ImmunoGen

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ImmunoGen Inc.
Company typeSubsidiary
Nasdaq: IMGN
IndustryBiopharmaceuticals
Founded1981
Defunct2024
FateAcquired by AbbVie
Headquarters
Waltham, Massachusetts
,
United States
RevenueIncrease $65.2 million (2019)[1]
Number of employees
75
Websitewww.immunogen.com

ImmunoGen, Inc. was a biotechnology company focused on the development of antibody-drug conjugate (ADC) therapeutics for the treatment of cancer. ImmunoGen was founded in 1981 and was headquartered in Waltham, Massachusetts.[2]

An ImmunoGen ADC contains a manufactured antibody that binds to a target found on cancer cells, with one of the company's potent cell-killing agents attached as a "payload". The antibody serves to deliver the cell-killing agent specifically to cancer cells bearing its target and the payload serves to kill these cells. In some cases, the antibody also has anticancer activity.

In November 2023, AbbVie, an American pharmaceutical company, announced it was buying ImmunoGen for 10.1 billion.[3][4]

Linkage technology

Currently approved ADCs with ImmunoGen technology employ one of the company's maytansinoid cell-killing agents, either DM1 or DM4, or one of the company's DNA-acting IGN payloads.

  • DM1 attached to an antibody with ImmunoGen's thioether linker is called "emtansine" in its INN name
  • DM1 attached to an antibody with ImmunoGen's SPP linker is called "mertansine".
  • DM4 attached with ImmunoGen's SPDB linker is called "ravtansine"
  • DM4 attached with ImmunoGen's sSPDB linker is called "soravtansine"
    • mirvetuximab soravtansine

ImmunoGen also developed isatuximab, a monoclonal antibody without linkage to a toxin.

Pipeline

ImmunoGen uses its ADC technology to develop its own product candidates. The mirvetuximab, which has been submitted for FDA approval, is being developed as a monotherapy or a standalone treatment for ovarian cancer.[7][8] Other products currently in clinical-stage development include:[9]

Collaborations & licensing

The company also selectively outlicenses limited use of its technology to other companies. Companies licensing ImmunoGen's technology include Amgen, Bayer HealthCare, Biotest, Genentech/Roche, Eli Lilly, Novartis, Sanofi, and Takeda.[9] Roche's Kadcyla (ado-trastuzumab emtansine) utilizes ImmunoGen's ADC technology. It has been approved and launched in a number of countries, including the US, where it is marketed by Genentech, a member of the Roche Group.[13][14] In October 2015, the company disclosed that Kadcyla had failed to meet its primary endpoint in the Phase II/III GATSBY trial investigating the second line treatment of HER2-positive advanced gastric cancer.[15]

References

  1. ^ "ImmunoGen Reports Recent Progress and 2019 Financial Results | ImmunoGen, Inc".
  2. ^ "ImmunoGen Inc., Inc. stock price Yahoo Finance". Finance.yahoo.com. Retrieved 2014-03-09.
  3. ^ Leo, Leroy; Mishra, Manas (2023-11-30). "AbbVie seeks lift from 'guided missile' cancer drug with $10 bln ImmunoGen deal". Reuters. Retrieved 2023-12-01.
  4. ^ Kellaher, Jared S. Hopkins and Colin. "AbbVie to Buy Cancer Biotech ImmunoGen for More Than $10 Billion". WSJ. Retrieved 2023-12-01.
  5. ^ AG, MorphoSys (26 January 2016). "MorphoSys Announces Clinical Milestone for Start of Bayer's Phase 2 Trial Designed to Support Registration of Anetumab Ravtansine". GlobeNewswire News Room.
  6. ^ Dombret, Hervé; Hatteville, Laurence; Oprea, Corina; Bories, Pierre; O'Brien, Susan; Jabbour, Elias; Cortes, Jorge; Thomas, Xavier G.; Escoffre-Barbe, Martine; Marolleau, Jean-Pierre; Kelly, Kevin; Leguay, Thibaut; Atallah, Ehab; Kim, Stella K.; Lioure, Bruno; Kantarjian, Hagop M. (1 March 2016). "A Phase II Study of Coltuximab Ravtansine (SAR3419) Monotherapy in Patients With Relapsed or Refractory Acute Lymphoblastic Leukemia". Clinical Lymphoma, Myeloma & Leukemia. 16 (3): 139–145. doi:10.1016/j.clml.2015.12.004. PMC 5557033. PMID 26775883 – via www.clinical-lymphoma-myeloma-leukemia.com.
  7. ^ "ImmunoGen: An Inflection Point In Growth (NASDAQ:IMGN) | Seeking Alpha". seekingalpha.com. Retrieved 2022-05-23.
  8. ^ "For Mirvetuximab Soravtansine In Ovarian Cancer". Nasdaq. May 23, 2022. Retrieved May 24, 2022.
  9. ^ a b "Target a Better Now - ImmunoGen for ADC Technology-focused Cancer Treatment". ImmunoGen.
  10. ^ "Meeting Library - Meeting Library". meetinglibrary.asco.org.
  11. ^ a b "ImmunoGen, Inc. Announces Data Presentations at Upcoming 57th ASH Annual Meeting and Exposition". www.businesswire.com. 1 December 2015.
  12. ^ "A Phase 1 Study of IMGN289 in Adult Patients With EGFR-positive Solid Tumors - Full Text View - ClinicalTrials.gov". clinicaltrials.gov. 30 September 2015.
  13. ^ "Genentech". www.gene.com.
  14. ^ "KADCYLA® for certain types of HER2+ Breast Cancer". www.kadcyla.com.
  15. ^ "Roche's Kadcyla Fails Phase II/III Trial for Gastric Cancer | GEN News Highlights | GEN". Archived from the original on 2015-10-24. Retrieved 2015-10-24.

External links

  • Official website
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