
Summit Therapeutics (Nasdaq: SMMT) and its Chinese partner Akeso (HKG: 9926) have reported the first Phase III success for bispecific antibody ivonescimab outside lung cancer, after the drug extended survival in previously untreated advanced biliary tract cancer.
The HARMONi-GI1 study, sponsored and run by Akeso in China, tested ivonescimab plus chemotherapy against AstraZeneca's Imfinzi (durvalumab) on the same gemcitabine and cisplatin backbone. It enrolled around 680 patients with unresectable, locally advanced or metastatic disease.
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