- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT03741322
A 24 Month Observational Study of Infants 3-24 Months, Who Suffer an Acute Episode of Respiratory Infection and Wheezing Illness (BIOPA)
24. november 2020 opdateret af: Duke University
Respiratory BIOmarkers in Viral Wheezing That Predict Asthma
This study will identify infants between the age of 3 and 24 months of age who are experiencing one of their first acute respiratory infections with confirmed wheezing.
Infants who are also confirmed to be wheezing and whose caregiver signs consent will be enrolled from a primary care clinic, emergency room or hospital.
Studieoversigt
Status
Afsluttet
Betingelser
Detaljeret beskrivelse
BACKGROUND: Respiratory virus infections are extremely common in young children.
These infections typically lead to inflammation and constriction of the airways, which is termed bronchiolitis.
Bronchiolitis is the leading cause of hospitalization for infants with respiratory infections, with an average of 120,000 children under the age of one hospitalized every year.
Viral infection by Respiratory Syncytial Virus (RSV), rhinoviruses, or influenza viruses is thought to be by far the major driver of bronchiolitis.
The children who need to be hospitalized with bronchiolitis have a drastically increased chance (about 45%) of developing chronic respiratory diseases such as wheezing or asthma.
The disease of asthma affects children more than adults, and the Centers For Disease Control states that asthma is the most chronic condition among children under the age of 18, affecting more than 6 million (or 8.4%) children in the US.
Due to this prevalence, asthma is the third leading cause of hospitalization among children under the age of 15 years, with the annual direct healthcare costs at ~$50 billion every year.
The economic costs associated with parental lost productivity is another ~$6 billion every year.
The American Lung Association states that asthma is also one of the leading causes of school absenteeism, with an estimated 13.8 million lost school days every year.
While asthma can be managed with bronchodilator inhalers, there is not a single treatment designed to prevent or reverse asthma disease.
Understanding how viral infection causes initial bronchiolitis and maintains the chronic inflammation that leads to asthma will lead to new treatments that prevent or reverse chronic lung diseases.
This research has the potential to change everyday life for millions of children and their families in the US.
Undersøgelsestype
Observationel
Tilmelding (Faktiske)
5
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiesteder
-
-
North Carolina
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Durham, North Carolina, Forenede Stater, 27710
- Duke University Medical Center
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-
Deltagelseskriterier
Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.
Berettigelseskriterier
Aldre berettiget til at studere
3 måneder til 2 år (Barn)
Tager imod sunde frivillige
N/A
Køn, der er berettiget til at studere
Alle
Prøveudtagningsmetode
Ikke-sandsynlighedsprøve
Studiebefolkning
Participants will be offered enrollment into the study via Institutional Review Board-approved methods including review of newly hospitalized patients to Duke Children's Hospital, patients seen in the Duke Children's Hospital Emergency Room, and patients seen in a Duke Children's ambulatory clinics.
Consent: The study will be explained to the participant and caregiver by trained study staff (Principal Investigator, Co-Investigator, research coordinator or research assistant).
Beskrivelse
Inclusion Criteria:
- Documented informed consent from legal guardian prior to study procedures
- Age: 3-24 months at the time of visit 1
- Severe lower respiratory wheezing illness confirmed by auscultation requiring hospitalization or acute care (Emergency Department care or unscheduled ambulatory care)
Exclusion Criteria:
- No prior hospital admissions for wheezing illnesses
- No prior diagnosis of asthma or Reactive Airways Disease
- More than 1 prior episode of wheezing confirmed by auscultation
- No congenital or chronic disease which would negatively affect the conduct of the study (e.g. childhood cancer, cystic fibrosis, interstitial lung disease, prior aero-digestive surgery)
- No diagnosis of bronchopulmonary dysplasia
- No premature birth (gestational age < 32 weeks)
- Daily treatment with a daily asthma controller (e.g. Montelukast, inhaled corticosteroid)
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
---|
Infants ages 3-24 months with respiratory infections
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Persistent Asthma Phenotype (PAP)
Tidsramme: Measured at 24 months
|
Participants will be assessed for meeting criteria for the persistent asthma phenotype which will be defined as meeting any Asthma Predicative Indices plus abnormal lung pulmonary function testing by Impulse oscillometry (either from peripheral airway resistance or bronchodilator responsiveness).
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Measured at 24 months
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Total confirmed Respiratory tract infections as measured by nasal secretion sampling.
Tidsramme: Up to 24 months
|
Up to 24 months
|
|
Pulmonary Function Testing (iPFT)
Tidsramme: Measured at 24 months
|
Impulse Oscillometry (IOS) simply requires the child to breathe in and out through a mouthpiece for 20-30 seconds.
During breathing, a loudspeaker delivers a quiet pulse-shaped pressure-flow signal to the respiratory system.
The overall respiratory system impedance (Z) is measured and reflects the resistive and viscoelastic forces of the respiratory system determined from the returning signal.
Outcome data are reported as respiratory system resistance (R) and reactance (X) measured in centimeters of water per liter per second.
Measurements from the 3 efforts for each outcome parameter will be averaged for the final result.
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Measured at 24 months
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Presence or absence of Loose Asthma Predictive Indices
Tidsramme: 24 months
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Lose API is based on based on any wheezing in first 3 years of life plus, One of the following two: Parental asthma or child eczema, AND Two of the following three: eosinophilia, wheezing without colds, and allergic rhinitis.
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24 months
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Presence or absence of Strict Criteria for API
Tidsramme: 24 months
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Strict API is measured based on Early Frequent wheezing in first 3 years of life plus, One of the following two: Parental asthma or child eczema, AND Two of the following three: eosinophilia, wheezing without colds, and allergic rhinitis.
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24 months
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Presence or absence of Modified API
Tidsramme: 24 months
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Modified API is measured based on ≥4 wheezing episodes in a year plus, One of the following two: Parental asthma or child eczema or allergic sensitization to at least one aeroallergen, AND Two of the following three: eosinophilia, wheezing without colds, and allergic sensitization to milk, egg or peanuts.
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24 months
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Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Sponsor
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Jason Lang, MD, MPH, Duke University
Datoer for undersøgelser
Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.
Studer store datoer
Studiestart (Faktiske)
12. december 2018
Primær færdiggørelse (Faktiske)
16. juni 2020
Studieafslutning (Faktiske)
16. juni 2020
Datoer for studieregistrering
Først indsendt
25. oktober 2018
Først indsendt, der opfyldte QC-kriterier
12. november 2018
Først opslået (Faktiske)
14. november 2018
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
25. november 2020
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
24. november 2020
Sidst verificeret
1. november 2020
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- Pro00100494
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
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