Mean 6 Point Ordinal Severity Rating Scale (6POSRS) Score at Day 15

Mean 6 Point Ordinal Severity Rating Scale (6POSRS) Score at Day 15

To compare the efficacy of zavegepant (BHV-3500) to placebo in subjects hospitalized with COVID-19 infection requiring supplemental oxygen, using a six-point rating scale at Day 15. .

To compare the efficacy of zavegepant (BHV-3500) to placebo in subjects hospitalized with COVID-19 infection requiring supplemental oxygen, using a six-point rating scale at Day 15. .