A 52-week, Randomized, Double-blind, Double-dummy, Placebo- and Active- Controlled (Roflumilast, Daliresp® 500µg), Parallel Group, Study to Evaluate the Efficacy and Safety of Two Doses of CHF6001 DPI add-on to Maintenance Triple Therapy in Subjects With Chronic Obstructive Pulmonary Disease (COPD) and Chronic Bronchitis.

A Phase III, 52-week, Multinational, Multicenter, Randomized, Double-blind, 2-arm Parallel Group Study Comparing Efficacy, Safety and Tolerability of the Fixed Dose Triple Combination of Beclomethasone Dipropionate Plus Formoterol Fumarate Plus Glycopyrronium Bromide (CHF 5993) With the Fixed Dose Dual Combination of Beclomethasone Dipropionate Plus Formoterol Fumarate (CHF 1535), Both Administered Via pMDI in Subjects With Chronic Obstructive Pulmonary Disease (COPD)

Randomized, Double-blind, Placebo-controlled, Parallel-group Phase 3 Study to Evaluate the Efficacy, Safety, and Tolerability of SAR440340/ REGN3500/ Itepekimab (Anti-IL-33 mAb) in Patients With Moderate-to-severe Chronic Obstructive Pulmonary Disease (COPD)

A Double-blinded Extension Study to Evaluate the Long-term Safety and Tolerability of Itepekimab in Patients With Chronic Obstructive Pulmonary Disease (COPD) Who Participated in Either EFC16750 or EFC16819 Clinical Studies