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The fixed-dose combination of pertuzumab, trastuzumab, and hyaluronidase was approved for medical use in the United States in June 2020. [5] [10]The FDA's approval was based on the results of a non-inferiority study in participants with HER2-positive early breast cancer, which demonstrated the fixed-dose combination of pertuzumab, trastuzumab, and hyaluronidase had comparable efficacy and ...
[1] [2] It is a combination of trastuzumab and hyaluronidase. [ 1 ] [ 2 ] [ 3 ] The most common adverse reactions include fatigue, arthralgia, diarrhea, injection site reaction , upper respiratory tract infection, rash, myalgia, nausea, headache, edema, flushing, pyrexia, cough, and pain in extremity.
Pertuzumab is administered as an intravenous infusion in combination with trastuzumab and docetaxel as a first line treatment for HER2-positive metastatic breast cancer. [4] [3] It is also used in the same combination as a neoadjuvant (given to reduce the size of a tumor, prior to surgery or radiation) for HER2-positive early breast cancer; as of 2016 this use had not been shown to increase ...
Trastuzumab downregulates neuregulin-1 (NRG-1), which is essential for the activation of cell survival pathways in cardiomyocytes and the maintenance of cardiac function. NRG-1 activates the MAPK pathway and the PI3K/AKT pathway as well as focal adhesion kinases (FAK). These are all significant for the function and structure of cardiomyocytes.
Four different purified hyaluronidases have been approved for use in the United States, three of animal origin and one recombinant. They are indicated as adjuvants in subcutaneous fluid administration for achieving hydration, for increasing the dispersion and absorption of other injected drugs, or for improving resorption of radiopaque agents, in subcutaneous urography.
Results showed that patients treated with trastuzumab emtansine had a median progression-free survival of 9.6 months compared to 6.4 months in patients treated with lapatinib plus capecitabine. [18] The median overall survival was 30.9 months in the trastuzumab emtansine group and 25.1 months in the lapatinib plus capecitabine group. [18]
Participants were randomized 1:1 to receive either trastuzumab deruxtecan or trastuzumab emtansine by intravenous infusion every three weeks until unacceptable toxicity or disease progression. [16] Randomization was stratified by hormone receptor status, prior treatment with pertuzumab, and history of visceral disease. [16]
Tucatinib is a kinase inhibitor indicated in combination with trastuzumab and capecitabine for the treatment of adults with advanced unresectable or metastatic HER2-positive breast cancer, including those with brain metastases, who have received one or more prior anti-HER2-based regimens in the metastatic setting.