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Immunotherapy

Molecular fingerprint could predict lung cancer patients who will respond to immunotherapy

A study reveals that the transcriptional programme of tumour-infiltrating T cells in lung cancer might inform personalised immunotherapeutic treatment strategies.

Micrograph of T cells attacking cancer cell

Source: Steve Gschmeissner / Science Photo Library

Profiling tumour-infiltrating T cells at baseline could be used to select immunotherapy for lung cancer patients, study finds. 

Immunotherapy is becoming an increasingly important cancer therapy, but only around 30% of patients benefit from it. Previous research indicated that the level of cytotoxic T-cell infiltration into the tumour might predict treatment response.

In a recent paper, researchers studied cytotoxic T cells taken from treatment-naive patients with lung cancer.

They found that tumours that were densely infiltrated with cytotoxic T cells had a distinct pattern of gene expression associated with a type of tissue-resident memory cell and this was also associated with enhanced cytotoxicity. Furthermore, an increased number of tissue-resident memory cells in tumour tissue was independently associated with lung cancer survival, regardless of the level of T-cell infiltration.

Reporting in Nature Immunology[1] (online, 19 June 2017), the researchers say that profiling tumour-infiltrating T cells at baseline could be used to select immunotherapy for lung cancer patients.

Citation: Clinical Pharmacist DOI: 10.1211/CP.2017.20203195

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  • Micrograph of T cells attacking cancer cell

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