Labelled diagnostic compositions and methods of their use

G - Physics – 01 – N

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Details

G01N 33/92 (2006.01) A61K 51/04 (2006.01) A61K 51/12 (2006.01) G01N 33/58 (2006.01)

Patent

CA 2176005

This invention relates to a labelled diagnostic composition for testing presence of or propensity for atherosclerosis and coronary artery disease and the like comprising components which mimic essential features of an exogenous lipoprotein transport particle, said composition being capable of metabolisation by normal physiological pathways such that at least one labelled metabolite is detectable in the blood or bodily waste of a patient being tested. Furthermore, it also relates to a method of determining the presence of or propensity for atherosclerosis or coronary artery disease and the like in a patient requiring such determination comprising administering to said patient a labelled diagnostic composition which mimics essential features of an exogenous lipoprotein transport particle, and measuring the quantity of labelled metabolite in the bodily waste or blood of said patient so as to determine the quantity of labelled diagnostic composition successfully metabolised by said patient.

L'invention concerne une composition de diagnostic marquée destinée à détecter une propension à l'athérosclérose et à la coronaropathie, etc., ou la présence de ces maladies. Elle contient des composants qui imitent des caractéristiques essentielles d'une particule de transport de lipoprotéine exogène et permet une métabolisation par des voies physiologiques normales de façon qu'on puisse détecter au moins un métabolite marqué dans le sang ou les déchets corporels d'un patient objet d'un examen. Cette invention concerne aussi un procédé qui permet de déterminer une propension à l'athérosclérose ou à la coronaropathie, etc., ou la présence de ces maladies chez un patient, consistant à administrer audit patient une composition de diagnostic marquée qui imite des caractéristiques essentielles d'une particule de transport de lipoprotéine exogène et à mesurer la quantité d'un métabolite marqué dans un déchet corporel ou dans le sang de ce patient, pour déterminer la quantité de composition de diagnostic marquée métabolisée avec succès par le patient.

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