The effect of mite allergen avoidance by the use of allergen impermeable bedding, on asthma control in adults

Completed

• Conditions: Asthma; Respiratory tract diseases: Asthma; Respiratory

• Registration Number: ISRCTN27958413
• Lead Sponsor: Record Provided by the NHS R&D 'Time-Limited' National Programme Register - Department of Health (UK)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2004-01-23
• Last Update Posted: 13 January 2015

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 1800

Inclusion Criteria

1800 asthmatics ages 18-50 years at recruitment

Exclusion Criteria

Not provided at time of registration

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
1. Average morning peak expiratory flow rate in the four week period prior to the six month visit <br>2. Complete withdrawal from steroids in second six months

Secondary Outcome Measures

Name	Time	Method
1. Use of beta agonist rescue medication and median symptom score in the four week period prior to the six month visit<br>2. Number of exacerbations in the six month period<br>3. Quality of life (St George's Respiratory Questionnaire and Short Form 36) at six month and twelve months<br>4. Cost of treatment and time off work (Health Care Questionnaire)<br>5. Change in dose of inhaled steroid in second six months