Biopharma happenings, including deals and partnerships, grants, preclinical data and other news in brief: Abbvie, Alx, Arca, Assertio, Biomarin, Enanta, Guardant, I-Mab, Mina, Novo Nordisk, Nuvox, Sanofi, Spectrum, Stada, Tracon, Vyant, Wren, Xbrane.