Cambridge Antibody Technology

Cambridge Antibody Technology Group Plc
Company typePrivate
LSE: CAT Nasdaq: CATG
IndustryBiopharmaceutical
Founded1989 (1989) (Daly Laboratories, Babraham)
FounderDavid Chiswell, Sir Greg Winter, John McCafferty, Medical Research Council
Defunct2007 (2007)
FateAcquired by AstraZeneca in 2006; combined with MedImmune in 2007
SuccessorMedImmune
HeadquartersGranta Park, Cambridgeshire, England, United Kingdom
Area served
Worldwide
Key people
David Chiswell (CEO 1996–2002)
Peter Chambré (CEO 2003–2006)
ProductsAdalimumab, discovery of; belimumab discovery of
ServicesTherapeutic monoclonal antibody discovery and development
Revenue£172.50m (six months ending 31 March 2006*)
£147.25m (six months ending 31 March 2006*)
£25.25m (six months ending 31 March 2006*)
Total assets£215.98m (six months ending 31 March 2006*)
Total equity£180.97m (six months ending 31 March 2006*)
OwnerAstraZeneca
Number of employees
Approximately 300 (2006)
Footnotes / references
*Financials for six-month period prior to acquisition by AstraZeneca were distorted by the settlement for royalties payable on Adalimumab sales

Cambridge Antibody Technology Group Plc, (commonly referred to as CAT) was a biotechnology company headquartered in Cambridge, England, United Kingdom. Its core focus was on antibody therapeutics, primarily using Phage Display and Ribosome Display technology.

Phage Display Technology was used by CAT to create adalimumab, the first fully human antibody blockbuster drug. Humira, the brand name of adalimumab, is an anti-TNF antibody discovered by CAT as D2E7, then developed in the clinic and marketed by Abbvie, formerly Abbott Laboratories. CAT was also behind belimumab, the anti-BlyS antibody drug marketed as Benlysta and the first new approved drug for systemic lupus in more than 50 years.[1] In 2018, the Nobel Prize organisation awarded one quarter of the Nobel Prize in Chemistry to a founding member of CAT, Sir Greg Winter FRS "for the phage display of peptides and antibodies.".[2]

Founded in 1989, CAT was acquired by AstraZeneca for £702m in 2006.[3][4] AstraZeneca subsequently acquired MedImmune LLC,[5] which it combined with CAT to form a global biologics R&D division called MedImmune.[6] CAT was often described as the 'jewel in the crown' of the British biotechnology industry[7] and during the latter years of its existence was the subject of frequent acquisition speculation.

  1. ^ "GlaxoSmithKline and Human Genome Sciences announce FDA approval of Benlysta (belimumab) for the treatment of systemic lupus erythematosus". Archived from the original on 17 March 2011. Retrieved 11 March 2011.
  2. ^ "The Nobel Prize in Chemistry 2018 was divided, one half awarded to Frances H. Arnold "for the directed evolution of enzymes", the other half jointly to George P. Smith and Sir Gregory P. Winter "for the phage display of peptides and antibodies."". nobelprize.org. 3 October 2018.
  3. ^ "AstraZeneca UK Limited Completes Acquisition of Cambridge Antibody Technology Group plc Compulsory Acquisition Procedure Completed Subsequent Offer Period Closed" (Press release). AstraZeneca. 22 August 2006. Retrieved 8 December 2013.
  4. ^ "AstraZeneca to buy CAT for £702m". BBC News. 15 May 2006.
  5. ^ "AstraZeneca International – pharmaceutical company, prescription drugs, medicine manufacturers". Astrazeneca.com. 19 June 2007. Archived from the original on 13 January 2010. Retrieved 12 May 2010.
  6. ^ "MEDIMMUNE LIMITED, company number 02451177, credit report, annual accounts from Companies House and free company monitoring". Ukdata.com. 31 December 2008. Archived from the original on 26 April 2008. Retrieved 12 May 2010.
  7. ^ "Investment: The drugs don't work". The Independent. London. 22 August 2008. Retrieved 1 April 2010.

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