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License and Collaboration Agreement with ImmuneOnco
9 Months Ended
Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
License and Collaboration Agreement with ImmuneOnco License and Collaboration Agreement with ImmuneOnco
On August 1, 2024, SynBioTx and ImmuneOnco entered into the IO Collaboration Agreement pursuant to which SynBioTx in-licensed certain bispecific antibodies, including SYN-2510/IMM2510 and SYN-27M/IMM27M from ImmuneOnco. Pursuant the IO Collaboration Agreement, SynBioTx paid ImmuneOnco a $10.0 million upfront payment and prepaid ImmuneOnco $5.0 million in development costs in the quarter ended September 30, 2024. ImmuneOnco is eligible to receive additional potential near-term payments of up to $35.0 million, up to $2.1 billion in commercial, development and regulatory milestones (including up to $270.0 million in longer term development and regulatory milestones and up to $1.8 billion in commercial milestones) plus single-digit to low double-digit percentage royalties on global net sales of the licensed products outside of Greater China.
The expenses recognized in connection with the IO Collaboration Agreement were $10.0 million and nil for the three and nine months ended September 30, 2024 and 2023, respectively, recorded as a component of In-process research and development on the condensed consolidated statement of operations and comprehensive loss. As of September 30, 2024, no additional milestones had been accrued as the underlying contingencies had not yet been resolved.