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Clinical Trial · NCT03344822
Place of 68Ga-PSMA-11 PET-CT in the Therapeutic Decision at the End of the Initial Staging for High Risk Prostate Cancer Patients
Overview
Several studies have shown a great potential of 68Ga-PSMA PET in high risk prostate cancers patients and a high detection rate than 18F-Choline PET. The primary aim of this study is to evaluate the difference of management intent, after the inital staging of high risk prostate cancer patients, with 68Ga-PSMA-11 PET-CT results in comparison of 18F-Choline PET-CT results.
Drug / Compound
PSMA-11
Isotope(s):
GALLIUM-68
Radioisotope: Ga-68
Theranostic Role: PET Imaging
T1/2 (Half-Life): 68 minutes
Decay Mode: POSITRON β+ (88.9%), GAMMA, ELECTRON CAPTURE (8.7%)
Energy: Beta: max 1.9 MeV Gamma 1.1 MeV, 511 keV
Range: N/A
Decay Daughters: Zn68 (Stable)
Status: FDA Approvals: NETSPOT® (2016), LOCAMETZ® (2022), ILLUCIX® (2021)
Target(s):
- PSMA
Ligand Class: Small Molecules
Chelator: HBED-CC
Linker: Ahx
Choline
Isotope(s):
FLUORINE-18
Radioisotope: F-18
Theranostic Role: PET Imaging
T1/2 (Half-Life): 1.8 Hours
Decay Mode: POSITRON β+ (96.7%), ELECTRON CAPTURE (3.3%), GAMMA 511 keV
Energy: Eβ+ 635 keV
Range: N/A
Decay Daughters: O18 (Stable)
Status: FDA Approvals: FDG (Cancer 2005): GLUDEF®, METATRACE® AXUMIN® (2016), PYLARIFY® (2023), POSLUMA® (2024)
Target(s):
- Phospholipid Metabolism
Ligand Class: Small Molecules
Eligibility
Inclusion
- high risk prostate cancer patients with initial tests : CT, bone scintigraphy and 18F-Choline
Exclusion
- contraindication of 68Ga-PSMA PET-CT
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