👏 At the 2024 European Society for Medical Oncology (ESMO), ABION announced promising results regarding its drug, 'Bavamekip' (ABN401), which targets patients with MET overexpression using circulating tumor cells (CTCs) as biomarkers.
👉 Title: Concordances assessment between MET-positive circulating tumor cells and disease progression in patients with EGFR-mutated NSCLC
CTCs were isolated using GenoCTC® (Genobio Corp, Seoul, Republic of Korea). Cells were stained using the GenoCTC profiling kit (Genobio Corp), then visualized and analyzed using the BioView DeNovo system (BioView Inc., Israel), an automated imaging and analysis platform. Bavamekip is the only drug, provided directly by Janssen (which holds the global rights to Yuhan's 'Lecraza'), to enter combination therapy clinical trials.
The study focused on patients with EGFR-mutant non-small cell lung cancer (NSCLC). The detection of MET mutations, which are associated with resistance to EGFR-targeted therapies like Tagrisso and Lecraza, was achieved through CTC monitoring. This approach helps identify patients early who might benefit from Bavamekip and Lecraza combination therapy.
ABION's study, led by researchers from Samsung Medical Center, revealed that rising CTC levels are indicative of poor prognosis and emerging drug resistance, particularly to EGFR inhibitors. The use of CTCs allowed for early detection of MET-positive patients, improving the chances of addressing resistance promptly.
Additionally, ABION used its proprietary antibodies to capture MET-positive cells, marking the first study to isolate MET-overexpressing cells in lung cancer using protein antibodies. CTCs are considered a valuable tool for selecting patients for combination therapies and could also be used for companion diagnostics if correlations between CTC results and drug efficacy are confirmed.
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