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Re: Bad Pet. I need you.
If the onc is using pursuing a test of chemos on live cells (chemosensitivity as opposed to characteristics), my understanding is that the ordering oncologist picks from a list of available agents..this may be guided by the lab supervisor also. Unfortunately, the size of the tumor sample typically limits the number of chemos that can be tried. Since it's a test at a given point in the disease, I think it's important to focus on agents that you could actually gain access to...not investigational drugs with unknown timeline for availablity. Another issue in terms of not wasting time i.e. thinking ahead is that for actual chemosensitivity/functional profiling tests, they usually want a few weeks off therapy to prevent confounding test results.
For best feedback here, it would be good to find out exactly what test/lab your onc is considering.
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