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Herceptin

British  
/ hərˈsɛptɪn /

noun

  1. a monoclonal antibody that inhibits the protein that can fuel tumour growth, used in the treatment of breast cancer

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Although the company’s three major biologics — Herceptin, Avastin, and Rituxan — have faced heavy competition from biosimilars, the company has shifted its growth strategy toward next-generation cancer treatments.

From Barron's Jun. 8, 2026

More traditional treatments attack both cancerous and healthy cells, but Herceptin goes after the root cause of a cancer’s growth by blocking the gene’s misbehaving proteins.

From Scientific American Nov. 3, 2023

Then a targeted treatment, trastuzumab, or Herceptin, completely changed the picture.

From New York Times Jul. 23, 2022

He added that Dr. Mendelsohn also played a key role in the development of Herceptin, a drug that “totally transformed the treatment of breast and many other cancers.”

From Washington Post Jan. 22, 2019

They used hybrids to create the first monoclonal antibodies, special proteins later used to create cancer therapies like Herceptin, and to identify the blood groups that increased the safety of transfusions.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot

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