Fractional concentration of nitric oxide in exhaled breath in children aged 7-10: survey in a primary health care setting

Fractional concentration of nitric oxide in exhaled breath in children aged 7-10: survey in a primary health care setting - FENO in children aged 7-10: survey in a primary health care setting

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON33345

Enrollment

450

Registered

2009-06-02

Start date

2009-06-03

Completion date

Unknown

Last updated

2024-05-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Asthma asthma symptoms

Interventions

None listed

Eligibility

Age

2 Years to 11 Years

Inclusion criteria

Inclusion criteria: alle children aged 7-10 years

Exclusion criteria

Exclusion criteria: Children with a doctor*s diagnosis of asthma and asthma medication in the past twelve months. Children with a contra-indication for salbutamol.

Design outcomes

Primary

Measure	Time frame
Main study parameters are the ISAAC questionnaire for asthma, rhinitis and eczema, spirometry (FEV1 and FVC), airway reversibility testing with salbutamol and FENO. Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of FENO and airway reversibility in undiagnosed asthma in children aged 7-10 years will be analysed.	—

Countries

Netherlands

Outcome results