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  • Ivonescimab Beats Keytruda on Survival in China-Only Trial as Its Global Study Stumbles
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Ivonescimab Beats Keytruda on Survival in China-Only Trial as Its Global Study Stumbles

Ivonescimab's survival win over Keytruda came China-only, even as its global trial has already missed on interim PFS.
pharminent September 3, 2026 (Last updated: September 3, 2026)

STRATEGIC NEWS WATCH — September 3, 2026

Ivonescimab’s survival win over Keytruda came China-only, even as its global trial has already missed on interim PFS, leading a day that also delivered AbbVie’s myeloma bispecific, Ultragenyx’s near-halving, and two more nine-figure delivery-and-conjugate deals.

Today’s top developments:

  • Akeso and Summit’s PD-1xVEGF bispecific ivonescimab beat Merck’s Keytruda on overall survival in the China-only HARMONI-2 trial, but the global HARMONI-3 study has already missed on interim progression-free survival in its squamous cohort, and Akeso rose just 3.4% (Fierce Pharma)
  • AbbVie’s BCMA×CD3 bispecific etentamig posted a 74% response rate against 45.7% for standard therapies in the Phase 3 CERVINO myeloma trial, though its overall survival benefit did not cross the prespecified statistical boundary (Fierce Biotech)
  • Ultragenyx fell nearly 45% after its antisense candidate apazunersen showed no treatment-placebo difference in a pivotal Phase 3 trial in Angelman syndrome (Pharmaceutical Executive)
  • Novartis secured options for exclusive global rights to develop subcutaneous versions of its products using Alteogen’s ALT-B4 hyaluronidase platform, in a deal worth up to $3.22 billion with no individual payments disclosed (Pharmaceutical Technology)
  • GSK licensed HUTCHMED’s preclinical EGFR-directed, KRAS-inhibitor conjugate HMPL-A830 for $110 million up front and up to $1.3 billion including milestones (Pharmaceutical Technology)

What to Watch

  • HARMONI-3 over HARMONI-2 — The China-only survival win is not the dataset a Western filing rests on. The full HARMONI-3 readout is the tell — whether the non-squamous cohort separates where squamous did not, alongside Summit’s November 14 PDUFA in previously treated EGFR-mutated NSCLC.
  • Etentamig’s survival boundary — A 12-month overall survival of 87.9% against 72% is numerically favorable but formally unproven. The open question is whether longer follow-up crosses the boundary, and whether regulators accept response rate and progression-free survival alone in a field already holding three approved BCMA options.
  • Ultragenyx’s Aurora read-through — With the company reviewing program disposition and cutting expenses, the question now is whether the Aurora study in other Angelman genotypes survives, and whether GENGLYCOS confirmatory-evidence progress becomes the stated priority.
  • What Novartis actually committed — Option fees, milestones and royalties were all undisclosed and no candidate products named. Alteogen’s filings are where the option-exercise economics should emerge, the only place the real number is likely to surface.
  • HMPL-A830 entering the clinic — The first antibody-delivered KRAS inhibitor is due to start trials before year-end, with HUTCHMED running global Phase 1. The tolerability profile is what to track, since it is the entire premise of conjugating a KRAS inhibitor rather than dosing it systemically.

This brief highlights the edition’s top stories. Read the full September 3, 2026 edition → for all stories and analysis — or browse the Strategic News Watch archive.

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