Status:

UNKNOWN

FDG and FDOPA PET Demonstration of Functional Brain Abnormalities

Lead Sponsor:

University of Virginia

Conditions:

Glioblastoma

Eligibility:

All Genders

18+ years

Phase:

EARLY_PHASE1

Brief Summary

The purpose of this pilot study will be to conduct a clinical trial using a time-of-flight PET scanner and MRI scanner to test an improved method for differentiating tumor recurrence from radiation ne...

Detailed Description

PRIMARY OBJECTIVES: I. The primary objective will be to evaluate the diagnostic accuracy of Dynamic PET imaging in differentiating tumor recurrence from treatment effect (radiation necrosis or pseudo...

Eligibility Criteria

Inclusion

  • Age \> 18
  • Known or suspected recurrent malignant brain tumors
  • Radiographic worsening reported on MRI shortly (within 3 months) after completion of radiation and temozolomide therapy
  • Able to lie flat and/or still for a minimum of 60 minutes
  • Willingness and ability to comply with scheduled visits and study procedures
  • Patients who have a clinical indication for a PET-CT
  • If female, patient must be postmenopausal or surgically sterile

Exclusion

  • \- Conditions that preclude a clinical brain FDG PET study, including: Consumption of liquids with sugar and/or caffeine prior to the study, Blood glucose levels over 150 mg/mL, Eating or drinking calories of any type within 4 hours of radiotracer injection, Hyperinsulinemia, Patients who for any reason cannot tolerate lying supine for 60 minutes
  • Conditions that preclude a FDOPA PET study, including: Consuming a diet that is NOT low in protein after the previous evening meal
  • Tumor located in the striatum
  • Changes in medication (new prescriptions or change in dosages) between visits 1 and 2
  • Pregnant, nursing, or lactating
  • Women of childbearing potential (premenopausal female capable of becoming pregnant), which also includes:
  • women on oral, injectable, or mechanical contraceptives, women who are single, women whose male partners have been vasectomized or whose male partners have received or are utilizing mechanical contraceptive devices
  • Weight \> 450 lbs
  • Known allergic reactions to 3,4-dihydroxy-6-\[18F\]fluoro-L-phenylalanine (18F-FDOPA) and Fluorine-18 fluorodeoxyglucose (18F-FDG)
  • Confirmation that study eligibility criteria have not been met between visits 1 and 2

Key Trial Info

Start Date :

March 15 2020

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 20 2024

Estimated Enrollment :

5 Patients enrolled

Trial Details

Trial ID

NCT04315584

Start Date

March 15 2020

End Date

June 20 2024

Last Update

March 24 2020

Active Locations (1)

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1

University of Virginia

Charlottesville, Virginia, United States, 22903