companion diagnostics

Companion diagnostics are tests designed to help determine whether a specific treatment will be effective for a patient. They analyze the patient's unique characteristics—such as genetic markers or biomarkers—related to a particular disease, often cancer. By identifying these factors, companion diagnostics guide healthcare providers in selecting the most suitable therapy, ensuring better outcomes and minimizing unnecessary side effects. Essentially, they personalize medicine, tailoring treatments to individual needs based on precise biological information.