NCT02551302

Brief Summary

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™)

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Oct 2015

Typical duration for not_applicable

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 15, 2015

Completed
1 day until next milestone

First Posted

Study publicly available on registry

September 16, 2015

Completed
15 days until next milestone

Study Start

First participant enrolled

October 1, 2015

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2017

Completed
Last Updated

September 16, 2015

Status Verified

September 1, 2015

Enrollment Period

2.2 years

First QC Date

September 15, 2015

Last Update Submit

September 15, 2015

Conditions

Outcome Measures

Primary Outcomes (1)

  • Changes in the subscores of physical pain and physical function in the ODI Questionaire

    Baseline to 6 month

Secondary Outcomes (1)

  • MCS and individual dimensions and subscales of the SF-36™

    60 Month

Study Arms (2)

PLIF

OTHER

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

Device: Solera™ Medtronic

Hybrid system (PLIF + flexible pedicle screw system above the

OTHER

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

Device: CD HORIZON BalanC™ Medtronic

Interventions

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

PLIF

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

Hybrid system (PLIF + flexible pedicle screw system above the

Eligibility Criteria

Age30 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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

You may not qualify if:

  • 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
  • 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)
  • +14 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Officials

  • Jan Siewe, Dr.med.

    University Hospital Cologne

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Dr.med.

Study Record Dates

First Submitted

September 15, 2015

First Posted

September 16, 2015

Study Start

October 1, 2015

Primary Completion

December 1, 2017

Study Completion

December 1, 2017

Last Updated

September 16, 2015

Record last verified: 2015-09