Trial population
90 patients were recruited between 09/03/2021 and 28/04/2021, constituting the safety analysis set. Of those, 81 patients belonged to the Intention-To-Treat (ITT) population, comprising randomised patients meeting the key eligibility criteria and having evaluable viral load data on day 1 (baseline) and on day 11 (end of treatment). Of those, 27 patients belonged to the 0.1% azelastine group, 28 patients to the 0.02% azelastine group and 26 patients to the placebo group (Fig. Patient disposition. ITT—intention to treat. Ct—cycle threshold.