Formal Response Assessment NCIWG Criteria (1996)a
Complete Responseb (CR) No detectable disease
Partial Responseb (PR) At least a 50% reduction in disease burden. Improvement in hematopoiesis of at least RBC, platelets or neutrophils
Progressive Disease (PD) 50% or more increase in disease burden
Stable Disease (SD) All others
a Cheson et.al. Blood, 1996
b CR and PR must persist for 2 months
125-005 and 125-009 Efficacy