None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Written informed consent be obtained from caregivers 2) Assent from children who are 6 to 15 years of age 3) Asthma patients who are confirmed by methacholine challenge test: PC20(provocativecon centration causing 20% fall in FEV1) < 8 mg/ml or increase FEV1(Forced expiratory volume in 1 second) over 12% after using bronchodilator
Exclusion criteria
Exclusion criteria: 1) Present sinusitis 2) Present nasal polyp 3) Present otitis media 4) Immotile cilia syndrome 5) Immune compromised patients 6) Severe asthma (FEV1(Forced expiratory volume in 1 second) < 60%) 7) Unable to irrigate nose due to mental retardation or cognition impairment
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Improvement of bronchial hypersensitivity by PO 20(provocativecon centration causing 20% fall in FEV1) of methacholine challenge test | — |
Secondary
| Measure | Time frame |
|---|---|
| FeNO (fractional exhaled nitric oxide);Daily symptom diary;asthma control test;Sefum chitinase;Acoustic rhinometry;Questionnaire for Quality-of-Life Specific to the Allergic Rhinitis in Korean Children, QQOL-ARK;Rhinitis Control Assessment Test (RCAT);nasal eosinophil count | — |
Countries
Korea, Republic of
Contacts
Samsung Medical Center