New microscope could help surgeons spot brain tumor borders in real time
NCT ID NCT05513859
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early study tests a new imaging technique called qOBM that may help brain surgeons see tumor edges more clearly during surgery. About 24 adults with certain brain tumors (glioblastoma, astrocytoma, or oligodendroglioma) will have the device used during their planned tumor removal. The goal is to check if qOBM is safe and reliable for finding tumor margins, which could lead to more complete tumor removal.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 24 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2024
- Expected to finish
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Jun 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age \>= 18 years * Craniotomy is indicated for tumor management * Surgery planned for 14 or fewer days from enrollment * Evidence of a personally signed informed consent indicating that the subject is aware of the neoplastic nature of the disease and has been informed of the procedures to be followed, the experimental nature of the device evaluation, alternatives, potential risks and discomforts, potential benefits, and other pertinent aspects of study participation. * A newly discovered brain lesion requiring surgery who imaging is consistent with a new glioblastoma, astrocytoma, or oligodendroglioma or with a progressive histologically proven glioblastoma, astrocytoma, or oligodendroglioma whose management required surgery. Exclusion Criteria: An individual who meets any of the following criteria will be excluded from participation in this study: * Patients who are undergoing needle biopsy only * Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Emory University Hospital/Winship Cancer Institute
Atlanta, Georgia, 30322, United States
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Other studies related to the condition(s) this trial covers.
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