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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT02171169
Other study ID # PR-07875
Secondary ID
Status Enrolling by invitation
Phase N/A
First received June 19, 2014
Last updated September 2, 2014
Start date June 2014
Est. completion date May 2015

Study information

Verified date September 2014
Source Baxano Surgical, Inc.
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug AdministrationUnited States: Western Institutional Review Board
Study type Observational

Clinical Trial Summary

The purpose of this retrospective data review is to evaluate the health economic drivers and complications of two surgical procedures: transsacral lumbar interbody fusion and transforaminal lumbar interbody fusion when used in conjunction with bilateral supplemental screw fixation as an adjunct to fusion. Devices used in both systems are cleared for use and comply with US regulations and requirements.


Description:

Study Objective:

The study objective is to demonstrate via retrospective data review the relative value of two lumbar fusion procedures: transsacral lumbar interbody fusion and the transforaminal lumbar interbody fusion when used in conjunction with bilateral supplemental screw fixation as an adjunct to fusion. Subject candidates are those who had required fusion at L5-S1 where this was the only lumbar level treated for spinal stenosis, spondylolisthesis, or degenerative disc disease (DDD).

Consecutive subjects who were treated with the transsacral lumbar interbody fusion or transforaminal lumbar interbody fusion procedure at least 1 year (- 2 months) prior to the date the data is collected will be evaluated.

Study Design, Endpoints:

Primary Endpoint:

Safety: Incidence of reported adverse events, including those requiring medical intervention, by 3 months post-operative.

Secondary Endpoints:

Health Economic: Operative measures, including the direct and surrogate measurement of estimated blood loss, anesthesia time, transfusions, length of surgery and time to hospital discharge, as applicable.

Health Economic: Comparative hospital data (from time of admission through time of discharge)

Clinical Effectiveness: A decrease in back pain compared to baseline at 3 months (+/-2 weeks) as measured by Visual Analog Scale (VAS).

Clinical Effectiveness: A decrease in disability compared to baseline at 3 months (+/-2 weeks) as measured by the Oswestry Disability Index (ODI).

Study Design, Enrollment:

Approximately 200 subjects will be enrolled in this study, 100 subjects who have been treated with transsacral lumbar interbody fusion and 100 subjects who have been treated with transforaminal lumbar interbody fusion.

Study Design, Analyses:

The retrospective clinical evaluation will collect and compare results for the procedure transsacral lumbar interbody fusion versus transforaminal lumbar interbody fusion as defined by the primary and secondary endpoints.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 200
Est. completion date May 2015
Est. primary completion date May 2015
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Adult aged 18 years or older

- Male or Female subject that had previously received transsacral single-level procedure when used in conjunction with bilateral pedicle screw fixation or TLIF single-level procedure with bilateral supplemental screw fixation (e.g. pedicle screws, anterior devices with screw anchoring, anterior lumber plates) as an adjunct to fusion at L5-S1 to treat spinal stenosis, spondylolithesis or degenerative disc disease (DDD)

- Subject that was treated no less than 1 year (-2 months) prior to this evaluation with a transsacral or TLIF procedure by participating surgeons

Exclusion Criteria:

- Subject had history of previous back operations at the time of the index procedure

- Subject had extraspinal cause of back pain or sciatica at the time of the index procedure

- Severe scoliosis in the lumbar region

- Subject was or is currently involved in active litigation

- Subject that had a diagnosis and received a transsacral or TLIF procedure at L5-S1 levels and did not require treatment at any other lumbar levels at the time of surgery.

Study Design

Observational Model: Cohort, Time Perspective: Retrospective


Locations

Country Name City State
United States University Hospitals Case Medical Center Cleveland Ohio
United States St. Joseph Heritage Healthcare Fullerton California
United States Michigan Spine Institute Waterford Michigan

Sponsors (1)

Lead Sponsor Collaborator
Baxano Surgical, Inc.

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Safety Incidence of reported adverse events, including those requiring medical intervention. 3 months post-operative Yes
Secondary Health Economic Operative measures including the direct and surrogate measurement of estimated blood loss, anesthesia time, transfusions, length of surgery and time to hospital discharge.
Comparative hospital data
Up to 3 months post-operative No
Secondary Clinical Effectiveness A decrease in back pain compared to baseline at 3 months as measured by Visual Analog Scale A decrease in disability compared to baseline at 3 months as measure by the Oswestry Disability Index 3 months post-operative No
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