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Clinical Trial Summary

A thin-cap fibroatheroma with a large necrotic core and macrophage infiltration marks the vulnerable plaque. Fibroblast activating protein (FAP) is an active serine protease, which can degrade type I collagen, potentially thinning the fibrous cap. Thus we speculate that atherosclerotic plaque could be imaged with 68Ga-FAPI PET/MR.


Clinical Trial Description

A thin-cap fibroatheroma with a large necrotic core and macrophage infiltration marks the vulnerable plaque. Fibroblast activating protein (FAP) is an active serine protease, which can degrade type I collagen, potentially thinning the fibrous cap. Previous ex vivo analysis of human aortic atheromata revealed that FAP was expressed in atherosclerotic plaques, and higher FAP expression was detected in thin fibrous caps than thick caps. Constitutive Fap deletion in atherosclerosis-prone mice models could reduce plaque formation and improve plaque stability with increased fibrous cap thickness. Thus we speculate that atherosclerotic plaque could be imaged with 68Ga-FAPI PET/MR. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05036759
Study type Interventional
Source Peking Union Medical College Hospital
Contact Li Huo, M.D.
Phone 86-10-69155537
Email [email protected]
Status Recruiting
Phase Early Phase 1
Start date May 26, 2021
Completion date August 30, 2023

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