Journal
INTERNATIONAL JOURNAL OF CANCER
Volume 153, Issue 2, Pages 252-264Publisher
WILEY
DOI: 10.1002/ijc.34366
Keywords
immune checkpoint inhibitors; mass spectrometry; PD-1; PD-L1 pathway; predictive biomarkers
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Monoclonal antibodies acting as immune checkpoint inhibitors are widely used in oncology, but precision medicine approaches for personalized treatment are underutilized. Mass spectrometric approaches, coupled with new sample preparation methods, have the potential to stratify patients and detect resistance early on, providing valuable information for precision medicine.
Monoclonal antibodies (mAbs) acting as immune checkpoint inhibitors (ICIs) are among the most frequently used immunotherapies in oncology. However, precision medicine approaches to adapt the treatment to the patient are still poorly exploited. Given the risk of severe adverse reactions, predicting patient eligibility for ICI therapy represents a great asset for precision medicine. Today, the extended panel of mass spectrometric approaches, accompanied by newly developed sample preparation methods is a strategy of choice for responder and non-responder stratification on a molecular basis, and early detection of resistance. In this perspective article, we review the biodisposition of mAbs, the interest in molecular stratification of patients treated with these mAbs, and the possible analytical strategies to achieve this goal, with a major emphasis on mass spectrometric approaches.
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