmen's compensation or other litigation relative to a spine injury
  • Past medical history of allograft implantation which resulted in graft failure
  • Any condition requiring treatment above the normal standard of care
  • Currently taking medications which could affect graft incorporation (supervising physicians discretion)
  • Auto-Immune disease
  • Renal failure
  • Failure to sign or understand informed consent information
  • History of drug and/or alcohol abuse
  • Allergic to aminoglycosides

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: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Treatment
Other: Scheduled removal of posterior instrumentation with AmnioFix
Other: Control
Other: Scheduled removal of posterior instrumentation without AmnioFix

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Tenacity and frequency of soft tissue adhesion
Time Frame: At the time of removal of segmental posterior lumbar instrumentation
At the time of removal of segmental posterior lumbar instrumentation

Secondary Outcome Measures

Outcome Measure
Time Frame
Presence and extent of scar tissue using histological analysis of the lumbar tissue adjacent to the surgical site
Time Frame: At the time of removal of segmental posterior lumbar instrumentation
At the time of removal of segmental posterior lumbar instrumentation
Number of intra-operative complications
Time Frame: At the time of removal of segmental posterior lumbar instrumentation
At the time of removal of segmental posterior lumbar instrumentation

Collaborators and Investigators

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

Sponsor

MiMedx Group, Inc.

Investigators

  • Principal Investigator: Brian Subach, MD, Virginia Spine Institute

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

September 1, 2011

Primary Completion (Actual)

May 1, 2014

Study Completion (Actual)

May 1, 2014

Study Registration Dates

First Submitted

May 18, 2011

First Submitted That Met QC Criteria

May 19, 2011

First Posted (Estimate)

May 20, 2011

Study Record Updates

Last Update Posted (Estimate)

March 17, 2015

Last Update Submitted That Met QC Criteria

March 16, 2015

Last Verified

June 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • AFPIR001

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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