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To compare the clinical outcome (effectiveness) of single inhaled corticosteroid (ICS) controller treatment guided by exhaled NO measurement made at home with usual care asthma management with regard to asthma control (primary outcome), asthma-related quality of life, lung function, airway inflammation, medication use, and asthma events.
To understand changes in patient behaviour triggered by daily FENO measurement at home, for example treatment adherence and voluntary allergen exposure.
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The design is a pragmatic randomized controlled, open-label, parallel group study Screening visit 1 and visit 2 is separated with a 2-4 week run-in period. At screening visit, Informed Consent is signed and atopic asthma confirmed, spirometry is performed and questionnaires responded to. At visit 2 venous blood samples are taken and serum stored at -20 °C for later transport to Uppsala Biobank, Exhaled NO is measured at both visit using NIOX MINO (blinded in control group).
There will be a follow-up clinic visit 3 at 6 months with exhaled NO measurement (blinded in control group) and limited set of questionnaires. A second follow-up visit 4 at 12 months with exhaled NO, spirometry, full set of questionnaires and blood sample will be made.
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142 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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