The now-published results from the EMBRACA study confirm that  talazoparib (Pfizer), a poly-adenosine diphosphate-ribose polymerase (PARP) inhibitor,  prolongs progression-free survival (PFS) in patients with advanced BCRA-positive breast cancer compared with single-agent chemotherapy alone, and that it also significantly improves quality of life. “This is the largest randomized trial in BRCA mutation carriers [ever undertaken] and demonstrates PARP efficacy,”