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Breast Cancer

Two human genes, BRCA1 and BRCA2 (BRCA1/2), produce proteins that block the growth of cancer, such as breast or ovarian cancer. These proteins ensure the stability of each cell’s genetic material and help to repair damaged DNA. A mutation in either BRCA results in these proteins not functioning correctly. Specifically, DNA damage may not be repaired effectively, which can lead to cancer.
On May 3, 2019, the US Food and Drug Administration (FDA) approved ado-trastuzumab emtansine (Kadcyla; Genentech) for the adjuvant treatment of patients with HER2-positive early breast cancer who have residual invasive disease after neoadjuvant taxane and trastuzumab-based treatment. Patients should be selected for treatment with this agent based on an FDA-approved companion diagnostic test (Ventana Medical System’s PATHWAY anti-HER-2/neu [4B5] Rabbit Monoclonal Primary Antibody assay or INFORM HER2 Dual ISH DNA Probe Cocktail assay).
On April 4, 2019, the US Food and Drug Administration (FDA) expanded the indication of palbociclib (Ibrance; Pfizer), a kinase inhibitor, in combination with specific endocrine therapies for men with hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced or metastatic breast cancer. This is the first hormonal-based therapy to be approved for men.
On March 27, 2019, the US Food and Drug Administration (FDA) issued an alert from its Office of Women’s Health announcing that, after more than 20 years of regulatory oversight, the agency is proposing amendments to the existing policy governing mammography services.
Omega-3 fatty acids significantly reduced aromatase inhibitor (AI)-induced joint pain in obese women with breast cancer, according to a new retrospective analysis of the SWOG S0927 study, a 24-week, randomized, controlled clinical trial that compared omega-3 fatty acids and placebo in patients with AI-related arthralgia.
A new study presented at the 2018 American Association for Cancer Research meeting suggests that HER2 mutations can be acquired during metastatic cancer and their development represents a previously unreported mechanism of resistance to treatment.
A new study presented at the 2018 American Association for Cancer Research meeting suggests that HER2 mutations can be acquired during metastatic cancer and their development represents a previously unreported mechanism of resistance to treatment.
Dr Thomas Bachelot is careful to set reasonable expectations for his patients with HR+/HER2- metastatic breast cancer regarding how long their treatment will last and how it will impact them.
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