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EpilepsyPhase 1NCT00001554

Infrared Camera for Brain Mapping During Surgery

A Phase 1 study testing intraoperative infrared (IR) neuroimaging in people with Epilepsy and Neurologic Manifestations, run by National Institute of Neurological Disorders and Stroke (NINDS) at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial 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. Read more about this study

Who is it for?
Any age
Conditions the study is for
Epilepsy, Neurologic Manifestations
What is being tested?
intraoperative infrared (IR) neuroimaging
Type of treatment
Medical device
How many people
80 participants
Where
1 siteUnited States
Study dates
Jun 1996to Jun 2000
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

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.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • National Institute of Neurological Disorders and Stroke (NINDS)

    Bethesda, Maryland, 20892

Other trials in United States

About this study

Official title: Intraoperative Infrared Functional Brain Mapping

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

Read more

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.

Read the 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.

Being tested
intraoperative infrared (IR) neuroimaging
Keywords
Cortical Localization, Optical Imaging, Thermal Imaging
Medical subject headings
Epilepsy, Neurologic Manifestations

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • intraoperative infrared (IR) neuroimagingDevice

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted10 Dec 2002 (estimated)
  2. Study startJun 1996
  3. Study completionJun 2000

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Enrolment
80 participants
IDs, dates and publications
ClinicalTrials.gov ID
NCT00001554
Sponsor's protocol ID
960093
Other IDs
96-N-0093
Status last verified
May 1999
First submitted
3 Nov 1999
Last updated
4 Mar 2008
Results posted
No

Publications

  • Brugge JF, Poon PW, So AT, Wu BM, Chan FH, Lam FK. Thermal images of somatic sensory cortex obtained through the skull of rat and gerbil. Exp Brain Res. 1995;106(1):7-18. doi: 10.1007/BF00241352.

    PubMed 8542979
  • George JS, Lewine JD, Goggin AS, Dyer RB, Flynn ER. IR thermal imaging of a monkey's head: local temperature changes in response to somatosensory stimulation. Adv Exp Med Biol. 1993;333:125-36. doi: 10.1007/978-1-4899-2468-1_12. No abstract available.

    PubMed 8362657

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing intraoperative infrared (IR) neuroimaging in people with Epilepsy and Neurologic Manifestations, run by National Institute of Neurological Disorders and Stroke (NINDS) at 1 site in United States.

The full registered description is in the About this study section and the official record.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 4 Mar 2008. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00001554, which also lists 2 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 4 Mar 2008; AzTrials last refreshed its copy on 30 Oct 2026.

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