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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02282202
Other study ID # ROB0038
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 2013
Est. completion date September 2014

Study information

Verified date June 2018
Source Western University, Canada
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to evaluate the safety and efficacy of four times daily Positive Expiratory Pressure (oPEP) (Aerobika ®) maneuvers over three weeks in individuals with bronchiectasis and chronic obstructive pulmonary disease (COPD) with chronic sputum production. The investigators hypothesize that four times daily positive expiratory pressure using the Aerobika ® will significantly improve dyspnea, movement of mucus, St. George's Respiratory Questionnaire (SGRQ) score, and six-minute walk distance (6MWD) after three weeks of four times daily administration.


Description:

Cough and sputum production are common in Bronchiectasis and chronic obstructive pulmonary disease (COPD), both of which are associated with significant morbidity and other adverse clinical outcomes. Airway clearance techniques (ACTs) such as afforded by oscillatory Positive Expiratory Pressure (oPEP) (Aerobika ®) aim to remove sputum from the lungs, however evidence of their efficacy during stable disease is unclear.

The objective of this study is to evaluate the safety and efficacy of four times daily Positive Expiratory Pressure maneuvers over three weeks in individuals with bronchiectasis and COPD with chronic sputum production. The oPEP device (Aerobika ®) combines positive expiratory pressure therapy and airway vibrations to help mobilize pulmonary secretions. oPEP therapy enforces a resistance to exhalation at the mouth while the airway vibration technology transmits movements upstream during exhalation so that airway walls may become free from mucus. An adjustable dial allows users to adjust the frequency and the flow resistance based on their individual needs. Subjects will take a device home and use four times daily during the active part of the study. We hypothesize that daily oPEP use will significantly improve dyspnea, movement of mucus, SGRQ score, and 6MWD after three weeks of four times daily administration.

This is a randomized cross-over unblinded study in 30 subjects: ten with bronchiectasis and 20 with COPD (with chronic bronchitis and chronic mucus production identified). Five subjects from the Bronchiectasis group and ten from the COPD group will start with oPEP and use for three weeks. All subjects will crossover at Visit Two after three weeks of oPEP therapy or three weeks of no therapy. Each subject will visit the centre on three occasions: Baseline, Crossover Visit, and Final Visit for approximately one hour each and will perform: 1) spirometry and plethysmography, 2) 6MWT, and 3) health status evaluation using a self-administered SGRQ. Subjects will first provide written informed consent and will complete: 1) SGRQ after inhaling 2-4 puffs (200-400µg) of the short-acting bronchodilator (eg. Salbutamol), 2) plethysmography and spirometry 35 (±five minutes) post-salbutamol. Vital signs will be documented and subjects will rest for approximately 15 minutes before the six-minute walk test (6MWT) post-salbutamol. Subjects will be given an oPEP therapy system (Aerobika ®) to use at home, four times per day. Instruction and training on the use of the device will be given at the baseline visit. Subjects will be required to return the device upon completion of the study.


Recruitment information / eligibility

Status Completed
Enrollment 32
Est. completion date September 2014
Est. primary completion date September 2014
Accepts healthy volunteers No
Gender All
Age group 40 Years to 85 Years
Eligibility Inclusion Criteria:

- Subjects male and female aged 40-85 with either a clinical diagnosis of bronchiectasis or COPD with chronic bronchitis and chronic mucous production identified

- Subject understands the study procedures and is willing to participate in the study as indicated by signature on the informed consent

- Subject is judged to be in otherwise stable health on the basis of medical history

- Subject is ambulatory and can perform the 6MWT

- Subject able to perform reproducible pulmonary function testing (i.e., the 3 best acceptable spirograms have FEV1 values that do not vary more than 5% of the largest value or more than 100 ml, whichever is greater.)

- FEV1 >25% predicted -FVC > 25% predicted and >0.5L

Exclusion Criteria:

- Patient is, in the opinion of the investigator, mentally or legally incapacitated, preventing informed consent from being obtained, or cannot read or understand the written material. Capacity to consent will be determined by either Dr. McCormack at the time of the clinic visit or Sandra Blamires, the study coordinator.

- Patient is unable to perform spirometry or plethysmography maneuvers

- Patient is pregnant

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Oscillating Positive Expiratory Pressure (Aerobika ®)
The oPEP system (Aerobika ®) combines positive expiratory pressure therapy and airway vibrations to help mobilize pulmonary secretions. oPEP therapy (Aerobika ®) enforces a resistance to exhalation at the mouth, while the airway vibration technology transmits movements upstream during exhalation so that airway walls may become free from mucous. Subjects will take home the device and use four times daily during the active part of the study. There is only one intervention for this study. Subjects are "on" treatment for three weeks and "off" for the alternate three weeks.

Locations

Country Name City State
Canada Robarts Research Insitute; The University of Western Ontario; London Health Sciences Centre London Ontario

Sponsors (2)

Lead Sponsor Collaborator
Western University, Canada London Health Sciences Centre

Country where clinical trial is conducted

Canada, 

References & Publications (3)

Ambrosino N, Callegari G, Galloni C, Brega S, Pinna G. Clinical evaluation of oscillating positive expiratory pressure for enhancing expectoration in diseases other than cystic fibrosis. Monaldi Arch Chest Dis. 1995 Aug;50(4):269-75. — View Citation

Cochrane GM, Webber BA, Clarke SW. Effects of sputum on pulmonary function. Br Med J. 1977 Nov 5;2(6096):1181-3. — View Citation

Oberwaldner B, Evans JC, Zach MS. Forced expirations against a variable resistance: a new chest physiotherapy method in cystic fibrosis. Pediatr Pulmonol. 1986 Nov-Dec;2(6):358-67. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in sputum production Change in sputum production from subject self-reported questionnaires performed weekly weekly for six weeks
Secondary Six Minute Walk Distance (6MWD) Baseline, 3-weeks (cross-over), 6-weeks
Secondary Pulmonary function measurements Pulmonary function measurements include FEV1 (Forced expiratory volume in 1 second); FVC (forced vital capacity); FEV1/FVC ratio; TLC (total lung capacity); RV (residual volume); DLCO (Diffusing capacity of the lung) Baseline, 3-weeks (cross-over), 6-weeks
Secondary St. George's Respiratory Questionnaire (SGRQ) Baseline, 3-weeks (cross-over), 6-weeks
Secondary Dyspnea (Patient Evaluation Questionnaire) Completed weekly for 6 weeks
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