A blood test could predict who benefits from immunotherapy – Science Codex

A test which detects changing levels of tumour fragments in the blood may be an easy, non-invasive and quick way to predict who will benefit from immunotherapy, a treatment option for advanced cancers.
Although immunotherapy has been shown to shrink tumours and prolong survival for patients for whom other treatments have failed, about 20-30% of patients benefit from it. Clinicians don’t yet know ahead of time who this subset of patients is.
Understanding this is crucial, since immunotherapy c…

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