A randomized, double-blind, parallel group, placebo controlled Phase II study to evaluate the safety and efficacy of two inhaled LASAG regimens and Placebo, applied three times daily in adult hospitalized patients with acute serious influenza

The primary objective of this study is to evaluate the clinical efficacy of two different doses of inhaled LASAG plus standard of care compared to placebo plus standard of care in patients hospitalized due to acute serious influenza OR an influenza caused worsening of a primary medical condition measured by time to alleviation of influenza symptoms.