BRCA1 and neoplasm: Tumor growth was monitored after treatment end in 3 PDX, 2 BRCA1-Me TNBC (b3977, b4122) and 1 BRCA1-Mut HGSOC (o10047) (Supplementary Figure 3B) Both BRCA1-Me TNBC resumed growth shortly after end of olaparib administration.