Mtor pathway theranostic

G - Physics – 01 – N

Patent

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Details

G01N 33/68 (2006.01) A61K 38/45 (2006.01)

Patent

CA 2626456

This invention relates, e.g., to a method for predicting a subject's response to a chemotherapeutic agent and/or the subject's prognosis, comprising measuring the phosphorylation state of at least one member of the mTOR pathway, and/or of at least one member of an interconnected polypeptide pathway (e.g. a member of the Akt pathway or a member of the IRS pathway), compared to a baseline value, in a cancer tissue or cancer cell sample from the subject, wherein an elevated level of the phosphorylation state compared to the baseline value indicates that the subject is a non-responder to the chemotherapeutic agent and/or has a poor prognosis. Also described is a method for treating a cancer in a subject in need thereof, wherein the subject exhibits an elevated level of the phosphorylation state, comprising administering one or more inhibitors of the mTOR and/or an interconnected pathway.

La présente invention concerne, par exemple, un procédé permettant de prédire la réaction d~un sujet à un agent chimiothérapeutique et/ou le pronostic du sujet, consistant à mesurer l~état de phosphorylation d~au moins un élément de la voie mTOR, et/ou d~au moins un élément d~une voie polypeptide interconnectée (par exemple un élément de la voie Akt ou un élément de la voie IRS), comparé à une valeur de référence, dans un échantillon de tissu cancéreux ou de cellule cancéreuse prélevé sur le sujet, un niveau élevé de l~état de phosphorylation comparé à la valeur de référence indiquant que le sujet ne réagit pas à l~agent chimiothérapeutique et/ou présente un pronostic négatif. L~invention concerne également un procédé de traitement d~un cancer chez un sujet nécessitant ledit traitement, caractérisé en ce que le sujet présente un niveau élevé de l~état de phosphorylation, consistant à administrer un ou plusieurs inhibiteurs de la voie mTOR et/ou d'une voie interconnectée.

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