Abstract

EFIRM Liquid Biopsy

David Wong, Director, University of California Los Angeles

We have developed a liquid biopsy technology “Electric Field Induced Release and Measurement (EFIRM)- Liquid Biopsy (eLB)” provides the most accurate detection (sensitivity, specificity and concordance) that can assist clinical treatment decisions for the most common subtype of lung cancer, non-small cell lung cancer (NSCLC), with tyrosine kinase inhibitors (TKI) that can extend the disease progress free survival period of these patients. eLB can detection ctDNA at single copy level whereas ddPCR detects ctDNA a minimum of 10 copy number. In addition eLB requires only 40 µl of sample volume, no sample processing, reaction time is 15min and can be performed at the point-of-care or high throughput reference lab using plasma or saliva. In two blinded independent clinical studies, eLB detects actionable EGFR mutations in NSCLC patients with >95% concordance with biopsy-based genotyping. eLB is minimally/ non-invasive detecting the most common EGFR gene mutations that are treatable with TKI such as Gefitinib or Erlotinib to effectively extend the progression free survival of lung cancer patients.