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GMABBullishIndustry Newsnews
High materiality9/10

Genmab's 1L HNSCC data show strong OS and ORR; Phase 3 topline due

Oct 26, 2026, 7:10 AM EDT1 sourcesAI-analyzed
Why it may matterVerify against the original reporting

Substantial Phase 2 efficacy signals (OS, ORR, CR) in 1L HNSCC and an ongoing Phase 3 with topline data due later this year create a near-term upside risk/reward for GMAB if Phase 3 confirms or improves results; potential re-rating on data clarity and HPV-agnostic activity.

AI summary

What happened, with direct paths to the underlying reporting

Genmab reported updated Phase 2 results for petosemtamab with pembrolizumab in first-line PD-L1+ r/m HNSCC, delivering a median OS of 28.2 months and an ORR of 63% in 43 efficacy-evaluable patients (CR 19%, mPFS 9.0 months). The Phase 3 program is ongoing, with topline data anticipated later this year, representing a near-term catalyst for GMAB if results validate the Phase 2 signals across HPV+ and HPV- disease.

  • Genmab reports 1L HNSCC combo: OS 28.2 months, ORR 63%.
  • Efficacy-evaluable patients n=43; CR rate 19%.
  • Phase 3 program in 1L HNSCC ongoing; topline data expected later this year.
  • Responses seen across HPV+ and HPV- disease; EGFR/LGR5 bispecific with pembrolizumab.

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