CANCER patients will be offered a blood test which aims to tailor treatments to avoid toxic side-effects.
The approach detects if they are genetically prone to suffering the worst effects of chemotherapy drugs.
It will work for fluoropyrimidines, which around 38,000 patients are put on each year. Four in ten have severe reactions — and one in 100 die.
The test will tell patients if they are likely to have side-effects – which could include vomiting, diarrhoea, breathlessness and severe skin reactions.
Those who discover they are likely to suffer toxic effects will be able to opt for a different method of tackling tumours.
The test, previously only available at a few hospitals, is being rolled out across the country by NHS England and NHS Improvement.
Breast Cancer Now called it a “welcome step” towards ensuring the “kindest” modes of treatment are used.
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