Merck, a leading science and technology company, today announced a research collaboration and commercial license agreement with Mersana Therapeutics, Inc., Cambridge, Massachusetts, USA to discover novel antibody-drug conjugates (ADCs) leveraging Mersana’s proprietary Immunosynthen STING-agonist ADC platform, directed against up to two targets. The Immunosynthen platform is designed to generate systemically administered ADCs that locally activate STING signaling in both tumor-resident immune c…