poly ADP-ribose polymerase (PARP) inhibitor
olaparib
es-BC - Triple negatif (TNBC) - (neo)adjuvant (NA)
es-BC - TNBC - NA - all population 5   
es-BC - TNBC - NA - PDL1 positive 1
Comparator:  vs placebo; 
Risk of bias:  low;   some concerns;   high;  NA;