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Sanofi and Seagen collaborate to develop and commercialise multiple novel antibody-drug conjugates

Sanofi and Seagen Inc. on Wednesday announced an exclusive collaboration agreement to design, develop, and commercialize antibody-drug conjugates (ADCs) for up to three cancer targets.

The collaboration will utilize Sanofi’s proprietary monoclonal antibody (mAb) technology and Seagen’s proprietary ADC technology. ADCs are antibodies engineered to deliver potent anti-cancer drugs to tumor cells expressing a specific protein and Sanofi currently has one ADC in development.

Antibody-drug conjugates (ADCs) act by directly targeting and then killing selected cells, affecting both the growth and behavior of cells. They represent one of the fastest growing segments of the pharmaceutical and biotechnology industry.

John Reed, M.D., Ph.D., Global Head of Research and Development, Sanofi said:

This collaboration will enable the synergistic combination of molecules and platforms to produce candidate medicines with the potential of bringing renewed hope to cancer patients and their families. We look forward to joining forces with Seagen to collaboratively design and develop promising medicines by advancing antibody-drug conjugate science.

Clay Siegall, Ph.D.,President and Chief Executive Officer, Seagen commented:

We are excited to be working with Sanofi, a global biopharmaceutical leader, to identify new ways to potentially address unmet medical needs of cancer patients. Jointly developing novel ADCs by combining antibodies from Sanofi with Seagen’s proprietary ADC technology, aligns with our strategic priorities to expand the global potential of our pipeline with new first- or best-in-class programs.

Under the terms of the collaboration, Seagen and Sanofi will co-fund global development activities and share equally in any future profits. In addition, Sanofi will make an undisclosed payment to Seagen for each of the three targets as they are selected. The first target under the collaboration has already been designated.


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