Biopharma happenings, including deals and partnerships, grants, preclinical data and other news in brief: Amgen, C4X, Chemocentryx, Currax, Dr. Falk, Erasca, Hitgen, HK Inno.N, ICER, Lupin, Nora, Novo Nordisk, Pfizer, Polypid, Scynexis, Sebela, Sumitomo, Sunovion, Sunshine, Takeda, Trethera, Vivasc, Vivus and Zedira.