When dealing with cancer, finding the most effective treatments as early on as possible can be vital. A new blood test could help doctors determine just that. Scientists have come up with a way of analyzing blood that tells them within 24 hours whether or not targeted cancer therapy is having an effect on tumor growth. Suck a quick turnaround means that the treatment can be quickly adapted or rethought. Conventional procedures such as tumor imaging are not only expensive but also delayed. For these methods, treatment effectiveness can only be determined after weeks. Using the ExoSCOPE, we can directly measure the outcomes of drug effectiveness within 24 hours of treatment initiation, said Shao Huilin, biophysicist from the National University of Singapore.

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