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September 29, 2026

AstraZeneca to invest $2bn in Summit for ADC combination therapies

AstraZeneca has agreed to invest $2bn in newly issued equity in Summit Therapeutics to develop combination therapies using the bispecific antibody ivonescimab and antibody-drug conjugates (ADCs) across multiple tumour types.

AstraZeneca and Summit agreed to a clinical collaboration to assess ivonescimab in combination with sonesitatug vedotin. Credit: Jose Eduardo Rubio / Shutterstock.com.