Within-day and Between-day Repeatability of the Breath Pattern in Healthy Children and in Children With Asthma (CERS)
Within-day and Between-day Repeatability of the Breath Pattern in Healthy Children and in Children With Moderate Asthma
"Within-day and Between-day Repeatability of the Breath Pattern in Healthy Children and in Children With Moderate Asthma" is an observational prospective study in outpatient clinic of Pediatric Allergology & Pulmonology (PAP) within the Institute of Biomedicine and Molecular Immunology (IBIM) of the National Research Council (CNR) of Palermo (IBIM CNR), Italy.
The electronic nose (E-nose) has been proposed as a novel, non-invasive tool to evaluate the level of airway inflammation for different respiratory diseases, especially in children. To date, there are no data on the within-day and the between-day repeatability of the breath pattern in healthy children and in children with moderate asthma.
The breath pattern will be analyzed by collecting, for each child, three samples of the breath through the E-nose. Within-day repeatability will be assessed using two consecutive measurements (the second one after 30 minutes). Between-day repeatability will be assessed using a third measurement repeated after 7 days.
The study is expected to provide information about the accuracy of E-nose measurements for a child population.
Studieoversikt
Status
Intervensjon / Behandling
Studietype
Registrering (Faktiske)
Kontakter og plasseringer
Studiesteder
-
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Sicily
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Palermo, Sicily, Italia, 90146
- Institute of Biomedicine and Molecular Immunology (IBIM), National Research Council
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Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Prøvetakingsmetode
Studiepopulasjon
A study population of 15 asthmatic children (moderate asthma) attending the outpatient clinic of Pediatric Allergology & Pulmonology (PAP) within the Institute of Biomedicine and Molecular Immunology (IBIM) of the National Research Council (CNR) of Palermo (IBIM CNR).
A control group of healthy children (n=30), recruited from the primary schools involved in the municipal project "educational pathways" (Palermo, Italy) to which the PAP group partecipates.
Beskrivelse
The inclusion criteria for asthmatic children are:
- Moderate asthma (GINA 2015);
- Age 6-11 years;
- No upper airway respiratory infections or exacerbations in the last 4 weeks;
- Steroid-naive asthma;
- Positive bronchodilator response;
- Non smoker.
The inclusion criteria for healthy children are:
- Age 6-11 years;
- No upper airway respiratory infections in the last 4 weeks;
- Non smoker;
- No history of asthma and respiratory diseases during the life;
- Negative bronchodilator response.
The exclusion criteria are:
- Symptoms of acute respiratory infection;
- Immunological and metabolic systemic disease;
- Major malformations of the upper airways;
- Active smoker.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
Kohorter og intervensjoner
Gruppe / Kohort |
Intervensjon / Behandling |
|---|---|
|
15 children with moderate asthma
Assessment of E-nose measurements: three E-nose measurements on 15 children with moderate asthma (of both sex and 6-11 years old): first measurement, second one after 30 minutes, third one after 7 days.
These children attend the outpatient clinic of Pediatric Allergology & Pulmonology (PAP) within the Institute of Biomedicine and Molecular Immunology (IBIM) of the National Research Council (CNR) of Palermo (IBIM CNR).
|
Breath sampling through E-nose pneumopipe
|
|
30 healthy children
Assessment of E-nose measurements: three E-nose measurements on 30 healthy children (of both sex and 6-11 years old): first measurement, second one after 30 minutes, third one after 7 days.
These children attend the primary schools involved in the municipal project "Educational Pathways" (Palermo).
|
Breath sampling through E-nose pneumopipe
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
|
Electronic nose measurements
Tidsramme: 1 week
|
Several volatile organic compounds, including isoprene, 1,2-pentadiene, acetone, ethanol, pentane and ethane, identified in exhaled breath.
|
1 week
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Fraction of Exhaled Nitric Oxide (FeNO)
Tidsramme: 1 week
|
1 week
|
|
Pulmonary function (FEV1, FVC, etc.)
Tidsramme: 1 week
|
1 week
|
Samarbeidspartnere og etterforskere
Samarbeidspartnere
Publikasjoner og nyttige lenker
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Primær fullføring (Faktiske)
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- 5/2016
Plan for individuelle deltakerdata (IPD)
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