Impact of a Hospital Pharmacist's Intervention on FENO (Fractional Exhaled Nitric Oxide) in Asthmatic Patients

Inclusion Criteria: * Adult asthmatics (definition of asthma: FEV1 \[forced expiratory volume in 1 second\] reversibility of at least 12% and 200 mL after 400 mcg of salbutamol and/or PC20M \[provocative concentration of methacholine causing a 20% fall in FEV1\]\<16 mg/mL) * unchanged or increased dose of inhaled corticosteroids prescribed by the pneumologist at the visit * FENO (fractional exhaled nitric oxide) \> or = 25 ppb Exclusion Criteria: * Treatment with oral corticosteroids to treat an asthma exacerbation within 4 weeks before the visit with the pneumologist Exclusion Criteria during the study: * Change of the dose of ICS (inhaled corticosteroids) during the follow-up of 3 months after the pharmacist's intervention * Severe asthma exacerbation requiring oral corticosteroids within the 4 weeks before the follow-up visit (3 months after the pharmacist's intervention)