Genome wide association study on remission of asthma
Completed
- Conditions
- asthma10006436
- Registration Number
- NL-OMON36808
- Lead Sponsor
- niversitair Medisch Centrum Groningen
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 119
Inclusion Criteria
1. Age 18 years or older.
2. Previous diagnosis of asthma
3. Included in the GWA-study on asthma ;Additional inclusion criteria for the performance of spirometry and a histamine provocation test:
4. No current asthma symptoms
5. No use of asthma medication
Exclusion Criteria
1. Presence of serious concomittant diseases
2. Pregnancy
Additional exclusion criterium for histamine provocation testing:
3. FEV1 lower than 1.2 L
Study & Design
- Study Type
- Observational non invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>Presence of complete asthma remission: no current asthma symptoms (asthma<br /><br>attacks, wheeze), no current use of asthma medication, FEV1 pre bronchodilator<br /><br>> 80% predicted, no bronchial hyperresponsiveness (PC20 histamine > 32 mg/ml).<br /><br>Associations between the single nucleotide polymorphisms genotyped in the GWA<br /><br>study and the presence of complete asthma remission will be studied using<br /><br>logistic regression analysis.</p><br>
- Secondary Outcome Measures
Name Time Method <p>NA</p><br>