Reagents and methods for the quantification of amitriptyline...

C - Chemistry – Metallurgy – 07 – K

Patent

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C07K 16/44 (2006.01) A61K 39/385 (2006.01) C07D 223/28 (2006.01) C07D 405/12 (2006.01) C09B 57/00 (2006.01) G01N 33/53 (2006.01) G01N 33/532 (2006.01) G01N 33/533 (2006.01) G01N 33/94 (2006.01)

Patent

CA 2110917

Immunoassay methods and reagents for the specific quantification of amitriptyline or nortriptyline in a test sample are disclosed employing antibodies prepared with amitriptyline or nortriptyline derivatives of formula (III), wherein for amitriptyline, R is CH3, and for nortriptyline, R is H. The present invention also describes the synthesis of unique fluorescein tracers of the structure of formula (IV) and formula (V), wherein for a specific amitriptyline immunoassay, W 1 is a heteroatom linked to the aromatic ring at the 2 or 3 position, and for a specific nortriptyline immunoassay, W 2 is two heteroatoms linked together and attached to the aromatic ring at the 2 or 3 position, and wherein Q is a detectable moiety, preferably fluorescein or a fluorescein derivative.

Méthodes de dosage immunologique et réactifs pour le dosage spécifique de l'amitriptyline ou de la nortriptyline dans un échantillon qui utilisent des anticorps préparés avec des dérivés d'amitriptyline ou de nortriptyline de la formule (III), où R est CH3 pour l'amitriptyline, et R est H pour la nortriptyline. La présente invention concerne également la synthèse de marqueurs uniques à la fluorescéine de la structure de la formule (IV) et de la formule (V), où pour un dosage immunologique spécifique de l'amitriptyline, W1 est un hétéroatome lié au noyau aromatique en position 2 ou 3 et, pour un dosage immunologique spécifique de la nortriptyline, W2 est fait de 2 hétéroatomes liés ensemble et attachés au noyau aromatique en position 2 ou 3, et où Q est une fraction détectable, de préférence de la fluorescéine ou un dérivé de la fluorescéine.

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