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Key clinical point: Despite showing efficacy in specific subgroups, immune checkpoint inhibitors (ICIs) are unlikely to benefit most women with metastatic breast cancer.
Major finding: Objective response rates were 19% overall, 27% in PD-L1 positive patients, 18% in PD-L1 negative patients, 28% in HER2-positive breast cancer, 23% in triple-negative breast cancer, 35% when used in the first line, 26% when combined with systemic therapy, and 9% when used as monotherapy.
Study details: Meta-analysis of 27 studies of metastatic breast cancer (1,746 patients).
Disclosures: The study was funded by the National Natural Science Foundation of China. The investigators reported having no conflicts.
Citation: Zou Y et al. Ther Adv Med Oncol. 2020 Aug 17. doi: 10.1177/1758835920940928
Key clinical point: Despite showing efficacy in specific subgroups, immune checkpoint inhibitors (ICIs) are unlikely to benefit most women with metastatic breast cancer.
Major finding: Objective response rates were 19% overall, 27% in PD-L1 positive patients, 18% in PD-L1 negative patients, 28% in HER2-positive breast cancer, 23% in triple-negative breast cancer, 35% when used in the first line, 26% when combined with systemic therapy, and 9% when used as monotherapy.
Study details: Meta-analysis of 27 studies of metastatic breast cancer (1,746 patients).
Disclosures: The study was funded by the National Natural Science Foundation of China. The investigators reported having no conflicts.
Citation: Zou Y et al. Ther Adv Med Oncol. 2020 Aug 17. doi: 10.1177/1758835920940928
Key clinical point: Despite showing efficacy in specific subgroups, immune checkpoint inhibitors (ICIs) are unlikely to benefit most women with metastatic breast cancer.
Major finding: Objective response rates were 19% overall, 27% in PD-L1 positive patients, 18% in PD-L1 negative patients, 28% in HER2-positive breast cancer, 23% in triple-negative breast cancer, 35% when used in the first line, 26% when combined with systemic therapy, and 9% when used as monotherapy.
Study details: Meta-analysis of 27 studies of metastatic breast cancer (1,746 patients).
Disclosures: The study was funded by the National Natural Science Foundation of China. The investigators reported having no conflicts.
Citation: Zou Y et al. Ther Adv Med Oncol. 2020 Aug 17. doi: 10.1177/1758835920940928