Liver function breath test using aromatic amino acids

A - Human Necessities – 61 – K

Patent

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A61K 51/00 (2006.01) A61K 51/04 (2006.01) A61K 51/12 (2006.01) G01N 33/497 (2006.01)

Patent

CA 2164854

A test for determining hepatic function has been developed. This test uses oral administration of isotope labeled phenylalanine or tyrosine, particularly 13C-phenylalanine, in a rapid breath test. In the preferred mode, the breath sample is analysed using a mass spectrometer and compared with a standard. The breath test provides a dynamic rather than static determination of hepatic function and can be used for both early and late stage liver problems.

L'invention concerne une épreuve permettant d'évaluer la fonction hépatique. Ladite épreuve consiste à administrer de la phénylalanine ou de la tyrosine marquée par un isotope, et plus particulièrement de la <13>C-phénylalanine dans une épreuve fonctionnelle hépatique rapide. Dans le mode préféré de réalisation, l'épreuve hépatique permet de déterminer la fonction hépatique de manière dynamique plutôt que statique et peut être utilisée pour les problèmes hépatiques précoces ou avancés.

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