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herceptin and tykerb are both targeted therapies for her2+ however the work differently. herceptin targets the receptors on the outside of the cancer cells while tykerb enters the cell and tries to destroy it from there. very simplistic explanation.
i am curious though. i'm supposed to be on xeloda and tykerb. stopped xeloda after 1 week temporarily i think. i thought with stage IV these were given (especially tykerb) indefinitely until it stopped working. that's what was done with herceptin. i got mets and then continued to progress on herceptin so it was stopped. i've read posts from some ladies saying they were on one or the other for short periods of time. was that because of tolerance problems or effectiveness. i thought once i stage IV i would be on something until the end. i'm getting more and more confused but of course since i started these drugs my brain is shot ...and i was feeling so well before mets or no mets.
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Hybrid Mode
