DETECTION OF CHOLANGIOCARCINOMA WITH PROTEASE ACTIVITY PROBES
<div><p><b>Background: </b>Patients with primary sclerosing cholangitis (PSC) are at a 400-fold increased risk of cholangiocarcinoma (CCA), and are thus recommended to undergo annual screening with magnetic resonance cholangiopancreatography (MRCP). Unfortunately, MRCP findings are nonspecific for CCA in the setting of biliary fibrosis and screening may not confer a survival benefit. We have previously developed a new class of diagnostic tools that detect dysregulated protease activity in the tumor microenvironment.