Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Boehringer Ingelheim
Age
0–55
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
New users of long-acting bronchodilators, LABA and tiotropium on the same date or of LABA and ICS, either as a fixed-dose combination or free combination, on the same date between January 2002 and December 2015
Diagnosis of COPD and age ≥ 55 years
You may not be if
Less than one year of medical history information prior to the date of combined treatment initiation (cohort entry)
Asthma diagnosis
Clareo Health | Comparative Effectiveness of COPD Treatments