Study to Evaluate the Efficacy of IN STI-9199 in Treating Symptomatic COVID-19 in Outpatient Adults and Adolescents

This is a Phase 2 global, randomized, double-blind, placebo-controlled study designed to investigate the safety and preliminary efficacy of intranasal STI-9199 in adults and adolescents who are COVID-19 positive with mild to moderate symptoms. This is a single dose study and three different dose concentrations will be compared to placebo.