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Key clinical point: Pyrotinib led to promising long-term outcomes and was well-tolerated in patients with human epidermal growth factor receptor 2-positive (HER2+) metastatic breast cancer (BC) and brain metastases (BM).
Major finding: In patients with BM, the overall median progression-free survival (PFS), considering both intracranial and extracranial lesions, was 7.50 months (95% CI 5.84-9.16) and median overall survival was 21.27 months (95% CI 20.10-22.44), with the median PFS not improving in patients who received vs did not receive radiotherapy (P = .319). Diarrhea (any grade) was the most common adverse event.
Study details: This real-world study included 239 patients with HER2+ metastatic BC who received pyrotinib-based therapy, of whom 61 patients had BM.
Disclosures: This study was supported by the keyAtlas precision medicine and clinical research project of Shanghai Science & Technology Development Foundation, China. The authors declared no conflicts of interest.
Source: Liang X et al. Long-term outcome analysis of pyrotinib in patients with HER2-Positive metastatic breast cancer and brain metastasis: A real-world study. Oncologist. 2023 (Aug 17). doi: 10.1093/oncolo/oyad228
Key clinical point: Pyrotinib led to promising long-term outcomes and was well-tolerated in patients with human epidermal growth factor receptor 2-positive (HER2+) metastatic breast cancer (BC) and brain metastases (BM).
Major finding: In patients with BM, the overall median progression-free survival (PFS), considering both intracranial and extracranial lesions, was 7.50 months (95% CI 5.84-9.16) and median overall survival was 21.27 months (95% CI 20.10-22.44), with the median PFS not improving in patients who received vs did not receive radiotherapy (P = .319). Diarrhea (any grade) was the most common adverse event.
Study details: This real-world study included 239 patients with HER2+ metastatic BC who received pyrotinib-based therapy, of whom 61 patients had BM.
Disclosures: This study was supported by the keyAtlas precision medicine and clinical research project of Shanghai Science & Technology Development Foundation, China. The authors declared no conflicts of interest.
Source: Liang X et al. Long-term outcome analysis of pyrotinib in patients with HER2-Positive metastatic breast cancer and brain metastasis: A real-world study. Oncologist. 2023 (Aug 17). doi: 10.1093/oncolo/oyad228
Key clinical point: Pyrotinib led to promising long-term outcomes and was well-tolerated in patients with human epidermal growth factor receptor 2-positive (HER2+) metastatic breast cancer (BC) and brain metastases (BM).
Major finding: In patients with BM, the overall median progression-free survival (PFS), considering both intracranial and extracranial lesions, was 7.50 months (95% CI 5.84-9.16) and median overall survival was 21.27 months (95% CI 20.10-22.44), with the median PFS not improving in patients who received vs did not receive radiotherapy (P = .319). Diarrhea (any grade) was the most common adverse event.
Study details: This real-world study included 239 patients with HER2+ metastatic BC who received pyrotinib-based therapy, of whom 61 patients had BM.
Disclosures: This study was supported by the keyAtlas precision medicine and clinical research project of Shanghai Science & Technology Development Foundation, China. The authors declared no conflicts of interest.
Source: Liang X et al. Long-term outcome analysis of pyrotinib in patients with HER2-Positive metastatic breast cancer and brain metastasis: A real-world study. Oncologist. 2023 (Aug 17). doi: 10.1093/oncolo/oyad228