Chronic Obstructive Pulmonary Disease (COPD) Co-Pilot AIR Substudy of CLN0014

Inclusion Criteria

• •1. Participant has read, understood, and signed a CLN0020 informed consent form prior to enrollment.
• •2. Participant is appropriate for Coil treatment per the Conformité Européene (European Conformity \[CE\])-Mark Approved RePneu Instructions for Use (IFU).
• •3. Participant has been enrolled in and scheduled for treatment(s) with the PneumRx Endobronchial Coil procedure in the CLN0014 study.
• •4. Participant's PneumRx Endobronchial Coil procedure is scheduled to occur no fewer than 14 days from enrollment, providing enough time to establish a baseline of their daily symptoms. Ten days minimum of baseline data are required, which is defined as the Run-in period going forward.
• •5. Participant is willing and able to use a smart phone.