Common Terminology Criteria for Adverse Events (CTCAE)

The Common Terminology Criteria for Adverse Events (CTCAE) is a standardized system used by healthcare professionals to describe and grade the side effects or reactions caused by medical treatments, especially in cancer care. It helps doctors communicate consistently about the severity of adverse events, ranging from mild (barely noticeable) to severe (life-threatening). This classification aids in monitoring, managing, and recording side effects accurately, ensuring patients receive appropriate care and that treatment outcomes are reliably tracked across different studies and clinics.