RejuvenAir® System Trial for COPD With Chronic Bronchitis (SPRAY-CB)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT03893370 |
Recruitment Status :
Recruiting
First Posted : March 28, 2019
Last Update Posted : April 19, 2021
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Chronic Bronchitis | Device: RejuvenAir System Device: Sham Control Procedure | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 330 participants |
Allocation: | Randomized |
Intervention Model: | Crossover Assignment |
Intervention Model Description: | randomized, sham-controlled |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Sham Controlled Prospective Randomized Clinical Trial of the RejuvenAir® System for the Treatment of Moderate to Severe Chronic Obstructive Pulmonary Disease With Chronic Bronchitis |
Actual Study Start Date : | July 9, 2020 |
Estimated Primary Completion Date : | October 2022 |
Estimated Study Completion Date : | September 2024 |

Arm | Intervention/treatment |
---|---|
Active Comparator: Treatment
RJA MCS
|
Device: RejuvenAir System
RejuvenAir Metered CryoSpray |
Sham Comparator: Sham Control
Sham
|
Device: Sham Control Procedure
Sham Control Procedure |
- Acute Exacerbation Rate (AECOPD) [ Time Frame: 12 months ]Acute Exacerbation rate (AECOPD, all severities) over 12 months
- St. George's Respiratory Questionnaire [ Time Frame: 12 months ]Change in St. George Respiratory Questionnaire (SGRQ) score from Treatment 1 to 12 months
- Number of subjects experiencing one or more serious adverse events (SAEs) rated as probably or definitely related to the study device or procedure by the investigator within 30 days after either the first or second study procedure. [ Time Frame: Within 30 days after either the first or second study procedure ]Number of subjects experiencing one or more serious adverse events (SAEs) rated as probably or definitely related to the study device or procedure by the investigator within 30 days after either the first or second study procedure.
- Reduction of cough [ Time Frame: Treatment 1 through 12 months ]Reduction of cough from Treatment 1 through 12 months
- Reduction of sputum [ Time Frame: Treatment 1 through 12 months ]Reduction of sputum from Treatment 1 through 12 months
- Rate and time to first mild/moderate/severe/very severe AECOPD [ Time Frame: 12 months ]Rate and time to first mild/moderate/severe/very severe AECOPD exacerbation at 12 months
- Time to next AECOPD exacerbation (mild/moderate/severe/very severe) [ Time Frame: 12 months ]Time to next AECOPD exacerbation (mild/moderate/severe/very severe)

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Ages Eligible for Study: | 40 Years to 80 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria
- Males and females ≥40 to ≤80 years of age
- Subject is able to read, understand, and sign a written Informed Consent in order to participate in the Study
- Subject has a diagnosis of chronic bronchitis (CB) and chronic obstructive pulmonary disease (COPD) for a minimum of two years. (Chronic Bronchitis is defined clinically as chronic productive cough for 3 months in each of 2 successive years in a patient in whom other causes of productive cough have been excluded)
- Subject is classified as having a moderate or severe (GOLD 2/3) airflow obstruction defined by a post-bronchodilator of ≥30% FEV1 to <80% predicted with a baseline FEV1/FVC of <0.70.
- Subject has a Baseline SGRQ of ≥50.
- Subject has had either 2 moderate exacerbations or 1 severe exacerbation in the past year. (exacerbations must be documented)
- Subject demonstrates daily cough and significant mucus.
- Subject is being treated according to current medically accepted treatment guidelines for chronic bronchitis for minimum of 3 months prior to enrollment into the study. Subject agrees to continue maintenance pulmonary/COPD medications (GOLD standard medications recommended) for the duration of the study
- Smoking history of at least 10 pack years
- Non-smoking for a minimum of 2 months prior to consent and agrees to continue not smoking for the duration of the study
- Subject is able to adhere to and undergo 2 bronchoscopic procedures (cross over subjects may undergo two additional bronchoscopic procedures, if they agree to treatment), per hospital guidelines
- Subject demonstrates ability and willingness to use a daily eDiary
Exclusion Criteria
- Subject has had an acute pulmonary infection, exacerbation or pneumonia requiring medical treatment (with antibiotics and/or steroids) within 4 weeks prior of initially planned study bronchoscopy
- Diagnosis of Asthma
- Subject has Alpha-1 antitrypsin deficiency
- Subject has other origins of respiratory disease aside from chronic bronchitis and COPD
- Subject is using e-cigarettes, vaping or taking any inhaled substances not prescribed by a physician
- Subject has untreatable or life threatening arrhythmias, inability to adequately oxygenate during the bronchoscopy, or has acute respiratory failure
- Subject has bullous emphysema characterized as large bullae >30 millimeters on HRCT; or subject has stenosis in the tracheobronchial system, tracheobronchomegaly, trachea-bronchomalacia, amyloidosis or cystic fibrosis
- Subject has clinically significant bronchiectasis
- Subject has had a transplant procedure (any)
- Subject has a known mucosal tear, has undergone prior lung surgery such as pneumonectomy, lobectomy, bullectomy, or lung volume reduction surgery
- Subject has had a prior lung device procedure, including emphysema stent(s) implanted, lung coils, valves, lung denervation, bronchial thermoplasty, cryotherapy or other therapies
- Subject is unable to temporarily discontinue use of anticoagulant therapy: warfarin, Coumadin, LMWH, heparin, clopidrogel (or equal)
- Subject has a serious medical condition, such as: uncontrolled coagulopathy or bleeding disorder, congestive heart failure, uncontrolled angina, myocardial infarction in the past year, renal failure, liver disease, cerebrovascular accident within the past 6 months, uncontrolled diabetes, uncontrolled hypertension, autoimmune disease or uncontrolled gastric reflux
- Subject is pregnant, nursing, or planning to get pregnant during study duration
- Subject has or is receiving chemotherapy or active radiation therapy within the past 6 months or is expected to receive chemotherapy during participation in this study
- Subject is or has been in another clinical investigational study within 6 weeks of enrollment and agrees to not participate in any other treatment studies for the duration of study participation
- Subject has known sensitivity to medication required to perform bronchoscopy (such as lidocaine, atropine, and benzodiazepines)

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03893370
Contact: Fran Avery, BS | 781-538-4735 | fkuhnen@csamedical.com | |
Contact: Joyce Musacchio, BS | 781-538-4794 | jmusacchio@csamedical.com |

Principal Investigator: | Gerard Criner, MD | Temple University Health System |
Responsible Party: | CSA Medical, Inc. |
ClinicalTrials.gov Identifier: | NCT03893370 |
Other Study ID Numbers: |
016 |
First Posted: | March 28, 2019 Key Record Dates |
Last Update Posted: | April 19, 2021 |
Last Verified: | March 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | Yes |
Device Product Not Approved or Cleared by U.S. FDA: | Yes |
Bronchitis Bronchitis, Chronic Acute Disease Bronchial Diseases Respiratory Tract Diseases Lung Diseases, Obstructive |
Lung Diseases Respiratory Tract Infections Disease Attributes Pathologic Processes Pulmonary Disease, Chronic Obstructive |