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Infrared Camera for Brain Mapping During Surgery

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ClinicalTrials.gov Identifier: NCT00001554
Recruitment Status : Completed
First Posted : December 10, 2002
Last Update Posted : March 4, 2008
Sponsor:
Information provided by:
National Institutes of Health Clinical Center (CC)

Brief Summary:

It is extremely important to identify and distinguish healthy brain tissue from diseased brain tissue during neurosurgery. If normal tissue is damaged during neurosurgery it can result in long term neurological problems for the patient.

The brain tissue as it appears prior to the operation on CT scan and MRI is occasionally very different from how it appears during the actual operation. Therefore, it is necessary to develop diagnostic procedures that can be used during the operation

Presently, the techniques used for intraoperative mapping of the brain are not reliable in all cases in which they are used. Researchers in this study have developed a new approach that may allow diseased brain tissue to be located during an operation with little risk. This new approach uses nfrared technology to locate the diseased tissue and identify healthy brain tissue.

The goal of this study is to investigate the clinical use of intraoperative infrared (IR) neuroimaging to locate diseased tissue and distinguish it from normal functioning tissue during the operation.


Condition or disease Intervention/treatment Phase
Epilepsy Neurologic Manifestations Device: intraoperative infrared (IR) neuroimaging Phase 1

Detailed Description:

It is important during neurosurgical procedures to identify and preserve eloquent functional cortex adjacent to a resectable lesion. Resection of a lesion infiltrating vital cerebral cortex can be associated with postoperative neurological deficits if the surgeon cannot clearly distinguish between the infiltrating borders of a lesion and surrounding functionally eloquent tissue. Spatial relationships between a lesion and surrounding normal brain can change significantly from those determined by preoperative methods such as CT and MRI scans. Necessary intraoperative interventions such as cerebrospinal fluid drainage, osmotic diuresis and lesion debulking cause quantitatively unpredictable brain shift in three dimensions. Therefore functional localization in real time that can be performed in the operating room is desirable. However, intraoperative real-time functional mapping techniques now available cannot be used in many surgical situations and are not sufficiently reliable in all cases in which they are used.

We have developed an intraoperative approach that may permit reliable lesion localization and brain functional mapping in real time with minimal risk. This approach makes use of infrared technology to identify functionally active eloquent cortex and may differentiate abnormal tissue from normal cortex.

The goal of this study is to investigate the clinical use of intraoperative infrared (IR) neuroimaging to differentiate intracranial lesions from surrounding normal functionally important tissue in real time. Reliable real-time intraoperative functional mapping of eloquent cortex adjacent to lesions by this technique would improve the safety and effectiveness of many neurosurgical procedures.


Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 80 participants
Primary Purpose: Treatment
Official Title: Intraoperative Infrared Functional Brain Mapping
Study Start Date : June 1996
Estimated Study Completion Date : June 2000

Resource links provided by the National Library of Medicine

U.S. FDA Resources





Information from the National Library of Medicine

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Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Adult patients who will be undergoing craniotomy for lesions such as tumor, epileptic focus, vascular malformation or infection.

Adult patients who are able to provide informed consent.


Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00001554


Locations
United States, Maryland
National Institute of Neurological Disorders and Stroke (NINDS)
Bethesda, Maryland, United States, 20892
Sponsors and Collaborators
National Institute of Neurological Disorders and Stroke (NINDS)

Publications:
ClinicalTrials.gov Identifier: NCT00001554     History of Changes
Other Study ID Numbers: 960093
96-N-0093
First Posted: December 10, 2002    Key Record Dates
Last Update Posted: March 4, 2008
Last Verified: May 1999

Keywords provided by National Institutes of Health Clinical Center (CC):
Cortical Localization
Optical Imaging
Thermal Imaging

Additional relevant MeSH terms:
Neurologic Manifestations
Nervous System Diseases
Signs and Symptoms