Overview DAS181 for STOP COVID-19 Status: Withdrawn Trial end date: 2020-11-30 Target enrollment: Participant gender: Summary It is a multicenter, randomized, placebo-controlled, double-blind study. The study population is defined as subjects diagnosed with lower respiratory tract COVID-19 who require supplemental oxygen ≥2 LPM at the time of randomization. Phase: Phase 2/Phase 3 Details Lead Sponsor: Ansun Biopharma, Inc.