March 26, 2026
Multi companion diagnostic (CDx) validation is crucial for advancing precision medicine in global drug development. By verifying that diagnostic tests accurately identify patients likely to benefit from specific treatments, CDx validation enables targeted therapies and personalized medicine. This process often involves validating multiple assays that detect distinct biomarkers, each linked to different therapeutic approaches or disease subtypes. When done effectively, this multi-CDx validation contributes to better patient stratification, streamlined clinical trial execution and improved regulatory alignment across regions.