- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00817180
Long-term Study, Comparing Vest Therapy to Positive Expiratory Pressure (PEP) Therapy in the Treatment of Cystic Fibrosis
Multi-centre, Long-term Comparative Trial of High Frequency Chest Wall Oscillation Versus Positive Expiratory Pressure Mask in the Treatment of Cystic Fibrosis
Study Overview
Status
Conditions
Detailed Description
Objective This is a pilot study to evaluate the long-term clinical efficacy of high frequency chest wall oscillation (HFCWO) using the inCourage vest system, compared to positive expiratory pressure mask (PEP) in the treatment of patients with cystic fibrosis.
Study Design This is a one year prospective multi-centre randomized controlled trial of HFCWO versus PEP as airway clearance techniques in patients with cystic fibrosis. Number of respiratory exacerbations will be compared between the two treatment arms. Slope of percent predicted in FEV1, activity level, quality of life, cost analysis and subject satisfaction will also be compared.
Number of subjects Enrollment will be completed after 170 subjects have been recruited, approximately 85 in each arm.
Number of sites The study will involve between 14 CF centres in Canada.
PERSCRIBED AIRWAY CLEARANCE TECHNIQUE The test airway clearance technique is the
- High Frequency Chest Wall Oscillation using the InCourage Vest System. This will be compared to
- The Positive Expiratory Pressure Mask Technique. Subjects will be randomized to perform one of these techniques as their airway clearance technique for the period of the study.
PRIMARY ENDPOINT Primary: Difference in the number of respiratory exacerbations. (For definition see Appendix A). Defined by the presence of one major criteria or 2 minor signs or symptoms.
Major Criteria:
- Decrease in FEV1 of ≥10% from best baseline within past 6 months, unresponsive to ventolin.
- Oxygen saturation <90% on room air or ≥ 5% decline from previous baseline.
- New finding(s) on chest radiograph.
- Hemoptysis (more than streaks on more than one occasion in past week).
Minor Signs/symptoms:
- Increased work of breathing or respiratory rate.
- New or increased adventitial sounds on lung exam.
- Weight loss ≥ 5% of body weight or decrease across one major percentile in weight percentile for age within the past 6 months.
- Increased cough.
- Decreased exercise tolerance or level of activity.
- Increased chest congestion or change in sputum.
For minor signs/symptoms, duration of symptoms need to be ≥ 5 days or significant symptom severity.
SECONDARY ENDPOINTS
Secondary:
- The time to the first respiratory exacerbation will be measured in each group using the same definition of a respiratory exacerbation as used for the primary outcome.
- Change in FEV1 measured as difference in the yearly mean rate of decline (Appendix E).
- Cost analysis between the two groups.
- Quality of life questionnaire.
- Patient satisfaction questionnaire.
- Adherence to treatment.
DATA SAFETY MONITORING COMMITTEE
The study will be monitored by a Data Safety Monitoring committee (DSMC). The will communicate regularly either by teleconference, email or by face to face meetings, to deal with issues that arise. The will review all serious adverse events as they occur. The DSMC may request an analysis at any time. At the end of the randomized trial, a report of select final analyses will be provided the DSMC. The study may be terminated if the investigators, medical monitor, or DSMC have significant concerns about the safety of HFCWO based on serious adverse events, other safety data or the conduct of the trial.
STATISTICS Primary Analysis: The number of exacerbations during treatment will be determined in each arm and the difference between the groups calculated with 95% confidence limits as a measure of precision.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Quebec, Canada, G1V 4G2
- Centre Mere-Enfant du CHUQ
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Alberta
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Calgary, Alberta, Canada, T2N 2T9
- Foothills Medical Centre
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Edmonton, Alberta, Canada, T6G 2B7
- University Of Alberta Hospitals
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Edmonton, Alberta, Canada, T3B 2C8
- Alberta Children's Hospital
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British Columbia
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Vancouver, British Columbia, Canada, V6Z 1Y6
- St. Paul's Hospital
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Vancouver, British Columbia, Canada, V6H 3V4
- BC Children's Hospital
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Manitoba
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Winnipeg, Manitoba, Canada, R3A 1S1
- Children's Hospital of Winnipeg
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Newfoundland and Labrador
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St. John's, Newfoundland and Labrador, Canada, A1C 5B8
- St. Clare's Mercy Hospital
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Ontario
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Ottawa, Ontario, Canada, K1H 8L1
- Children's Hospital of Eastern Ontario
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Ottawa, Ontario, Canada, K1H 8L6
- Ottawa General Hospital
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Toronto, Ontario, Canada
- The Hospital for Sick Children, Toronto
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Quebec
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Montreal, Quebec, Canada, H3H 1P3
- Montreal Children's Hospital
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Montreal, Quebec, Canada, H3T 1C5
- CHU Ste-Justine
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female 6 years of age or older at enrollment and be competent in performing spirometry.
- Confirmed diagnosis of CF.
- FEV1> 45% predicted as calculated by Wang reference equations
- Written informed consent (and assent when applicable) obtained from subject or subject's legal representative and ability for subject to comply with the requirements of the study.
- Clinically stable at enrollment with no evidence of respiratory exacerbation within a month of enrollment as assessed by the site CF Physician.
- Willingness to adhere to prescribed treatment regimen.
Exclusion Criteria:
- Diagnosis of Allergic Broncho-Pulmonary Aspergillosis, or a persistent culture for B.cepacia complex within the previous 1 year period
- .On active treatment for non Tuberculous Mycobacterium.
- Use of intravenous antibiotics within the previous 14 days of enrollment.
- Initiation and or change in maintenance therapy within 14 days of enrollment.
- Use of systemic corticosteriods (1mg/kg if < 20 kg or 20 mg of prednisone per day) within 14 days of enrollment.
- Concurrent participation in another study that could potentially affect the present study.
- Haemoptysis of over 20 mls on more than 2 occasions within the previous 30 days from enrollment.
- A pneumothorax in the six months preceding the study.
- Presence of a condition or abnormality that in the opinion of the site CF Physician would compromise the safety of the patient or the quality of the data.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: A
Positive Expiratory Pressure (PEP) - an airway clearance technique
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Physiotherapy technique for airway clearance
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Active Comparator: B
High Frequency Chest Wall Oscillation (HFCWO) also known as the 'Vest technique' - an airway clearance technique.
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Physiotherapy technique for airway clearance.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Difference in the number of respiratory exacerbations during the 1 year study period
Time Frame: 1 year
|
1 year
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
The time to the first respiratory exacerbation. Change in FEV1 measured as difference in the yearly mean rate of decline. Cost analysis between the two groups. Quality of life questionnaire. Patient satisfaction questionnaire and Adherence to treatment.
Time Frame: 1 year
|
1 year
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Maggie McIlwaine, Physio, BC Children's Hospital, Vancouver
- Study Director: George Davidson, MD, BC Children's Hospital, Vancouver
- Study Director: Candice Bjornson, MD, Alberta Children's Hospital
- Study Director: Clare Smith, Physio, Alberta Children's Hospital
- Study Director: Hans Pasterkamp, MD, Children's Hospital of Winnipeg
- Study Director: Linda Kraemer, Physio, Children's Hospital of Winnipeg
- Study Director: Felix Ratjen, MD, The Hospital for Sick Children, Toronto
- Study Director: Jennifer Agnew, Physio, The Hospital for Sick Children, Toronto
- Study Director: Larry Lands, MD, Montreal Children's Hospital of the MUHC
- Study Director: Nancy Alarie, Physio, Montreal Children's Hospital of the MUHC
- Study Director: Pearce Wilcox, MD, St. Paul's Hospital, Vancouver
- Study Director: Brigette Wilkins, Physio, St. Paul's Hospital, Vancouver
- Study Director: Sherri Katz, MD, Children's Hospital of Eastern Ontario, Ottawa
- Study Director: Linda Lapointe, Physio, Children's Hospital of Eastern Ontario
- Study Director: Shawn Aaron, MD, The Ottawa Hospital
- Study Director: Lynne Orser, Physio, The Ottawa Hospital
- Study Director: Harvey Rabin, MD, Foothills Medical Centre, Calgary
- Study Director: Julie Wilson, Physio, Foothills Medical Centre, Calgary
- Study Director: Mary Noseworthy, MD, Janeway Children's Health & Rebab. Centre, St. John's
- Study Director: Stephanie Spencer, Physio, St. Clare's Mercy Hospital, St. John's
- Study Director: Peter Zuberbuhler, MD, University of Alberta Hospitals, Edmonton
- Study Director: Suzanne Bergsten, Physio, University of Alberta Hospitals, Edmonton
- Study Director: Neil Brown, MD, University of Alberta Hospitals, Edmonton
- Study Director: Joyce Sharum, Physio, University of Alberta Hospitals, Edmonton
- Study Director: Jacques-Edouard Marcotte, MD, CHU Ste-Justine, Montreal
- Study Director: Nadia Marquis, Physio, CHU Ste-Justine, Montreal
- Study Director: Patrick Daigneault, MD, CHUQ, Universite Laval, Quebec
- Study Director: Christine Bouchard, Physio, CHUL, Universite Laval, Quebec
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- H07-03181
- CW08-0128
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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