Mersana Therapeutics, Inc., a biotechnology company focused on discovering and developing a pipeline of antibody drug conjugates (ADCs) based on its proprietary Fleximer® platform technology, announced that the U.S. Food and Drug Administration (FDA) cleared the company’s Investigational New Drug (IND) application to begin Phase 1 clinical trials for its lead oncology drug candidate XMT-1522.The compound is Mersana’s first pipeline product, and defines a new class of HER2-targeted therapies.


