Testing cancer drugs on miniature replicas of a patient’s tumour could help doctors tailor treatment. Researchers treated the lab-grown mini tumours with a range of drugs. The approach found a drug that had a chance of shrinking a patient’s tumour in almost 9 in 10 cases.

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Testing cancer drugs on miniature replicas of a patient’s tumour could help doctors tailor treatment. Researchers treated the lab-grown mini tumours with a range of drugs. The approach found a drug that had a chance of shrinking a patient’s tumour in almost 9 in 10 cases.