Biopharma happenings, including deals and partnerships, grants, preclinical data and other news in brief: Abbvie, Altavant, Clear Creek, Enzyvant, Equillium, Essential, Everson, Explorna, Hotspot, Intrinsic, Kyowa, MEI, Metrion, Nykode, Omnispirant, Ono, Pfizer, Replimune, Roche, Tris.