"Efficacy of Hybrid Systems ("Topping Off") Versus Rigid Spinal Fusion in Lumbar Fusion Surgery: A Dual-center, Prospective, Randomized Pilot Study ("CD Horizon BalanC")"

NCT ID: NCT02551302

Last Updated: 2015-09-16

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2015-10-31

Study Completion Date

2017-12-31

Brief Summary

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Effectiveness of hybrid systems ("topping off") compared to rigid spondylodesis in fusion surgery of the lumbar spine: A prospective, randomized, bicentric pilot study ("CD HORIZON BalanC™)

Detailed Description

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Posterior spondylodesis and monosegmental intervertebral cage plus flexible spondylodesis of the superiorly adjacent segment (CD HORIZON BalanC™ Manufacturer: Medtronic)

Control:

Posterior spondylodesis and monosegmental intervertebral cage

Conditions

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Spine Surgery

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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PLIF

The control group will receive a monosegmental posterior lumbar spine fusion with an intervertebral cage (PLIF).

Group Type OTHER

Solera™ Medtronic

Intervention Type DEVICE

The control group will receive a monosegmental posterior lumbar spine fusion with an intervertebral cage (PLIF). Solera™ Medtronic

Hybrid system (PLIF + flexible pedicle screw system above the

The intervention group will receive a hybrid system with a PLIF and a flexible pedicle screw system above the fusion.

Group Type OTHER

CD HORIZON BalanC™ Medtronic

Intervention Type DEVICE

The intervention group will receive a hybrid system with a PLIF and a flexible pedicle screw system above the fusion. Surgery will be performed with the following devices:

CD HORIZON BalanC™ Medtronic

Interventions

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Solera™ Medtronic

The control group will receive a monosegmental posterior lumbar spine fusion with an intervertebral cage (PLIF). Solera™ Medtronic

Intervention Type DEVICE

CD HORIZON BalanC™ Medtronic

The intervention group will receive a hybrid system with a PLIF and a flexible pedicle screw system above the fusion. Surgery will be performed with the following devices:

CD HORIZON BalanC™ Medtronic

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Informed consent
* Legal capacity
* Age ≥ 30 years
* Indication for monosegmental lumbar spine fusion (PLIF or "topping-off ") L2-S1 with osteochondrosis Modic grades I-III \[20\]\[21\]\[22\] or spondylolisthesis Meyerding grades I-III.
* Radiologic signs of degeneration in the adjacent segment of the intended fusion without signs of instability

* Radiologic signs of degeneration in the adjacent segment of the intended fusion with \>Fujiwara grade II \[15\] or \>Pfirrmann grade IV \[14\]
* Signs of instability in any lumbar spine segment other than that undergoing fusion
* General contraindication for elective lumbar spine surgery
* Pathologic fracture
* Osteoporosis with pathologic fracture
* Active systemic infection
* Rheumatic disease
* Disease of bone metabolism (e.g. Paget's Disease)
* Bone metastasis
* Local infection focus lumbar spine
* Seizure disorder
* Chronic ischemia Fontaine classification IIb-IV
* Severe heart insufficiency (NYHA III-IV)
* Blood coagulation disorder or blood thinning therapy
* Cortisone intake more than one month in the last 12 months before randomization
* Simultaneous participation in another clinical trial in the 30 days before randomization
* Known allergy or intolerance to the implants
* Dependency on investigator
* Lack of familiarity with the German language
* Placement in an institution by governmental or juridical advice
* Absent legal capacity
* Pregnancy

Exclusion Criteria

* Motor deficit
* Cauda equina syndrome
* Previous surgical intervention of the lumbar spine
* Relevant peripheral neuropathy
* Acute denervation subsequent to a radiculopathy
* Scoliosis with Cobb angle greater than 25°
* Spondylolisthesis \> Meyerding grade III
Minimum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Medtronic

INDUSTRY

Sponsor Role collaborator

University of Cologne

OTHER

Sponsor Role lead

Responsible Party

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Dr. Jan Siewe

Dr.med.

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Jan Siewe, Dr.med.

Role: PRINCIPAL_INVESTIGATOR

University Hospital Cologne

Central Contacts

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Jan Siewe, Dr.med.

Role: CONTACT

+49(0)221-478-87294

Margarete Wicharz

Role: CONTACT

+49(0)221-478-87294

Other Identifiers

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Ortho-6-2015

Identifier Type: -

Identifier Source: org_study_id

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