Table.

SubtypeTreatment ArmDistribution, n (%)Median PFS, months, (95% CI)HRP Value
Luminal ARIB320 (48)29.60 (23.03-NA)0.63.0007
PBO222 (45)19.48 (15.61-24.80)
Luminal BRIB154 (23)22.21 (18.79-NA)0.52< .0001
PBO124 (25)12.85 (10.98414.82)
HER2-enrichedRIB95 (14)16.39 (12.71-24.6)0.39< .0001
PBO52 (11)5.52 (3.12-9.17)
BasalRIB16 (2)3.71 (1.91-13)1.15.77
PBO14 (3)3.58 (1.87-NA)
NormalRIB87 (13)22.34 (16.56-NA)0.47.0005
PBO76 (16)11.10 (7.39-16.56)
  • NA, not achieved.