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Ga68-FAPI-46 PET/CT for Preoperative Assessment of Peritoneal Carcinomatosis — FAPeCa  

Cancer Clinical Trial

Official title:
Ga68-labeled Fibroblast Activation Protein Inhibitor-46 (Ga68-FAPI-46) PET/CT for Preoperative Assessment of Peritoneal Carcinomatosis

Clinical Trial Summary

This is a prospective, phase II, non-randomized clinical imaging trial. Ga68-FAPI-46 is a novel radiotracer used in PET/CT imaging, targeting a protein of the tumor microenvironment called FAP (Fibroblast activation protein). The aim of the study is to assess the accuracy of Ga68-FAPI-46 PET/CT for preoperative assessment of peritoneal carcinomatosis in colorectal and ovarian cancer.

Clinical Trial Description

Fibroblast activation protein (FAP) is a type II transmembrane glycoprotein expressed on the surface of cancer-associated fibroblasts (CAFs) in the stroma of various tumor entities. Recently, radiolabeled molecules targeting the FAP, called FAP inhibitors (FAPI) labelled with Gallium-68, have been developed for molecular imaging with PET/CT (positron emission tomography/computed tomography). This radiotracer often presents a higher cancer lesion detectability than F18-FDG (fluorodeoxyglucose), partly thanks to its higher tumour-to-background ratio achieved by a low background activity, particularly in the brain, abdominal cavity and liver. These advantages have resulted in a superior sensitivity of Ga68-FAPI PET/CT over F18-FDG and higher SUV (standardized uptake value) in evaluating various types of cancer. In this context, Ga68-FAPI PET/CT seems promising to further study as a clinical imaging modality for preoperative assessment of peritoneal carcinomatosis. In this study, the investigators correlate Ga68-FAPI PET/CT findings in terms of peritoneal involvement with intraoperative findings based on histopathology and try to find out how accurate Ga68-FAPI PET/CT is for the preoperative assessment of peritoneal carcinomatosis. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06061874
Study type Interventional
Source Jules Bordet Institute
Contact Loubna Taraji Schiltz
Phone +32 (0) 2 541 37 81
Email loubna.taraji@hubruxelles.be
Status Recruiting
Phase Phase 2
Start date May 30, 2023
Completion date December 2025
View Details
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