Association Between Fractional Exhaled Nitric Oxide and Asthma Control
FeNO_AS
1 other identifier
observational
62
1 country
1
Brief Summary
The purpose of this study is to determine mean or median of fractional exhaled nitric oxide (FeNO) in Thai atopic asthmatic patients that divided into subgroups due to level of asthma control according to the global initiative for asthma guideline.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Feb 2010
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2010
CompletedFirst Submitted
Initial submission to the registry
July 18, 2010
CompletedFirst Posted
Study publicly available on registry
September 9, 2010
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2010
CompletedSeptember 18, 2015
September 1, 2015
10 months
July 18, 2010
September 17, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
fractional exhaled nitric oxide level
10 minutes (average time), on the day of enrollment
Secondary Outcomes (1)
scores of asthma control test: ACT
5 minutes (average time), on the day of enrollment
Eligibility Criteria
atopic asthmatic patients in Department of Pediatrics, Siriraj hospital (tertiary care)
You may qualify if:
- clinical diagnosis of atopic bronchial asthma
- follow up in clinic of allergy and clinical immunology, Siriraj hospital
You may not qualify if:
- smoker or past history of smoking
- has chronic disease eg. HIV infection, pulmonary hypertension, systemic lupus erythematosus, liver cirrhosis, gastroesophageal reflux, COPD, bronchiectasis
- drink ethanol within 48 hours before enrollment
- history of upper or lower respiratory tract infection within 6 weeks before enrollment
- drink caffeine within day before enrollment
- during pregnancy
- history of systemic steroid use within 8 weeks before enrollment
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Siriraj Hospital
Bangkok, Thailand
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Professor Nualanong Visitsunthorn, MD
Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
July 18, 2010
First Posted
September 9, 2010
Study Start
February 1, 2010
Primary Completion
December 1, 2010
Study Completion
December 1, 2010
Last Updated
September 18, 2015
Record last verified: 2015-09