highly significantP = 0.004
We tested drug-drug interactions for three pairs: KP372-1 + rucaparib, KP372-1 + olaparib, and KP372-1 + talazoparib, all of which showed highly significant effect of synergy (η = 0.472, P = 0.004; η = 0.453, P = 0.002; η = 0.613, P = 0.009, respectively).