Definitions for "Surrogate endpoint"
A laboratory measurement of some biological indicator of a drug's effectiveness, used in place of longer-term outcome measures.
a biomarker (such as the level of cholesterol in the blood) that can substitute for a clinical endpoint (such as a heart attack)
a laboratory finding or physcal sign that may not in itself be a direct measurement of how a patient feels, functions, or survives, but nevertheless, is considered likely to predict therapeutc benefit