On Dec. 7, 2020, Inovio Pharmaceuticals announced it had dosed its first subject in a Phase 2 clinical trial evaluating DNA medicine INO-4800, its COVID-19 vaccine candidate, as part of its Phase 2/3 clinical trial, called INNOVATE (INovio INO-4800 Vaccine Trial for Efficacy).

The Phase 2 segment of the trial was to enroll approximately 400 participants who are 18 years or older at up to 17 U.S. sites to evaluate safety and immunogenicity in order to confirm the dose(s) for the subsequent efficacy evaluation as part of the Phase 3 segment of the trial.