Biopharma happenings, including deals and partnerships, grants, preclinical data and other news in brief: 2seventy, Beigene, China Medical Systems, Coastar, Confo, Eisai, Elevation, Genfleet, Globestar, Incyte, Ipsen, Kaken, Launch, Merrimack, Mustang, Nexera, Rakovina, Realta, Sohm, Sosei, Teva, Regeneron.