...metastatic or locally advanced unresectable HER2-negative breast cancer and deleterious or suspected deleterious gBRCA1 or gBRCA2 mutations...patients had received ≥1 dose of open-label crossover veliparib monotherapy after progression...Median PFS was numerically longer for the BRCA2 [4.2 months (95% CI, 2.1–7.3)] and hormone receptor–positive [2.7 months (95% CI, 2.1–6.0)] subgroups...within each subgroup, there were patients who were progression free for 12 months or longer (BRCA1, 2 patients; BRCA2, 3 patients; TNBC, 3 patients; hormone receptor positive, 2 patients...