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This is a single arm, single center study of 15 patients with brain lesions being treated at UNC Hospitals. Subjects will undergo one (1) FLT-PET-MRI scan before their scheduled surgical biopsy of their brain lesion(s).
Identifying imaging biomarkers of metastatic brain tumor treatment response could allow early modification of treatment by determination of tumor progression vs. treatment related effects (pseudo-progression, radiation necrosis). Earlier treatment response assessment could reduce cost, improve clinical trial efficiency and allow better assessment of prognosis. The development of PET/MRI offers the possibility of combining the functional imaging of PET with the exquisite soft tissue contrast and physiologic imaging capabilities of MRI. Combining FLT-PET imaging with MRI may allow better evaluation of new and unclear lesions in brain metastatic disease. The goal of this study is to explore FLT-PET imaging combined with dynamic MR imaging techniques for the identification of tumor response markers in metastatic brain tumors.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| FLT PET/MR | All participants will have known brain lesion in the central nervous system (CNS) scheduled to have surgical biopsy of the lesion, identified by the UNC Brain Tumor Board and will have the clinical question of radiation necrosis vs. recurrence. All participants will receive a FLT PET/MR scan. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| FLT PET/MR | Drug | Each participant will be injected with FLT, a common PET radiotracer for brain tumors and lesions, and then will complete one (1) PET/MR scan. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Sensitivity and specificity of FLT-PET-MRI in distinguishing between recurrence and radiation necrosis, with surgical biopsy as gold standard | 1 week post-surgical biopsy |
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Inclusion Criteria:
Exclusion Criteria:
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UNC Hospitals
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| Name | Affiliation | Role |
|---|---|---|
| Yueh Lee, MD/PhD | University of North Carolina, Chapel Hill | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of North Carolina-Chapel Hill | Chapel Hill | North Carolina | 27599 | United States |
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| ID | Term |
|---|---|
| D001932 | Brain Neoplasms |
| ID | Term |
|---|---|
| D016543 | Central Nervous System Neoplasms |
| D009423 | Nervous System Neoplasms |
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
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| D001927 |
| Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |