| API | Active Pharmaceutical Ingredient |
| cDPI | Capsule-based Dry Powder Inhaler |
| COPD | Chronic Obstructive Pulmonary Disease |
| DPI | Dry Powder Inhaler |
| FPD | Fine Particle Dose |
| HPMC | hydroxypropyl methylcellulose |
| ICS | inhaled chorticosteroids |
| LABA | Long-acting beta(2) agonist |
| LAMA | Long-acting muscarinic antagonist |
| pMDI | Pressurised Metered Dose Inhaler |
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