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18F-Fluciclovine PET-MRI in High-grade Glioma

Evaluation of 18F-Fluciclovine PET-MRI to Differentiate Tumor Progression From Post-treatment Changes in Pediatric High-grade Glioma (HGG)

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05553041
Enrollment
30
Registered
2022-09-23
Start date
2024-08-07
Completion date
2027-12-31
Last updated
2025-12-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diffuse Glioma, Glioma, Glioma Intracranial, Glioma, Malignant, High Grade Glioma

Keywords

Glioma, High Grade Glioma, Glioma, Malignant, Glioma Intracranial, Diffuse Glioma, 18F fluciclovine

Brief summary

The purpose of this study is to see if 18F-fluciclovine (Axumin®) PET imaging is useful and safe in the management of children with High Grade Gliomas. Investigators seek to determine if this imaging will help doctors tell the difference between tumor growth (progression) and other tumor changes that can occur after treatment.

Detailed description

Following radiation and immunotherapy, many pediatric participants with high-grade gliomas (HGG), including diffuse midline glioma (DMG), demonstrate radiographic findings suspicious of disease progression. Differentiating post-treatment changes from true tumor progression is paramount to clinical decision-making, as true tumor progression may warrant a change in treatment, while post-treatment changes are typically not an indication to change treatment. Unfortunately, conventional MRI cannot reliably distinguish between true progression and post-treatment changes. Therefore, finding a physiological correlate to delineate true progression from pseudo-progression is critical. The overall objective of this current application is to evaluate 18F-fluciclovine PET imaging as a diagnostic biomarker for tumor progression compared to post-treatment changes in pediatric HGG. The long-term goal of this research is to accurately differentiate tumor progression from post-treatment changes in pediatric HGG using 18F-fluciclovine PET imaging.

Interventions

DRUG18F-Fluciclovine PET-MRI

18F-Fluciclovine will be injected via IV prior to Positron emission tomography (PET)-Magnetic resonance imaging (MRI)

Sponsors

Blue Earth Diagnostics
CollaboratorINDUSTRY
Dragon Master Foundation
CollaboratorUNKNOWN
Children's Hospital of Philadelphia
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
1 Years to 21 Years
Healthy volunteers
No

Inclusion criteria

* 1\. Histopathology-proven HGG (WHO grade III-IV) or DMG (WHO grade IV) or, in the case of DMG of the pons, imaging that is characteristic of Diffuse intrinsic pontine gliomas (DIPG) (diffusely infiltrating >=2/3 of the pons). * 2\. Measurable disease, measuring at least 1x1 cm. * 3\. Life expectancy of greater than 8 weeks. * 4\. Age > 1 years but < 21 years of age at enrollment. For those without planned surgery: * 1\. Participants with clinical and/or radiographic suspicion of True progression (TP) or Pseudoprogression (PsP) during radiation but yet to have the initial post-radiation MRI scan. or * 2\. Participants with suspicion for TP or PsP on first post-radiation MRI For those with planned surgery: * 1\. Clinical or radiographic suspicion of tumor progression with plan to undergo surgery or biopsy.

Exclusion criteria

* 1\. Inability to tolerate imaging procedures in the opinion of an investigator or treating physician. * 2\. Pregnant or breastfeeding participants. * 3\. Participant who would require sedation or anesthesia for imaging beyond standard of care (SOC). * 4\. Participants who weigh less than 8 kg. * 5\. Participants who cannot avoid contact with a pregnant woman or infant for at least 12 hours following injection. * 6\. Participants with a history of abnormal kidney function or creatinine >= CTCAE v5.0 grade 2 at time of study registration. 7\. Participants with primary tumors of the spinal cord.

Design outcomes

Primary

MeasureTime frameDescription
Histopathology analysis4 weeksEvaluation of SUV uptake post radiation in participants with planned biopsy or resection who experience true progression versus those who experience pseudoprogression as confirmed by histopathology.
Image analysis6 monthsComparison of Standardized uptake value (SUV) max, SUV peak, and uptake kinetics post radiation between participants who experience true progression versus those who experience pseudoprogression as confirmed by routine imaging.

Secondary

MeasureTime frameDescription
Safety of 18F-Fluciclovine6 monthsThe Safety profile of 18F-Fluciclovine PET in pediatric HGG participants will be assessed based on CTCAE 5.0 toxicity experienced after administration of 18F-Fluciclovine

Countries

United States

Contacts

Primary ContactMariam Aboian, MD, PhD
aboianm@chop.edu215-510-7661
Backup ContactNazanin Maleki, MD
malekin@chop.edu

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026