publication date: Sep. 7, 2018
Clinical Roundup SOLAR-1 trial of Novartis meets primary endpoint in HR+/HER2- advanced breast cancer
Novartis said the global phase III SOLAR-1 trial evaluating the investigational alpha-specific PI3K inhibitor BYL719 (alpelisib) has met the primary endpoint showing an improvement in progression-free survival.
SOLAR-1 is evaluating BYL719 in combination with fulvestrant compared to fulvestrant alone in postmenopausal women and men with hormone-receptor positive, human epidermal growth factor receptor-2 negative PIK3CA-mutant advanced or metastatic breast cancer that progressed on or following aromatase inhibitor treatment with or without a CDK4/6 inhibitor.
There are no approved PI3K inhibitors for HR+ advanced breast cancer. The PI3K pathway plays an important role in regulating cell processes and is the most frequently altered pathway promoting tumor growth, disease progression and treatment resistance in HR+ advanced breast cancer.
Adverse events observed with investigational BYL719 in combination with fulvestrant in SOLAR-1 were generally consistent with those observed in previous BYL719 and fulvestrant studies. The SOLAR-1 trial will continue to assess data for secondary endpoints. Novartis will begin discussions with global health authorities based on these results.
Studies have established the role of PI3K signaling in several processes critical for cancer progression, including cell metabolism, growth, survival and motility. Activation of the PI3K pathway in breast cancer is associated with resistance to endocrine therapy, disease progression … Continue reading SOLAR-1 trial of Novartis meets primary endpoint in HR+/HER2- advanced breast cancer
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