May 05, 2026
Topline phase 3 VIKTORIA-1 results showed gedatolisib combinations improved progression-free survival versus alpelisib plus fulvestrant in PIK3CA-mutant HR-positive/HER2-negative advanced breast cancer. Celcuity plans a supplemental FDA filing based on the data.
May 01, 2026
FDA's ODAC voted 6-3 against AstraZeneca's camizestrant for HR+/HER2- metastatic breast cancer, citing uncertain clinical benefit from the SERENA-6 trial design. The FDA raised concerns about the early-switch treatment paradigm and long-term outcomes.
Apr 02, 2026
The SONIA trial found no overall survival benefit for first-line CDK4/6 inhibitors versus second-line use in advanced HR+/HER2- breast cancer. Median survival was 47.9 vs 48.1 months, though post hoc analysis suggested benefit in premenopausal patients. First-line treatment was associated with more severe adverse events.
Apr 01, 2026
Multiple phase 3 breast cancer trials reported significant findings in early 2026, including positive results for novel therapies across different subtypes. Key data includes progression-free survival benefits for palbociclib in HR-positive, HER2-positive advanced breast cancer and investigations of antibody-drug conjugates and combination therapies. Full trial findings are expected to be presented at upcoming medical meetings.
Mar 21, 2026
Trastuzumab deruxtecan is moving into earlier treatment lines for HER2-positive metastatic breast cancer, demonstrating superior efficacy over standard regimens and prompting reconsideration of long-standing treatment sequences.
Mar 20, 2026
Recent developments in breast cancer treatment include new clinical trials for advanced disease, findings on CDK4/6 inhibitor sequencing, and discovery of genetic markers explaining drug resistance in HER2-positive breast cancer.
Mar 13, 2026
Recent studies examine self-management strategies for breast cancer treatment-related cardiotoxicity and highlight risks of vertebral fractures after discontinuing denosumab therapy in patients receiving aromatase inhibitors.
Mar 10, 2026
Roche's experimental breast cancer pill giredestrant combined with a CDK4/6 inhibitor failed to meet its primary endpoint in a Phase III trial for first-line treatment of ER-positive, HER2-negative advanced breast cancer, marking a setback for the drugmaker's next-generation hormone therapy program.
Feb 20, 2026
The FDA has accepted Roche's New Drug Application for giredestrant plus everolimus to treat ESR1-mutated, ER-positive advanced breast cancer, with a decision expected by December 18, 2026. The filing is based on phase III data showing significant reductions in disease progression risk.