Gala FIH Feasibility Study for the Treatment of Chronic Bronchitis

Inclusion Criteria: 1. Subject is diagnosed with chronic bronchitis for a minimum of two years, where chronic bronchitis is defined clinically as chronic productive cough for three months in each of two successive years in a patient in whom other causes of productive cough have been excluded. 2. Subject's responses to the first two questions of the CAT must sum to at least 7 points. 3. Subject has GOLD Stage II chronic obstructive pulmonary disease (COPD) with a preprocedure post-bronchodilator FEV1 of greater than or equal to 30% and less than or equal to 80% of predicted within three months of enrollment. Subjects with a preserved function (FEV1 \> 80%) are allowed if the subject has a total CAT score greater than or equal to 10 and the sum of the first two questions of the CAT score sum to at least 7 points. 4. Subject has a cigarette smoking history of at least ten packs years. 5. Subject in the opinion of the site investigator is able to adhere to and undergo three bronchoscope procedures inclusive of lung biopsies and Gala treatments and has provided a signed informed consent. Exclusion Criteria: 1. Subject has active respiratory infection (e.g., common cold, pneumonia, MAI, tuberculosis) or COPD exacerbation within the last 6 wees prior to study treatment bronchscopy. 2. Subject is treated with \> 10 mg of prednisolone or prednisone per day. 3. Subject has an implantable cardioverter defibrillator or pacemaker. 4. Subject has a history of cardiac arrhythmia within past two years. 5. Subject has abnormal cardiac rhythm at time of procedure. 6. Subject has history of proven lung cancer in last 5 years. 7. Subject has pulmonary nodule or cavity requiring follow-up or intervention unless proven benign and not actively infected (e.g., aspergilloma). 8. Subject has prior lung surgery, such as lung transplant, LVRS, lung implant/prosthesis, metal stent, valves, coils, bullectomy, segmentectomy, or lobectomy. Pneumothorax without lung resection is acceptable. Pleural procedures without surgery are acceptable. 9. Subject has Alpha-1-Antitrypsin (AAT) deficiency. 10. Subject has documented history of asthma diagnosed with onset \<30 years of age, clinically significant bronchiectasis or any other significant second lung disease. 11. Subject actively smoked (including tobacco, marijuana, e-cigarettes, vaping, etc.) within the last 6 months. 12. Subject has the inability to walk over 140 meters. 13. Subject has a serious medical condition, such as: uncontrolled congestive heart failure, uncontrolled angina, myocardial infarction in the past year, renal failure, liver disease, cerebrovascular accident within the past 6 months, uncontrolled diabetes, hypertension, autoimmune disease or uncontrolled gastric reflux. 14. Subject has known sensitivity to medication required to perform bronchoscopy (such as lidocaine, atropine, and benzodiazepines). 15. Subject is pregnant, nursing, or planning to get pregnant during study duration. 16. Subject has received chemotherapy within the past 6 months or is expected to receive chemotherapy during participation in this study. 17. Subject is or has been in another clinical investigational study within 6 weeks of baseline. 18. Subject on anticoagulation for cardiovascular indications and is unable to have anticoagulants (i.e., Aspirin, Plavix, Coumadin) withheld for at least seven days prior to bronchoscopy in the opinion of the Investigator.