For many cancer patients, chemotherapy can be worse than cancer itself. A patient may respond to one drug but not another - or the tumor may mutate and stop responding to the drug - resulting in months of wasted time, ineffective treatment and toxic side effects. Now UCLA scientists have tested a non-invasive approach that may one day allow doctors to evaluate a tumor's response to a drug before prescribing therapy, enabling physicians to quickly pinpoint the most effective treatment. (source: newsroom.ucla.edu)
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