- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03435237
Phenotyping Asthma for Bronchial Thermoplasty
Phenotyping Asthma for Bronchial Thermoplasty: Airway Smooth Muscle Structure and Function
Study Overview
Status
Conditions
Detailed Description
Asthma currently affects over 300 million individuals worldwide and the number of the affected patient is continuously increasing. Approximately 10% of asthmatics have poorly controlled, severe symptoms.
The exact mechanisms behind the development of asthma are unknown. However, the excessive contraction of airway smooth muscle leading to airway constriction is thought to be responsible for the majority of the symptoms of asthma. A new treatment option, termed bronchial thermoplasty, can offer relief for individuals with severe asthma. Bronchial thermoplasty works by reducing smooth muscle with thermal energy.
This new imaging technology, called optical coherence tomography (OCT) is the first imaging modality that is capable to visualize airway smooth muscle in humans. In this study the investigators will examine the asthmatic airways before and after bronchial thermoplasty to learn about how airways respond to this treatment. The long term goal of this study is to use OCT to look at the airways with the hope of helping clinicians monitor and predict the response to bronchial thermoplasty.
During the scheduled bronchial thermoplasty procedure, OCT imaging will be performed. The study imaging will add less than 10 minutes to the time required for the standard procedure.Twelve months following the completion of bronchial thermoplasty, the investigators will ask the participants to return to the hospital to undergo follow-up tests including a CT scan and a bronchoscopy procedure with repeat OCT imaging. The investigators expect these test to be accomplished in 2 additional visits.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Melissa J Suter, PhD
- Phone Number: 617-724-7691
- Email: msuter@mgh.harvard.edu
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02114
- Recruiting
- Massachusetts General Hospital
-
Contact:
- Melissa J Suter, PhD
-
Boston, Massachusetts, United States, 02215
- Recruiting
- Beth Israel Deaconess Medical Center
-
Contact:
- Adnan Majid, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Patient undergoing elective bronchial thermoplasty
- Patient is between the ages of 18 and 60
- Patient is able to give informed consent
- Negative pregnancy test for all female of childbearing potential who are sexually active and not using contraception, are seeking to become pregnant, or who are nursing.
- Nonsmoking (<5 pack year tobacco exposure)
- No history of co-existing lung disease
Meet American Thoracic Society criteria for diagnosis of asthma with either/or
- Bronchodilator response to albuterol (≥12% change in FEV1)
- Positive methacholine bronchoprovocation (PC20 < 25 mg/ml)
Exclusion Criteria:
- Patients who are pregnant.
- Patient does not meet the requirements to undergo clinical bronchial thermoplasty, as determined by the treating physician
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Evaluate OCT for assessing bronchial thermoplasty
Time Frame: 1 year
|
Does OCT imaging detect biomarkers that may predict patient's clinical response to bronchial thermoplasty as assessed by the Asthma Quality of Life Questionnaire.
|
1 year
|
Evaluate OCT for assessing bronchial thermoplasty
Time Frame: 1 year
|
Does OCT imaging detect biomarkers that may predict patient's clinical response to bronchial thermoplasty as assessed by the pulmonary function tests.
|
1 year
|
Evaluate OCT for assessing bronchial thermoplasty
Time Frame: 1 year
|
Does OCT imaging detect biomarkers that may predict patient's clinical response to bronchial thermoplasty as assessed by airway inflammation.
|
1 year
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Melissa J Suter, PhD, Massachusetts General Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2017P000962
- 1R01HL133664-01A1 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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