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Zymeworks Enters into an Exclusive Global License and Collaboration Agreement with Roche for ZW209, a Trispecific T cell Engager Targeting DLL3

$ZYMEPress releaseOct 23, 2026, 6:00 AM ETRead the release

Zymeworks entered an exclusive global license and collaboration agreement with Roche for ZW209, a trispecific T cell engager targeting DLL3. Zymeworks receives a $55 million upfront, a $40 million payment upon Phase 1b initiation, and up to $718 million in additional milestones, plus tiered high-single-digit to mid-teen royalties on global net sales. Roche funds the Phase 1a trial and gains exclusive global rights to develop and commercialize ZW209, which has FDA IND clearance for a Phase 1 study in DLL3-expressing tumors including small cell lung cancer.

Key figures

Deal Value Usd
$55 million upfront plus up to $718 million in milestones
Royalties
tiered high-single-digit to mid-teen on global net sales
Milestones max
$718 million
Upfront payment
$55 million
Phase 1b milestone
$40 million

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