ImmunityBio, NantKwest Announce Positive Interim Phase 1 Safety Data of hAd5 COVID-19 Vaccine Dose Study

CULVER CITY, Calif. & EL SEGUNDO, Calif.--(BUSINESS WIRE)--ImmunityBio, a privately-held immunotherapy company, and NantKwest, Inc. (NASDAQ: NK), a clinical-stage, natural killer cell-based therapeutics company, today announced they have administered their second-generation bivalent, human adenovirus (hAd5) COVID-19 vaccine candidate in a Phase 1 trial with no serious adverse events (SAE) reported in the low dose cohort, safety is ongoing for the high dose cohort. The trial, being conducted at Hoag Hospital in Newport Beach, California, enrolled 20 volunteers across two dose levels and the subject screening for the Phase I expansion cohort is ongoing.