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Targeting PIK3CA Mutations in HR+/HER2- Breast Cancer: New Insights from ReDiscover
Manage episode 514243127 series 3693267
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Host: Charles Turck, PharmD, BCPS, BCCCP
Guest: Sarah Sammons, MD
About 40 percent of patients with metastatic HR+/HER2- breast cancer have an activating mutation in the PIK3CA gene,1,2 which plays a key role not only in tumor growth, but also in driving resistance to endocrine therapy.3-5 And while there are several FDA-approved PI3K pathway-targeted agents for patients with PIK3CA tumor mutations,6-8 they come with challenges, like modest efficacy and on-pathway effects.9-12 Given this unmet need, the ReDiscover trial evaluated the investigational agent RLY-2608 in combination with fulvestrant in in patients with PIK3CA-mutated HR+/HER2- aBC previously treated with a CDK4/6 inhibitor.13 Joining Dr. Charles Turck to share updated safety and efficacy data from the trial is Dr. Sarah Sammons, a Senior Physician at the Dana-Farber Cancer Institute and an Assistant Professor of Medicine at Harvard Medical School in Boston. References: Vasan N, Cantley LC, Vasan N, Cantley LC. At a crossroads: how to translate the roles of PI3K in oncogenic and metabolic signalling into improvements in cancer therapy. Nat Rev Clin Oncol. 2022;19(7):471-485. doi:10.1038/s41571-022-00633-1 Network TCGA. Comprehensive molecular portraits of human breast tumours. Nature. 2012;490(7418):61-70. doi:10.1038/nature11412 Saal LH, Johansson P, Holm K, et al. Poor prognosis in carcinoma is associated with a gene expression signature of aberrant PTEN tumor suppressor pathway …
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Guest: Sarah Sammons, MD
About 40 percent of patients with metastatic HR+/HER2- breast cancer have an activating mutation in the PIK3CA gene,1,2 which plays a key role not only in tumor growth, but also in driving resistance to endocrine therapy.3-5 And while there are several FDA-approved PI3K pathway-targeted agents for patients with PIK3CA tumor mutations,6-8 they come with challenges, like modest efficacy and on-pathway effects.9-12 Given this unmet need, the ReDiscover trial evaluated the investigational agent RLY-2608 in combination with fulvestrant in in patients with PIK3CA-mutated HR+/HER2- aBC previously treated with a CDK4/6 inhibitor.13 Joining Dr. Charles Turck to share updated safety and efficacy data from the trial is Dr. Sarah Sammons, a Senior Physician at the Dana-Farber Cancer Institute and an Assistant Professor of Medicine at Harvard Medical School in Boston. References: Vasan N, Cantley LC, Vasan N, Cantley LC. At a crossroads: how to translate the roles of PI3K in oncogenic and metabolic signalling into improvements in cancer therapy. Nat Rev Clin Oncol. 2022;19(7):471-485. doi:10.1038/s41571-022-00633-1 Network TCGA. Comprehensive molecular portraits of human breast tumours. Nature. 2012;490(7418):61-70. doi:10.1038/nature11412 Saal LH, Johansson P, Holm K, et al. Poor prognosis in carcinoma is associated with a gene expression signature of aberrant PTEN tumor suppressor pathway …
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