Strong Phase III results for Akeso’s ivonescimab

24 April 2025

Hong Kong-based biopharma company Akeso (HKEX: 9926) announced that its global first-in-class PD-1/VEGF bispecific antibody, ivonescimab, in combination with chemotherapy, has demonstrated strongly positive results in the Phase III clinical trial (AK112-306/HARMONi-6) for first-line treatment of advanced squamous non-small cell lung cancer (sq-NSCLC).

The Independent Data Monitoring Committee (IDMC) declared that the study had met its primary endpoint of progression-free survival (PFS) at the first pre-specified interim analysis. The results of HARMONi-6 study are both statistically significant and clinically meaningful.

Data from the HARMONi-6 study show that, in the intention-to-treat (ITT) population, ivonescimab plus chemotherapy decisively beat tislelizumab plus chemotherapy in terms of progression-free survival (PFS).

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