NCT06613841

Brief Summary

  • To perform metabolic phenotyping of treatment naïve and recurrent GBM by multitracer \[18F\]Fluciclovine and 18F-FDG PET.
  • To compare uptake measures of 18F-Fluciclovine and 18F-FDG and MRI quantification of glutamate and lactate levels to tumor tissue laboratory assays (RNA seq and proteomics) of glutamine/glutamate, glucose, and lactate metabolism.
  • To perform metabolic phenotyping of treatment naïve and recurrent GBM by advanced MRI methods at 7 Tesla

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
15

participants targeted

Target at P25-P50 for early_phase_1

Timeline
8mo left

Started May 2025

Geographic Reach
1 country

2 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress61%
May 2025Dec 2026

First Submitted

Initial submission to the registry

August 28, 2024

Completed
29 days until next milestone

First Posted

Study publicly available on registry

September 26, 2024

Completed
7 months until next milestone

Study Start

First participant enrolled

May 1, 2025

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2026

Expected
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2026

Last Updated

November 28, 2025

Status Verified

May 1, 2025

Enrollment Period

1.4 years

First QC Date

August 28, 2024

Last Update Submit

November 24, 2025

Conditions

Keywords

Early Phase 1CohortGlioblastoma

Outcome Measures

Primary Outcomes (1)

  • Uptake Values (SUV)

    Quantification of \[18F\]Fluciclovine and 18F-FDG uptake values (SUV) in treatment naïve and recurrent GBM.

    2 years

Other Outcomes (2)

  • PET uptake values relation to kinetic parameters

    2 years

  • Quantification of glutamate and lactate levels

    2 years

Study Arms (1)

Imaging Cohort

EXPERIMENTAL

Up to 15 subjects will enroll in this imaging study at the University of Pennsylvania. Those with a diagnosis of a new intra-axial brain mass that is consistent with GBM per the opinion of a Penn neuroradiologist OR New contrast-enhancing lesion or lesions showing increased enhancement (\>25% increase) in a patient with a historical diagnosis of glioblastoma.

Drug: Fluciclovine F18

Interventions

To perform metabolic phenotyping of treatment naïve and recurrent GBM by multitracer \[18F\]Fluciclovine and 18F-FDG PET.

Imaging Cohort

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participants will be ≥ 18 years of age
  • Must meet the following criteria:
  • Diagnosis of a new intra-axial brain mass that is consistent with GBM per the opinion of a Penn neuroradiologist.
  • New contrast-enhancing lesion or lesions showing increased enhancement (\>25%increase) in a patient with a historical diagnosis of glioblastoma (histologic or molecular proof) on standard MRI after completion of treatment
  • Recommended for clinically indicated surgical resection
  • Life expectancy of greater than 3 months in the opinion of an investigator or treating physician.
  • Karnofsky performance status ≥ 60 per medical record review
  • Participants must be informed of the investigational nature of this study and be willing to provide written informed consent and participate in this study in accordance with institutional and federal guidelines prior to study-specific procedures.

You may not qualify if:

  • Inability to tolerate imaging procedures in the opinion of an investigator or treating physician
  • Females who are pregnant or breastfeeding at the time of screening will not be eligible for this study; a urine pregnancy test will be performed in women of childbearing potential prior to injection.
  • Any current medical condition, illness, or disorder as assessed by medical record review and/or self-reported that is considered by a physician investigator to be a condition that could compromise participant safety or successful participation in the study
  • Contraindications to MRI
  • Only individuals (aged 18 or over) who can understand and give informed consent will be approached to participate in this study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Hospital of the University of Pennsylvania

Philadelphia, Pennsylvania, 19104, United States

RECRUITING

University of Pennsylvania

Philadelphia, Pennsylvania, 19104, United States

RECRUITING

Related Publications (1)

  • Nabavizadeh A, Bagley SJ, Doot RK, Ware JB, Young AJ, Ghodasara S, Zhao C, Anderson H, Schubert E, Carpenter EL, Till J, Henderson F Jr, Pantel AR, Chen HI, Lee JYK, Amankulor NM, O'Rourke DM, Desai A, Nasrallah MP, Brem S. Distinguishing Progression from Pseudoprogression in Glioblastoma Using 18F-Fluciclovine PET. J Nucl Med. 2023 Jun;64(6):852-858. doi: 10.2967/jnumed.122.264812. Epub 2022 Dec 22.

MeSH Terms

Conditions

Glioblastoma

Interventions

fluciclovine F-18

Condition Hierarchy (Ancestors)

AstrocytomaGliomaNeoplasms, NeuroepithelialNeuroectodermal TumorsNeoplasms, Germ Cell and EmbryonalNeoplasms by Histologic TypeNeoplasmsNeoplasms, Glandular and EpithelialNeoplasms, Nerve Tissue

Study Officials

  • Ali Nabavizadeh, MD

    University of Pensylvania

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
NA
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

August 28, 2024

First Posted

September 26, 2024

Study Start

May 1, 2025

Primary Completion (Estimated)

October 1, 2026

Study Completion (Estimated)

December 31, 2026

Last Updated

November 28, 2025

Record last verified: 2025-05

Locations