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Novel screening tests for liver cancer
Date:4/25/2013

Amsterdam, The Netherlands, Friday 26 April 2013: New data from two clinical trials presented today at the International Liver Congress 2013 demonstrate substantial improvements in the detection of both hepatocellular carcinoma (HCC) and cholangiocarcinoma (CC) using diagnostic urine tests.

HCC is common throughout the world and most often develops as a late complication of chronic viral hepatitis or cirrhosis of any cause. The overall survival rate of HCC is poor and so screening for HCC offers the best hope for early detection, eligibility for treatment, and improved survival. While effective therapies exist, the available screening tests to detect HCC alpha-fetoprotein (AFP) and ultrasound are reported to have low sensitivity and specificity (5085% and 7090%, respectively).

Preliminary data demonstrate the performance of urinary metabolites in helping to diagnose HCC. Urine samples were collected from four subject groups in West Africa on the case-control platform of PROLIFICA 'Prevention of Liver Fibrosis and Carcinoma in Africa' as follows: patients with HCC (n=65), cirrhosis (Cir, n=36), non-cirrhotic liver disease (DC, n=110) and healthy controls (NC, n=91). HCC patients were diagnosed using EASL guidelines.

Multivariate analyses of urinary nuclear magnetic resonance (NMR) spectra showed a distinct profile for urine of patients with HCC compared to Cir, DC and NC with sensitivity of 87%, 86% and 97% respectively. These results suggest that Urinary metabolite profile outperforms serum AFP which only differentiated HCC from these groups by 79% (Cir), 75% (DC) and 76% NC) respectively. The metabolites that were significantly increased (p< 0.001) in HCC patients compared to all groups of control were methionine, acetylcarnitine, carnitine, N-acetylglutamate, 2-oxoglutarate, indole-3-acetate, and creatine; whereas creatinine was significantly lower in HCC than controls.

EASL General Secretary, Prof. Mark Thursz commen
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Contact: Dimple Natali
easlpressoffice@cohnwolfe.com
44-790-013-8904
European Association for the Study of the Liver
Source:Eurekalert

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