Monitoring cancer stem cells

C - Chemistry – Metallurgy – 12 – Q

Patent

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Details

C12Q 1/06 (2006.01) A61K 49/00 (2006.01) A61K 51/10 (2006.01) G01N 33/574 (2006.01)

Patent

CA 2698597

The present invention is directed to methods of monitoring cancer stem cells in patients undergoing cancer therapy to determine whether the cancer therapy is an effective cancer therapy. The present invention relates to methods for monitoring the amount of cancer stem cells prior to, during, and/or following cancer treatment of a patient. In particular, the methods provide measuring the amount of cancer stem cells i) in a sample obtained from a patient and/or ii) in a patient via in vivo imaging, e.g. at different time points before, during or after a treatment regimen for cancer. The change in amount of cancer stem cells over time allows the physician to judge the effectiveness of the treatment regimen and then to decide to continue, alter, or halt the treatment regimen if need be. The present invention also provides kits for monitoring cancer stem cells prior to, during, and/or following cancer treatment of a patient. The present invention also provides for a method of treatment of cancer, wherein such method involves the use of a therapeutic agent that stabilizes or reduces the amount of cancer stem cells in or from a patient.

La présente invention concerne des méthodes de surveillance de cellules souches cancéreuses chez des patients soumis à une thérapie anticancéreuse, destinées à déterminer si ladite thérapie anticancéreuse est efficace. Elle concerne également des méthodes de surveillance de la quantité de cellules souches cancéreuses avant, pendant et/ou après traitement d'un cancer chez un patient. En particulier, ces méthodes consistent à: mesurer la quantité de cellules souches cancéreuses: i) dans un échantillon prélevé chez un patient; et/ou ii) chez un patient par imagerie in vivo, par exemple, à différents moments dans le temps avant, pendant et/ou après un régime de traitement contre un cancer. Le changement de la quantité de cellules souches cancéreuses au fil du temps permet au médecin de déterminer l'efficacité du régime de traitement et de décider de continuer, de modifier ou d'arrêter le régime de traitement, le cas échéant. L'invention concerne également des trousses de surveillance de cellules souches cancéreuses avant, pendant et/ou après traitement d'un cancer chez un patient. Elle concerne en outre une méthode de traitement du cancer consistant à utiliser un agent thérapeutique qui stabilise ou réduit la quantité de cellules souches cancéreuses chez un patient.

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