New Study Validates Guardant Reveal Blood Test’s Effectiveness in Monitoring Chemotherapy Response
✨ Onyx Summary Guardant Health released new data showing that its Guardant Reveal blood test can detect chemotherapy effectiveness in patients with advanced solid tumors months earlier than conventional methods, using a tissue-free, methylation-based ctDNA tumor fraction signal. Published in the Journal of Liquid Biopsy, the study found that decreases in