Adults With Moderate to Severe Asthma

Inclusion Criteria: * Male or female aged 12 or over who have asthma * Ability to properly use an electronic diary * Able and willing to nebulize for up to 20 minutes every morning and evening Exclusion Criteria: * Hospitalised at least one once or required emergency treatment due to asthma in the previous 6 months * Planned hospitalisation during the study * pregnant women or women planning to become pregnant