NTR5187.

Methods	Study design: RCT Duration: 6–8 weeks Location: NR
Participants	Population: 100 adults with asthma or COPD Baseline characteristics: mean age 63 years, 49% male Inclusion criteria: NR Exclusion criteria: NR
Interventions	Treatment arms Visual instruction card + usual inhalation technique education Usual inhalation technique education
Outcomes	Primary outcomes: inhalation technique (inhaler‐specific checklists), ACQ or CCQ
Notes	Funding: NR Identifier: none