This is a protocol for a Cochrane Review (Intervention). The objectives are as follows:

The objectives are as follows: 1). to determine the effectiveness of ciclesonide in clinical studies and 2). the comparative efficacy of ciclesonide when compared to other inhaled corticosteroids, as well as 3) the safety of the once daily inhaled corticosteroid Ciclesonide in adults (aged 18 years and older) and children (less than 18 years) who have persistent asthma of any severity compared with either placebo therapy or another inhaled corticosteroid therapy.