- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01271491
The Genetics of Respiratory Failure in Bronchiolitis
Study Overview
Status
Conditions
Detailed Description
We propose to conduct a prospective observational study of infants and children admitted with bronchiolitis to determine if genetic polymorphisms in a number of likely candidate immune response related genes are positively associated with respiratory failure in this population. Respiratory failure will be defined as requiring intubation and mechanical ventilation. We plan to enroll two groups of children, those admitted to the ICU with respiratory failure due to bronchiolitis (cases) and those children admitted to the ward with less severe bronchiolitis infection (controls). In special circumstances, we will also enroll pairs of twins who are hospitalized with bronchiolitis (in the ICU or the ward), for whom either one or both twins do not meet inclusion criteria as a case or a control and/or for whom we are not able to obtain a DNA blood sample while hospitalized (twin inpatient population).
Demographic data, and data regarding the hospital treatments and course of these children will be collected. Blood, saliva or sputum for genotyping will also be obtained. If a patient enrolled as a control needs to be intubated, these children cannot be control patients, but instead would be considered cases.
We propose to compare a population of 100 children with respiratory failure due to bronchiolitis to a population of 100 children with bronchiolitis without respiratory failure. Clinical characteristics and genetic markers will be compared. We will also compare clinical characteristics and genetic markers of any twin pairs who are enrolled.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Connecticut
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Hartford, Connecticut, United States, 06106
- Connecticut Children's Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria, cases:
- admission to the ICU with a primary diagnosis of bronchiolitis
- endotracheally intubated and mechanically ventilated with respiratory failure due to bronchiolitis
- age less than 2 years
Exclusion Criteria, cases:
pre-existing chronic disease including:
- bronchopulmonary dysplasia
- congenital heart disease
- immune deficiency
- requiring an additional venopuncture for blood collection for genotyping
Inclusion Criteria, controls:
- admission to the hospital with a primary diagnosis of bronchiolitis
- age less than 2 years
Exclusion Criteria, controls:
pre-existing chronic disease including:
- bronchopulmonary dysplasia
- congenital heart disease
- immune deficiency
- requiring an additional venopuncture for blood collection for genotyping
- requiring non-invasive positive pressure ventilation or high flow nasal cannula
- requiring intubation and mechanical ventilation during the hospitalization
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Control
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
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Cases
Children hospitalized in the ICU with bronchiolitis
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Controls
Children hospitalized in the general ward with bronchiolitis
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Respiratory Failure
Time Frame: 2 years
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The primary end point is respiratory failure.
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2 years
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Christopher L Carroll, MD, MS, Connecticut Children's Medical Center
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 (Actual)
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
- 10-097
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
product manufactured in and exported from the U.S.
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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