EGFR and non-small cell lung carcinoma: A non-targeted metabolomics technique using liquid chromatography/mass spectrometry was performed to investigate the metabolic response of NSCLC patients to EGFR-TKIs or PD-1/PD-L1 inhibitors and it was found that they could induce variations in the levels of amino acids, fatty acids, carnitine, and lipids [175].