Daiichi Sankyo signs clinical trial collaboration deal with Merck and Pfizer

Daiichi Sankyo has entered into a clinical trial collaboration agreement with Merck and Pfizer to evaluate the combination of its [fam-] trastuzumab deruxtecan (DS-8201) with avelumab and/or an investigational damage response (DDR) inhibitor of Merck, in patients with HER2 expressing or mutated solid tumors.