Sino Biopharm Reports Positive Phase III Results for Culmerciclib in Advanced Breast Cancer

Reuters
2025.10.20 22:10
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Sino Biopharmaceutical Limited reported positive interim results from its Phase III study (CULMINATE-2) of culmerciclib for HR+/HER2- advanced breast cancer. The study met its secondary endpoint, showing a median progression-free survival (PFS) not yet reached in the treatment group, compared to 22.0 months in the control group, indicating a 60% reduction in disease progression risk. The objective response rate was 59.3% in the treatment group versus 42.3% in the control group. Results were consistent across various subgroups, including those with poor prognosis.