Inhaled and intranasal ciclesonide for the treatment of covid-19 in adult outpatients: CONTAIN phase II randomised controlled trial.

Objective: To determine if inhaled and intranasal ciclesonide are superior to placebo at decreasing respiratory symptoms in adult outpatients with covid-19.

Design: Randomised, double blind, placebo controlled trial.

Setting: Three Canadian provinces (Quebec, Ontario, and British Columbia).