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HER2Human EGF (Epidermal Growth Factor) Receptor 2 (oncology)
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Combination therapy with agents that address different and complementary pathways, with neratinib targeting the HER2 kinase and DS-8201 providing an innovative targeted delivery of a potent cytotoxic, represents an intriguing approach to the treatment of HER2 mutated tumors and helps to maximize the potential for both agents in treating cancers with a HER2 mutation.
Classification of breast cancer and, hence, treatment are determined by the immunohistochemical (IHC) profile of ER, progesterone receptor (PR), and HER2.
HER2 positive cells directly contribute to pathogenesis and aggressiveness of the diseases.
Breast cancer subtypes based on ER/PR and HER2 expression: comparison of clinicopathologic features and survival.
The guideline provides recommendations about appropriate HER2 testing for patients at key decision points throughout their cancer therapy to determine if they are eligible for targeted therapy.
Dr Zech explains: "Our initial research has found that in order for the HER2 protein to stimulate the growth and spread of breast tumours, it needs to be on the surface of the cell.
Pertuzumab is the first in a new class HER2 dimerization inhibitor.
PTP1B has been shown to play a critical role in the development of tumors in which HER2 signaling is aberrant.
We believe we can exploit the novel binding of IgNAR and use it to stop HER2 and HER3 molecules from working, and prompting cancer cells to grow and divide.
Clinical-testing guidelines recommended by the American Society of Clinical Oncology (ASCO) (3) and the College of American Pathologists (CAP) to increase the diagnostic accuracy of assessing HER2 status include using a combination of immunohistochemistry (IHC) and fluorescence in situ hybridization (FISH) testing (5).
Most existing treatments for HER2-positive breast cancer focus on targeting HER2 itself, so one possible advantage of nelfinavir is that it could inhibit cancer cells that have mutated to escape other drugs.