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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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Roche’s purchase of Genentech was a triumph, securing control of such cancer blockbusters as Avastin and Herceptin.

From The Wall Street Journal ● Aug. 6, 2026

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

The plant makes drugs for cancer including Avastin and Herceptin, as well as Actemra for rheumatoid arthritis.

From Reuters ● May 31, 2023

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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