Pharma BD Deal Intelligence

Summit Therapeutics plc / Akeso Inc.

2023 · Licensing/Option · $4.5B · Complete

CALLED IT — OFF BY 7
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The coverage arc

Dec 06, 2022 GlobeNewsWire Neutral

Summit Therapeutics partners with Akeso in a deal worth up to $5 billion to in-license ivonescimab for development and commercialization in the US, Canada,…

Aug 24, 2023 Biotechgate Neutral

Summit committed an upfront payment of $500 million for ivonescimab rights with potential deal value up to $4.5 billion.

May 31, 2026 BioPharma Dive Bullish

At ASCO 2026, HARMONi-6 (1L advanced squamous NSCLC) showed ivonescimab+chemo improved OS vs tislelizumab+chemo (HR 0.66, ~28 vs ~24 mo median OS);…

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Summit Therapeutics licensed exclusive rights to ivonescimab, a PD-1/VEGF bispecific antibody, from Akeso for markets outside Greater China (US, Canada, Europe, Japan) in a December 2022 collaboration worth $500M upfront and up to $5B with milestones (deal closed January 2023). Development has since advanced materially: the U.S. FDA accepted Summit's BLA on January 29, 2026 for ivonescimab plus chemotherapy in EGFR-mutated NSCLC post-3rd-generation TKI (Phase III HARMONi, PFS HR 0.52), with a PDUFA goal action date of November 14, 2026. At ASCO 2026, the Akeso-run Phase III HARMONi-6 showed a statistically significant overall-survival benefit versus tislelizumab plus chemotherapy in first-line squamous NSCLC (OS HR 0.66). The global HARMONi-3 trial (first-line non-squamous NSCLC vs pembrolizumab) is the pivotal US readout, with final PFS data expected in the second half of 2026.

Key facts

Related deals — scored

DealYearValueOutcome
Summit Therapeutics plc / Akeso Inc. (this deal)2023$4.5B79
AstraZeneca PLC / Daiichi Sankyo Company, Limited2019$6.9B100
Novartis AG / Endocyte, Inc.2018$2.1B96
Astellas Pharma Inc. / Seagen Inc.2009$4.5B95
Bristol-Myers Squibb Company / Medarex Inc.2009$2.4B92
Servier / Agios Pharmaceuticals (oncology)2020$2.0B91
Servier Pharmaceuticals LLC / Agios Pharmaceuticals Inc.2020$2.0B91

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