Standardised criteria for measuring tumour response to therapy
Expansion
Response Evaluation Criteria in Solid Tumours
Purpose
Defines complete response, partial response, stable disease, and progressive disease based on imaging measurements
Clinical Context
RECIST version 1.1: greater than or equal to 30 percent sum reduction equals partial response, greater than or equal to 20 percent sum increase equals progressive disease, otherwise stable. Standard in oncology trials.
Related Terms
- mRECIST
- PERCIST
Key Points
- RECIST version 1.1 measures longest diameter of target lesions; sum changes classify response