This international randomised controlled trial tackles the important and challenging issues of multimorbidity in the same structured way used increasingly for COPD. COPD-specific action plans are not suitable and potentially unsafe for patients with multimorbidity, which represent the rule rather than then exception. This clinical trial broadens the scope from COPD to
multimorbidity by including specific relevant comorbidities. We believe this might be a useful step providing evidence to manage all multimorbidity patients, especially because the intervention is mainly patient-centered and patient-initiated. We have
imposed no upper age limit since age itself is an important risk factor for COPD and comorbidities. Our study design will provide a representative study of patient groups having moderate to severe COPD and comorbidities who experience COPD exacerbations
for which it is expected that self-management and self treatment will result in a reduction of COPD exacerbation days.