Novartis licenses Abogen’s mRNA‑encoded T‑cell engager ABO2203

Novartis has signed a worldwide licensing and option agreement with China‑based Abogen Biosciences for the mRNA‑encoded CD19×CD3 T‑cell engager ABO2203. The deal provides an upfront cash payment of $575 million to Abogen and includes potential milestone payments of up to $7.2 billion, with some reports citing a total possible value of $7.8 billion. The agreement is subject to customary closing conditions, including regulatory approvals.

The upfront cash reduces Abogen’s financing risk while giving Novartis access to a novel RNA platform, but the large milestone upside depends on future development success. Novartis shares fell 0.63% on the news, indicating a modest market reaction to the front‑loaded payment structure.

  • 1Novartis will pay $575 million upfront to Abogen.
  • 2Potential milestone payments could reach about $7.2 billion if all options and milestones are exercised.
  • 3Some reports state the total possible deal value could be up to $7.8 billion.
  • 4The licensed asset is ABO2203, an mRNA‑encoded CD19×CD3 T‑cell engager for autoimmune diseases.
  • 5The agreement grants Novartis exclusive worldwide rights and options on additional Abogen RNA platform programs.
  • 6Novartis shares fell 0.63% after the announcement.
  • The total possible deal value is reported as $7.2 billion in some sources and $7.8 billion in others.

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