- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04026360
Impact of Early Lung Physiology, Viral Infections and the Microbiota on the Development and Progression of Lung Disease in Children With Cystic Fibrosis (SCILD)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Background:
Cystic fibrosis (CF) is the most common lethal inherited disease in North European populations, affecting approximately 1:2500 live births. It is a multisystem disorder with respiratory morbidity and mortality being the leading cause of death. Lung disease in CF is characterized by neutrophil-dominated inflammation and chronic bacterial infection of the airways, which results in deterioration of lung function and premature death [1]. Despite improved survival in successive birth cohorts, the current median survival age of patients with CF is about 40 years [2]. Understanding the initiating events of CF lung disease (e.g viral infections and microbiome) and their influence on disease progression throughout early childhood is essential to improve survival through targeted early interventions.
Objectives:
The overarching aim of this study is to identify early life predictors of disease progression in children with CF. Therefore, this study implies three objectives, as follows: i) to investigate the effect of respiratory viral infections on microbiota dynamics in the first year of life in infants with CF, and to examine their influence on lung function at 1 year of age; ii) to examine whether deficits in lung function in the first year of life in infants with CF persist to pre- and school age and adolescence and are associated with impaired functional and structural abnormalities at 3, 6, 9, 12, 15 and 18 years of age; and iii) to determine the principal drivers of impaired lung function at 1 year and impaired lung function and structural outcomes at 3, 6, 9, 12, 15 and 18 years of age in individuals with CF.
Methods:
Lung function, magnetic resonance imaging (MRI), respiratory symptoms and quality of life questionnaires, microbiology, medical history and clinical data will be collected during each phase of the study.
Recruitment and participation:
Infants with CF diagnosed by NBS will be recruited at the time of their first lung function test in Bern at the age of 4-8 weeks. As part of the protocol for the diagnosis and follow-up of CF infants diagnosed by NBS, which has been implemented by the Task Force for CF NBS on behalf of the Swiss Working Group for Cystic Fibrosis, optional infant lung function at the University Children's Hospital of Bern is proposed to all parents of newly diagnosed CF infants.
Information collected:
Lung function data:
- Tidal breathing parameters (minute ventilation, respiratory rate, tidal volume, tidal expiratory flow, tidal inspiratory flow, time to peak expiratory flow) averaged over 100 breaths
- Multiple breath washout (FRC, LCI, moment ratios) and single breath washout (molar mass)
- Spirometric forced expiratory volume loops (FVC, FEV1, PEF, MEF50)
- Body plethysmography (airway resistance, lung volumes: TLC, FRC, RV)
- Respiratory Rate over 60 seconds
- Fractional exhaled nitric oxide (marker of airway inflammation)
- Resistance interrupter measurement
- Electric nose
- Forced oscillation technique
- Electrical impedance tomography
- Impedance plethysmography
Microbiological data:
- Nasal swabs (respiratory virus and bacterial diagnostics, as well as host transcriptome analysis)
- Pharyngeal swabs (bacterial colonization and microbiota analysis)
- Sputum (to analyse the neutrophils)
Blood count (hemoglobin concentration, hematocrit, leukocyte number, lymphocyte number, lymphocyte count, eosinophil count, basophil count, monocyte count, promyelocyte count, myelocyte count, platelet count, immunoglobulin E level, interleukins, Granulocyte-Monocyte-Colony Forming Unit, Tumor Necrosis Factor alpha, Interferon gamma and Interferon lambda)
Urine (to estimate the tobacco exposure during pregnancy (amount of Cotinine) and the content of caffeine and steroid profile)
Lung MRI:
Functional and structural images of the lung
Skin-Prick Test (test for pollen, trees, house dust mite, cat and dog)
Questionnaires (to assess quality of life)
Medical history (information on respiratory symptoms, pulmonary exacerbations, hospitalisations and regular therapy)
Study database:
All study data is recorded in an Access-database with SQL Servers by electronic Case Report Forms. The database is accordant to the HFG and was adapted together with the CTU.
Funding:
Schweizerischer Nationalfonds (SNF), Schweizerische Gesellschaft für Cystische Fibrose (CFCH), Departement Lehre und Forschung des Inselspitals Bern
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Philipp Latzin, MD PhD
- Phone Number: 0041 31 632 94 93
- Email: philipp.latzin@insel.ch
Study Locations
-
-
-
Bern, Switzerland, 3010
- Recruiting
- University Children's hospital Bern
-
Contact:
- Philipp Latzin, MD PhD
- Phone Number: 0041 31 632 94 93
- Email: philipp.latzin@insel.ch
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Infants with a confirmed diagnosis of CF by NBS
- Age <=18 years
- Written informed consent by patient and/or parent
Exclusion Criteria:
- Need for respiratory support for more than three days
- Severe malformations or known diseases other than CF
- Maternal drug abuse
- Known severe maternal disease
- Severe Problems of communication
- Pacemaker, continuous glucose monitor
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Multiple Breath Washout
Time Frame: Every third year from the age of 4-8 weeks/1 year till 18 years.
|
Longitudinal assessment of lung volume and ventilation inhomogeneity
|
Every third year from the age of 4-8 weeks/1 year till 18 years.
|
Spirometry
Time Frame: Every third year from the age of 4-8 weeks/1 year till 18 years.
|
Longitudinal assessment of long volumes.
|
Every third year from the age of 4-8 weeks/1 year till 18 years.
|
Body plethysmography
Time Frame: Every third year from the age of 4-8 weeks/1 year till 18 years.
|
Longitudinal assessment of ventilation inhomogeneity.
|
Every third year from the age of 4-8 weeks/1 year till 18 years.
|
Magnetic Resonance Imaging (MRI)
Time Frame: At the age of 4-8 weeks, 1, 3, 6, 9, 12, 15 and 18 years
|
Longitudinal assessment of regional lung perfusion and ventilation
|
At the age of 4-8 weeks, 1, 3, 6, 9, 12, 15 and 18 years
|
Nasal swabs
Time Frame: At the age of 4-8 weeks, 1, 3, 6, 9, 12, 15 and 18 years
|
Longitudinal assessment of viral and bacterial colonization of the nasal swab
|
At the age of 4-8 weeks, 1, 3, 6, 9, 12, 15 and 18 years
|
Weekly swabs
Time Frame: Weekly from the visit at the age of 4-8 weeks till the age of 1 year
|
Respiratory virus and bacterial diagnostic
|
Weekly from the visit at the age of 4-8 weeks till the age of 1 year
|
Swabs during respiratory infection
Time Frame: From the visit at the age of 4-8 weeks till the age of 1 year
|
Respiratory viruses and Bacteria, changes of the microbial flora
|
From the visit at the age of 4-8 weeks till the age of 1 year
|
Routine swabs in CF
Time Frame: At the age of 4-8 weeks, 1 year and at each 3-monthly clinic visit during the age of 3, 6, 9, 12, 15 and 18 years
|
Longitudinal assessment of bacterial changes, changes of the resistome (genes conferring antibiotic resistance) and the changes of the microbial flora
|
At the age of 4-8 weeks, 1 year and at each 3-monthly clinic visit during the age of 3, 6, 9, 12, 15 and 18 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Respiratory Rate (RR)
Time Frame: From the visit at the age of 4-8 weeks till the age of 1 year
|
The number of breaths over 60 seconds
|
From the visit at the age of 4-8 weeks till the age of 1 year
|
Sweat test
Time Frame: At the age of 3, 6, 9, 12, 15 and 18 years
|
Sweat Chloride concentration
|
At the age of 3, 6, 9, 12, 15 and 18 years
|
Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Philipp Latzin, MD PhD, University Children's hospital Bern
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- SCILD
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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