Real-World Treatment Patterns and Switching Following Moderate/Severe Chronic Obstructive Pulmonary Disease Exacerbation in Patients with Commercial or Medicare Insurance in the United States.

Many COPD exacerbations occur among patients not on controller medications. Although the percentage of patients receiving a controller medication increased following a first exacerbation, it remained below 50%. Of patients receiving controller medications pre-exacerbation, only a small proportion escalated to triple therapy post-exacerbation.