Guardant Health Expands Tissue-Free Reveal Test to Include Late-Stage Therapy Response Monitoring

Core Insights - Guardant Health has expanded its Guardant Reveal® blood test to include late-stage therapy response monitoring for patients with solid tumors, utilizing over 20,000 epigenomic signals to measure circulating tumor DNA (ctDNA) levels [1][2][3] Group 1: Product Expansion and Technology - The expanded Guardant Reveal offering leverages proprietary epigenomic technology to predict therapy response across all treatment classes, including immunotherapy and chemotherapy, providing actionable insights within seven days [2][3] - The integration of therapy response monitoring into Guardant Reveal creates an end-to-end monitoring test that simplifies clinical workflows and enables faster decision-making with a simple blood draw [3][7] Group 2: Clinical Validation and Performance - Recent clinical validation studies indicate that Guardant Reveal can predict long-term patient benefits up to 18 months earlier than standard clinical measures for chemotherapy monitoring [3][4] - The RADIOHEAD study demonstrated that Guardant Reveal successfully detected responses to immunotherapy up to five months earlier than standard imaging, correlating decreases in tumor fraction with improved patient outcomes [4] Group 3: Physician Support and Management - A new universal ordering option has been launched, allowing physicians to order Guardant's comprehensive portfolio of products with a single click, enhancing flexibility and reducing administrative burdens [5]