SPONGIT: Comparison of Two Surgical Approaches in the Treatment of Degenerative Spondylolysthesis
SPONGIT
Comparison of 2 Surgical Approaches in the Treatment of Degenerative Spondylolysthesis: Posterolateral Fusion With Instrumentation (GPLI) Plus or Minus Transforaminal Lumbar Interbody Fusion (TLIF)
2 other identifiers
interventional
60
1 country
1
Brief Summary
This trial, conducted in adult patients with degenerative spondylolisthesis needing surgical treatment at one level, aimed at comparing two approaches of spinal fusion.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Jun 2009
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 25, 2009
CompletedFirst Posted
Study publicly available on registry
March 26, 2009
CompletedStudy Start
First participant enrolled
June 1, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2013
CompletedMay 14, 2026
October 1, 2014
4.4 years
March 25, 2009
May 11, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Success rate defined as fusion associated to at least a 3-degree increase of segmental lordosis angle and the absence of a reintervention due to a failure of the initial intervention
24 months after surgery
Secondary Outcomes (7)
Major complication (ie, life threatening haemorrhage, severe and persisting neurological worsening, deep infection) rate, and minor complication rate
within 24 months after surgery
Success rate defined as both fusion and at least 3-degree increase of segmental lordosis angle
6 and 12 months after surgery
Lumbar and radicular pain outcome
2, 6, 12 and 24 months after surgery
Functional outcome: Oswestry Disability Index and modified Prolo Economic and Functional scores
2, 6, 12 and 24 months after surgery
Change of pelvic and radiological parameters (ie, lumbar lordosis angle, medial intervertebral space height
2, 6, 12 and 24 months after surgery
- +2 more secondary outcomes
Study Arms (2)
1
EXPERIMENTALPosterolateral fusion with instrumentation combined to transforaminal lumbar interbody fusion
2
ACTIVE COMPARATORPosterolateral fusion with instrumentation
Interventions
Patients are carefully positioned in the proned position and submitted to a posterior surgical approach under general anaesthesia. Surgical levels are viewed laterally by mean of intraoperative radiographs which can be performed at surgeon's demand during the whole surgery time. The preceding procedure is performed. In case of foraminal stenosis, decompression is performed at the same time as discal approach via the narrowest foramen. In addition to this, before preparation of bed for bone grafting, nerve roots are retracted and the disc nucleus is removed entirely, then endplate decortication is performed. The disc space is distracted. The most anterior part of the disc space is packed with cancellous bone. A cage packed with bone is inserted into the anterior portion of the interspace. According to cage location, bone graft could be inserted in the posterior portion of the interspace. Cage placement is radiologically checked. The end of the procedure is the same as for GPLI.
Patients are carefully positioned in pronation and submitted to a posterior surgical approach under general anaesthesia. Surgical levels are viewed laterally by mean of intraoperative radiographs performed at surgeon's demand during the whole surgery time. Pedicle screw instrumentation is performed, followed by posterior neural decompression depending on the type of stenosis: * Central stenosis: decompression is performed including medial facectomy, laminectomy; * Foraminal stenosis: foraminotomy is performed, while preserving a graft bed as large as possible; * Pure foraminal stenosis: spinal duct is not opened. Local bone is harvested from the lamina and the spinous process and carefully fragmented for autologous graft. Subperiosteal dissection is performed between the transverse processes and lateral aspects of the facet joints. Two rods are placed and locked on screws in maximum compression to optimize segmental lordosis. Bone autograft is placed into this bed.
Eligibility Criteria
You may qualify if:
- Adults aged less than 75,
- Having been informed about clinical trial objectives and risk,
- Covered by health insurance system,
- Suffering from degenerative spondylolisthesis (whatever the grade and intervertebral disc height) needing one-level surgical fusion due to either invalidating lombalgia/radiculalgia despite 6-month optimal medical treatment and/or motor neurological symptoms.
You may not qualify if:
- Previous lumbar fusion,
- Previous spine traumatism,
- Presence of at least one major contraindication to surgery and/or general anaesthesia (ie, non controlled coagulopathy, active infection, or serious underlying disease, auto-immune affection).
- Presence of at least one contraindication to either TLIF or GPLI,
- Severe radiological osteoporosis.
- Unlikely to comply with the requirements of the study and/or to complete the study for psychological, social, familial or geographical reasons.
- Under any administrative or legal supervision.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Service de chirurgie orthopédique, Hôpital Pellegrin Tripode
Bordeaux, 33076, France
Related Publications (39)
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PMID: 27548582RESULT
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Patrick GUERIN, MD
University Hospital Bordeaux, France
- STUDY CHAIR
Antoine BENARD, MD
University Hospital Bordeaux, France
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 25, 2009
First Posted
March 26, 2009
Study Start
June 1, 2009
Primary Completion
November 1, 2013
Study Completion
November 1, 2013
Last Updated
May 14, 2026
Record last verified: 2014-10