Companion diagnostics (CDx) are medical diagnostic tools designed to help identify patients who are most likely to benefit from a particular drug, or who may be at increased risk for serious side effects. These tests are integral to precision medicine, enabling tailored treatment strategies based on individual biomarkers or genetic profiles.

Key Features of companion diagnostics

Drug-Specific Utility:

CDx tests are often co-developed with a therapeutic drug and approved alongside it by regulatory agencies.

Biomarker-Based:

They detect specific genetic, protein, or molecular markers associated with the drug’s effectiveness or safety.

Personalized Treatment:

Ensure the right treatment is given to the right patient at the right time.