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Clinical Trial · NCT06461689
Comparison of Changes in Tumor Burden in 68Ga-PSMA-11 PET/CT and 177Lu-PSMA SPECT/CT in Metastatic Castration-resistant Prostate Cancer
Overview
To demonstrate the prognostic value of using post-therapy 177Lu-PSMA SPECT/CT versus 68Ga-PSMA-11 PET/CT in mCPRC patients progressing despite chemotherapy and treated with 177Lu-PSMA.
Sponsor
Central Hospital, Nancy, France
ClinicalTrials.gov
NCT06461689Drug / Compound
PSMA-617
Isotope(s):
LUTETIUM-177
Radioisotope: Lu-177
Theranostic Role: Therapeutic Agent & SPECT Imaging
T1/2 (Half-Life): 6.7 Days
Decay Mode: BETA, GAMMA
Energy: Eβeta max 497 keV, Gamma 113-208 keV
Range: In Tissue: 0.25-2mm
Decay Daughters: Hf177
Status: FDA Approvals: PLUVICTO® (2022), LUTATHERA® (2017)
Target(s):
- PSMA
Ligand Class: Small Molecules
Chelator: DOTA
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
Eligibility
Inclusion
- patient treated in Nancy hospital for its cancer prostate
- patient who received a dose of 177lu-PSMA
- patient who had imaging by 68Ga-PSMA
Exclusion
- no social security
- no acceptation to participating in retrospective study
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