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Key clinical point: In patients with locally advanced or metastatic human epidermal growth factor receptor 2 (HER2)-negative, BRCA germline-mutated breast cancer, poly (ADP-ribose) polymerase (PARP) inhibitors improve progression-free survival (PFS), overall survival (OS), and tumor response rate.
Major findings: A PARP-containing regimen showed a small advantage in OS (hazard ratio, 0.87; 95% confidence interval, 0.76-1.00) vs. non-PARP regimen. PARP inhibitors improved PFS (hazard ratio, 0.63; P less than .00001) and tumor response rate (66.9% vs. 48.9%). The rate of grade 3 or higher adverse events was not significantly different in the PARP-containing vs. non-PARP regimen.
Study details: A meta-analysis of 5 randomized controlled trials comparing PARP-containing and non-PARP regimens in patients with locally advanced or metastatic breast cancer.
Disclosures: The funding source for this meta-analysis was not identified. Some of the authors received honoraria, research funding, compensation, financial support, consulting fees, and/or grants outside this work. Dr. Redfern is the Principal Investigator on the Brightness trial and served on the advisory board of AstraZeneca and Pfizer.
Source: Taylor AM. Cochrane Database Syst Rev. 2021 Apr 22. doi: 10.1002/14651858.CD011395.pub2.
Key clinical point: In patients with locally advanced or metastatic human epidermal growth factor receptor 2 (HER2)-negative, BRCA germline-mutated breast cancer, poly (ADP-ribose) polymerase (PARP) inhibitors improve progression-free survival (PFS), overall survival (OS), and tumor response rate.
Major findings: A PARP-containing regimen showed a small advantage in OS (hazard ratio, 0.87; 95% confidence interval, 0.76-1.00) vs. non-PARP regimen. PARP inhibitors improved PFS (hazard ratio, 0.63; P less than .00001) and tumor response rate (66.9% vs. 48.9%). The rate of grade 3 or higher adverse events was not significantly different in the PARP-containing vs. non-PARP regimen.
Study details: A meta-analysis of 5 randomized controlled trials comparing PARP-containing and non-PARP regimens in patients with locally advanced or metastatic breast cancer.
Disclosures: The funding source for this meta-analysis was not identified. Some of the authors received honoraria, research funding, compensation, financial support, consulting fees, and/or grants outside this work. Dr. Redfern is the Principal Investigator on the Brightness trial and served on the advisory board of AstraZeneca and Pfizer.
Source: Taylor AM. Cochrane Database Syst Rev. 2021 Apr 22. doi: 10.1002/14651858.CD011395.pub2.
Key clinical point: In patients with locally advanced or metastatic human epidermal growth factor receptor 2 (HER2)-negative, BRCA germline-mutated breast cancer, poly (ADP-ribose) polymerase (PARP) inhibitors improve progression-free survival (PFS), overall survival (OS), and tumor response rate.
Major findings: A PARP-containing regimen showed a small advantage in OS (hazard ratio, 0.87; 95% confidence interval, 0.76-1.00) vs. non-PARP regimen. PARP inhibitors improved PFS (hazard ratio, 0.63; P less than .00001) and tumor response rate (66.9% vs. 48.9%). The rate of grade 3 or higher adverse events was not significantly different in the PARP-containing vs. non-PARP regimen.
Study details: A meta-analysis of 5 randomized controlled trials comparing PARP-containing and non-PARP regimens in patients with locally advanced or metastatic breast cancer.
Disclosures: The funding source for this meta-analysis was not identified. Some of the authors received honoraria, research funding, compensation, financial support, consulting fees, and/or grants outside this work. Dr. Redfern is the Principal Investigator on the Brightness trial and served on the advisory board of AstraZeneca and Pfizer.
Source: Taylor AM. Cochrane Database Syst Rev. 2021 Apr 22. doi: 10.1002/14651858.CD011395.pub2.