NCT02386722.

Trial name or title	Intervention to Improve Inhalative Adherence
Methods	Single‐blind, parallel‐group randomised controlled trial
Participants	Inpatients and outpatients older than 18 years with a clinical diagnosis of asthma or COPD At least 1 exacerbation in the past year Ability to give informed consent. Good knowledge of the German language by themselves Use of a metered dose Inhaler (e.g. Ventolin®), Diskus (e.g.Seretide®), Turbohaler (e.g.Symbicort®), Aerolizer/Breezhaler (e.g. Onbrez®) or HandiHaler (e.g. Spiriva®)
Interventions	Audio reminders and support calls or control
Outcomes	Time to next asthma or COPD exacerbation; number of exacerbations; adherence
Starting date	January 2014
Contact information
Notes	https://clinicaltrials.gov/ct2/show/NCT02386722