Safety and Feasibility Study of Rejuvenair™ for Treating Chronic Bronchitis Patients

Inclusion Criteria:

• Males and females ≥40 to ≤75 years of age.
• Subject is able to read, understand, and sign a written Informed Consent in order toparticipate in the study.
• Subject agrees to continue maintenance pulmonary/COPD medications for the duration ofthe study.
• Diagnosis of chronic bronchitis (CB) and chronic obstructive pulmonary disease (COPD)for a minimum of two years. (Chronic Bronchitis is defined clinically as chronicproductive cough for 3 months in each of 2 successive years in a patient in whom othercauses of productive cough have been excluded.)
• Pre-procedure post bronchodilator FEV1 of greater than or equal to 30% and less thanor equal to 80% of predicted within 3 months of enrollment.
• Smoking history of at least 10 pack years.
• Non-smoking for a minimum of 6 months prior to consent and agrees to continue notsmoking for the duration of the study.
• Subject is able to adhere to and undergo 3 (4 if in Phase A) bronchoscope proceduresthat includes lung biopsies and multiple MCS treatments in the opinion of theinvestigator

Exclusion Criteria:

• Subject has had an acute pulmonary infection or pneumonia within prior 6 weeks ofstudy bronchoscopy.
• Subject has had a CB and/or COPD exacerbation (requiring steroids and/or antibiotics)within 6 weeks prior to study bronchoscopy, as defined by their treating physician
• Subject has clinically significant bronchiectasis or other respiratory disease otherthan chronic bronchitis and COPD.
• Diagnosis of asthma with an onset before 30 years of age
• Subject has bullous emphysema characterized as large bullae >30 millimeters on CT.
• Subject has had a transplant.
• Subject has the inability to walk >140 meters
• Subject has PaC02 >8kPa, or a PaO2<7kPa at room air.
• Subject has a RVSP >45mmHg or a LVEF<45% on 2D-cardiac echo.
• Subject has undergone lung surgery: pneumonectomy, lobectomy, bullectomy, lung volumereduction surgery
• Subject has had a prior lung device procedure, including emphysema stent(s) implanted,lung coils, valves, lung denervation or other devices for emphysema.
• Subject is unable to temporarily discontinue use of anticoagulant therapy: warfarin, Coumadin, LMWH, heparin, clopidogrel (or equal)
• Subject is on >10 mg of prednisolone/day.
• Subject has a serious medical condition, such as: uncontrolled congestive heartfailure, uncontrolled angina, myocardial infarction in the past year, renal failure,liver disease, cerebrovascular accident within the past 6 months, uncontrolleddiabetes, hypertension, autoimmune disease or uncontrolled gastric reflux
• Subject is pregnant, nursing, or planning to get pregnant during study duration.
• Subject has received chemotherapy within the past 6 months or is expected to receivechemotherapy during participation in this study.
• Subject is or has been in another clinical investigational study within 6 weeks ofbaseline.
• Subject has known sensitivity to medication required to perform bronchoscopy (such aslidocaine, atropine, and benzodiazepines).
• Subject has been in another clinical investigational study within 6 weeks of baseline.