This is a randomized, double-blind, multicentre, placebo-controlled study eligible patients will be randomized in a 1:1 ratio to receive either 10mg of IBIO123 or matching vehicle (placebo). IBIO123 will be administered by inhalation via an Aerogen Ultra mesh nebulizer according to the manufacturer's recommendation. Patients will be followed up for a total period of 14 days after the administration of study intervention to detect an infection to SARS-CoV-2.~This study will enroll a total of 140 participants (70 participants on IBIO123 & 70 participants on Placebo).
This is a Phase 2, randomized, double-blind, multicentre, placebo-controlled study in adults to assess the safety and efficacy of inhaled IBIO123, for post-exposure prophylaxis of COVID-19.~This study aims to evaluate the efficacy and the safety of IBIO123 and the prophylaxis effect of IBIO123 in participants exposed to COVID-19 in the setting of current and uninterrupted household contacts.