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Clinical Application of Fibroblast Activation Protein PET/MRI in Liver Fibrosis

Magnetic Resonance Imaging Clinical Trial

Official title:
Clinical Application of Fibroblast Activation Protein PET/MRI for Diagnosis and Staging in Liver Fibrosis

Clinical Trial Summary

Positron Emission Tomography (PET) provides a valuable tool for the diagnosis and staging of liver fibrosis. Activation of hepatic stellate cell (HSC) is a key link in the pathophysiological development of liver fibrosis. In human liver tissue, fibroblast activation protein (FAP) was only expressed in active HSCs and fibroblasts, but not in static HSCs. Therefore, FAP has become an excellent target for diagnosis and treatment of liver fibrosis. Recently, radionuclide-labeled fibroblast activation protein inhibitors (FAPI) as a new novel positron tracer has shown to be effective to detect various cancers. In this prospective study, the investigators will use the most advanced imaging equipments, integrated PET/MR, and PET/CT with gallium-68 (68Ga) -FAPI to image patients with or suspected of liver fibrosis, the aim is to explore the value of 68Ga-FAPI hybrid PET/MR and PET/CT in liver fibrosis.

Clinical Trial Description

Liver fibrosis is a key step in the development of various chronic liver diseases (viral hepatitis, alcoholic liver disease, non-alcoholic fatty liver disease, autoimmune liver disease, etc.) to cirrhosis and an important link that affects the prognosis of chronic liver disease. Fibrosis is histologically reversible, and early liver fibrosis can still be reversed to restore liver tissue to normal. However, due to the lack of specific initial symptoms and accurate non-invasive diagnostic methods, the onset of liver fibrosis is insidious. Most patients have developed liver cirrhosis and/or hepatocellular carcinoma when they are diagnosed, and some even require liver transplantation. If liver fibrosis can be diagnosed accurately and treated early, the prognosis of chronic liver disease can be improved. Positron Emission Tomography (PET) provides a valuable tool for the diagnosis and staging of liver fibrosis. Activation of hepatic stellate cell (HSC) is a key link in the pathophysiological development of liver fibrosis. In human liver tissue, fibroblast activation protein (FAP) was only expressed in active HSCs and fibroblasts, but not in static HSCs. Therefore, FAP has become an excellent target for diagnosis and treatment of liver fibrosis. Recently, radionuclide-labeled fibroblast activation protein inhibitors (FAPI) as a new novel positron tracer has shown to be effective to detect various cancers. In this prospective study, the investigators will use the most advanced imaging equipments, integrated PET/MR, and PET/CT with gallium-68 (68Ga) -FAPI to image patients with or suspected of liver fibrosis, the aim is to explore the value of 68Ga-FAPI hybrid PET/MR and PET/CT in liver fibrosis. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04605939
Study type Interventional
Source Wuhan Union Hospital, China
Contact Xiaoli Lan, PhD
Phone 0086-027-83692633
Email lxl730724@hotmail.com
Status Recruiting
Phase N/A
Start date July 1, 2020
Completion date December 31, 2023
View Details
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