Posted 5/24/2013 by hhill
All of us have heard the buzz around "targeted therapies", and most of it is good. The simplistic definition is that these are molecular agents that are designed to attack a particular part of a breast (or other) cancer cell. Rather than trying to kill the whole cell all at once, as does chemotherapy, a targeted therapy uses stealth to depower or kill or otherwise ruin a single tiny part that then makes the whole cell inoperable--or dead. Think of tamoxifen (perhaps the first targeted therapy although it wasn't called that) and ER positive breast cancers or, more recently, herceptin and her2 positive ones.
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