Adding PARP Inhibitor to Immune Checkpoint Blockade Improves Responses in Ovarian Cancer with BRCA Mutations
Ovarian cancers with BRCA mutations are less immunogenic than other DNA repair–deficient tumors. Targeting the DNA damage response using PARP inhibitors may help to improve the modest responses of ovarian cancer seen with single-agent immune checkpoint inhibitors.
First-Line Olaparib a New Standard in Women with Newly Diagnosed, BRCA-Positive Advanced Ovarian Cancer?
Long-term therapy with olaparib (Lynparza), a poly (ADP ribose) polymerase (PARP) inhibitor, in women with newly diagnosed advanced ovarian cancer and a BRCA1 or BRCA2 mutation led to a significant, unprecedented improvement in progression-free survival (PFS), reducing the risk for disease progression or death by 70% compared with placebo, according to results of the phase 3 SOLO-1 clinical trial.
Zejula (Niraparib) First PARP Inhibitor Approved for Maintenance Treatment of Recurrent Ovarian, Fallopian Tube, or Primary Peritoneal Cancer
In ovarian epithelial cancer, fallopian tube cancer, and primary peritoneal cancer, malignant cells form in the tissue covering the ovary or lining the fallopian tube or peritoneum. According to the American Cancer Society, in 2017 more than 22,000 women in the United States were estimated to be diagnosed with these cancers and more than 14,000 to die from them.
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