| Long‑acting β₂‑agonist (LABA) + Long‑acting muscarinic antagonist (LAMA) (dual bronchodilation) |
Salmeterol/tiotropium (SALS/TIO), Indacaterol/Golimumab, Olodaterol/Glycopyrronium |
GOLD 2024, 2025 ATS/ERS “Bronchodilator Therapy” statement, IMPACT, ETHOS trials |
Mild–moderate COPD, first‑line for most patients. Improves FEV₁, reduces dyspnea, and decreases exacerbation risk. |
| LABA + Inhaled Corticosteroid (ICS) (dual therapy) |
Formoterol/FDA, Budesonide/Formoterol |
GOLD 2024, 2019 ATS/ERS “ICS” guidance, FLAME, IMPACT |
Patients with a history of ≥2 moderate or ≥1 severe exacerbations and eosinophil count ≥ 300 cells/µL (or ≥ 100–300 cells/µL with additional risk factors). |
| Triple therapy (LABA + LAMA + ICS) |
Budesonide/Formoterol/Glycopyrronium (BFF), Fluticasone/Salmeterol/Tio, QVAR‑Glycopyrronium |
GOLD 2024, 2025 ATS/ERS “Triple Therapy” guidance, IMPACT, ETHOS, WISDOM |
Severe disease, frequent exacerbations, eosinophil ≥ 100–300 cells/µL, or after a step‑up from dual therapy if exacerbations persist. |
| Phosphodiesterase‑4 inhibitor (roflumilast) |
Roflumilast 500 µg once daily |
ATS/ERS 2024 guideline, roflumilast‑COPD trial |
Very severe COPD (GOLD IV) with chronic bronchitis phenotype and frequent exacerbations despite triple therapy. |
| Biologic agents (for eosinophilic or asthma‑COPD overlap) |
Dupilumab (IL‑4Rα), Mepolizumab (IL‑5), Benralizumab (IL‑5Rα) |
GINA/ATS overlap studies, real‑world evidence |
Patients with high eosinophils (> 300 cells/µL), severe exacerbations, or concomitant asthma. |
| Pulmonary rehabilitation + non‑pharmacologic |
Exercise training, education, nutrition |
Strong meta‑analyses |
All disease stages, improves exercise capacity and quality of life. |