Biopharma happenings, including deals and partnerships, grants, preclinical data and other news in brief: Allianthera, Astrazeneca, Biontech, Immunoprecise, Isotopia, Istari, Kyowa Kirin, Lassen, Medicenna, Molecular Targeting, Nektar, Pfizer, Pieris, RDIF, Redhill, Seagen, Twist.