Buy Herceptin Online is the second top selling cancer drug, Herceptin (trastuzumab) another monoclonal antibody developed by Roche. The breast cancer drug is administered via injection and works by attaching itself to HER2 receptors on cancer cells to stop them from growing. Boasting a very high survival rate, Roche is currently looking to improve efficacy further by developing combination drugs. Back in 2017, various biopharmaceutical companies were granted permission to begin making Herceptin biosimilars that are now becoming accessible in large markets worldwide. In 2018, biosimilars Tranzimera (USA) and Ontruzant (Europe) were approved, providing more access for patients to this life-saving drug.
Herceptin (chemical name: trastuzumab) can be used to treat HER2-positive breast cancer that is either early-stage or advanced-stage/metastatic.
Herceptin is currently approved by the U.S. Food and Drug Administration:
- to treat metastatic HER2-positive breast cancer to stop the cancer from growing
- to treat earlier stages of HER2-positive breast cancer, either as part of a regimen with chemotherapy or alone after a chemotherapy regimen that includes an anthracycline, to reduce the risk of the breast cancer coming back (recurrence)
How Herceptin works
Cancer cells grow in an uncontrolled fashion. Herceptin works on the surface of the cancer cell by blocking the chemical signals that can stimulate this uncontrolled growth.
Genes are like instruction manuals that tell each cell of your body how to grow, what kind of cell to become, and how to behave. Genes do this by ordering the cell to make special proteins that cause a certain activity — such as cell growth, rest, or repair.
Some cancer cells have abnormalities in genes that tell the cell how much and how fast to grow. Sometimes the cancer cells have too many copies of these genes with abnormalities. When there are too many copies of these genes, doctors refer to it as “overexpression.” With some forms of gene overexpression, cancer cells will make too many of the proteins that control cell growth and division, causing the cancer to grow and spread.
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