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Borderzone Sampling (BZS)
This study is currently recruiting participants.
Verified by Maastricht University Medical Center, October 2008
Sponsored by: Maastricht University Medical Center
Information provided by: Maastricht University Medical Center
ClinicalTrials.gov Identifier: NCT00780819
  Purpose

On regular (diagnostic) MRI images brain tumors can show "contrast enhancement": uptake of an intravenously administered contrast agent can cause an enhancement pattern that is seen as a white area on a frequently used MRI protocol ("T1 weighted imaging"). High grade gliomas are a common brain tumor that share this enhancement pattern. The goal of surgery is to resect this contrast enhancing part without causing additional neurological damage. Intraoperative MRI (iMRI) is a helpful tool in achieving this goal, because it can provide updated images during resection and correct for deformations that occur in the brain during surgery. These deformations make preoperative images that are used for standard neuronavigation systems less reliable. However, due to manipulations during surgery, the contrast uptake during surgery may differ from contrast uptake in diagnostic MRI. This study aims to relate contrast enhancement on iMRI and tumor characteristics on tissue samples from the tumor. When the neurosurgeon considers the resection of the high grade glioma to be complete, an iMRI scan will be made, and tissue sampling will be performed on the borderzones of the tumor or tumor resection cavity respectively. This will provide insight in the relation between contrast enhancement on iMRI and the presence of tumor tissue. Such knowledge is important to improve effectiveness and safety of iMRI guided brain tumor resection.


Condition Intervention
High Grade Glioma
Glioblastoma
 Device: PoleStar N20 intraoperative MRI

MedlinePlus related topics: Cancer Nuclear Scans
U.S. FDA Resources
Study Type: Interventional
Study Design: Diagnostic, Open Label, Uncontrolled, Single Group Assignment
Official Title: Does Borderzone Contrast Enhancement on Intraoperative MRI During High Grade Glioma Resection Correlate With Residual Tumor?

Further study details as provided by Maastricht University Medical Center:

Primary Outcome Measures:
  • The relation between the shape and size of contrast enhancement on intraoperative MRI at the resection cavity border, and the presence of residual tumor tissue. [ Time Frame: after surgery, and after 1 year for additional immunochemistry ] [ Designated as safety issue: Yes ]

Secondary Outcome Measures:
  • The relation between possible contrast enhancement and contrast enhancing tissue volume on the last intraoperative MRI scan and the early diagnostic MRI scan [ Time Frame: within 72 hours after surgery ] [ Designated as safety issue: No ]
  • Postoperative clinical condition (WHO Performance Scale) [ Time Frame: 1 week after surgery ] [ Designated as safety issue: Yes ]
  • Survival (Kaplan Meier) [ Time Frame: after 4 years ] [ Designated as safety issue: No ]

Estimated Enrollment: 10
Study Start Date: October 2008
Estimated Study Completion Date: September 2012
Estimated Primary Completion Date: September 2009 (Final data collection date for primary outcome measure)
Intervention Details:
    Device: PoleStar N20 intraoperative MRI
    low field strength mobile intraoperative MRI system (0,15 Tesla) with local Faraday shielding (using the StarShield system)
  Eligibility

Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • supratentorial brain tumor, on contrast enhanced MRI suspect for a high grade glioma
  • indication for resection of the tumor
  • age ≥ 18 years
  • WHO Performance Scale ≤ 2
  • ASA class ≤ 3
  • good knowledge of the Dutch language
  • informed consent

Exclusion Criteria:

  • recurrent tumor
  • multiple tumor localizations
  • prior radiotherapy on the skull
  • prior chemotherapy
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00780819

Contacts
Contact: Pieter L Kubben, MD +31 (43) 3876052 pieter@kubben.nl
Contact: Henk van Santbrink, MD, PhD +31 (43) 3874041 h.van.santbrink@mumc.nl

Locations
Netherlands, Limburg
Maastricht University Medical Center Recruiting
Maastricht, Limburg, Netherlands, 6202 AZ
Contact: Pieter L Kubben, MD     +31 (43) 3876052     pieter@kubben.nl    
Contact: Henk van Santbrink, MD, PhD     +31 (43) 3874041     h.van.santbrink@mumc.nl    
Principal Investigator: Henk van Santbrink, MD, PhD            
Sub-Investigator: Pieter L Kubben, MD            
Sponsors and Collaborators
Maastricht University Medical Center
Investigators
Principal Investigator: Pieter L Kubben, MD Maastricht University Medical Center
  More Information

Responsible Party: Maastricht University Medical Center ( H van Santbrink, MD, PhD )
Study ID Numbers: MEC 07-2-039, ABR-17679
Study First Received: October 27, 2008
Last Updated: October 27, 2008
ClinicalTrials.gov Identifier: NCT00780819  
Health Authority: Netherlands: The Central Committee on Research Involving Human Subjects (CCMO)

Study placed in the following topic categories:
Neuroectodermal Tumors
Glioblastoma
Astrocytoma
Neoplasms, Germ Cell and Embryonal
 Neuroepithelioma
Glioma
Neoplasms, Glandular and Epithelial

Additional relevant MeSH terms:
Neoplasms
Neoplasms by Histologic Type
Neoplasms, Nerve Tissue
Neoplasms, Neuroepithelial

ClinicalTrials.gov processed this record on January 16, 2009



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