1 doctor weighed in:

Cea rising on irinotecan since started in October . 1 point increase each month . Cea 10 at present . Is chemo Not working ?

1 doctor weighed in
Dr. Myron Arlen
Surgery - Oncology

In brief: Possibly not working

Irinotecan is an antineoplastic agent that interferes with the production of proteins necessary for cancer cell growth and reproduction.
It is used primarily for treating cancer of the colon and rectum. While the CEA is of some value in monitoring one must be able to define if a rising marker does indicate drug failure. Here a PET/CAT scan can show if there is recurrence or progression of disease

In brief: Possibly not working

Irinotecan is an antineoplastic agent that interferes with the production of proteins necessary for cancer cell growth and reproduction.
It is used primarily for treating cancer of the colon and rectum. While the CEA is of some value in monitoring one must be able to define if a rising marker does indicate drug failure. Here a PET/CAT scan can show if there is recurrence or progression of disease
Dr. Myron Arlen
Dr. Myron Arlen
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