January 19, 2026
When tumor tissue is limited or unavailable, precision oncology can still deliver answers. Once viewed only as a backup to tissue testing, liquid biopsy use cases continue to expand in both clinical trials and patient diagnostics. By analyzing circulating tumor DNA (ctDNA) from a simple blood draw, liquid biopsy-based comprehensive genomic profiling (CGP) offers a scalable, non-invasive solution that expands access to biomarker testing, even in patients with limited biopsy options.Ellen Verner, senior manager, CLIA analysis at Labcorp’s CAP/CLIA oncology laboratory in Baltimore, MD, U.S., shared how the liquid biopsy-based Labcorp® Plasma Complete test addresses real-world challenges and supports clinical and biopharma research efforts alike.