AstraZeneca, Daiichi Sankyo partner with Summit to test cancer drug combination ↧ ↧ AstraZeneca, Daiichi Sankyo partner with Summit to test cancer drug... AstraZeneca and Daiichi Sankyo have entered into ​a clinical collaboration with ‌Summit Therapeutics to test their cancer drug, Datroway, in ​combination with Summit's ​ivonescimab across multiple tumour types, ⁠including lung and breast ​cancers.