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The purpose of the study is to determine if a program of regular exercise can help reduce asthma symptoms and also reduce the inflammation caused by asthma. If successful, this would allow regular exercise to be recommended as a therapy for people with asthma, which could possibly reduce the amount of medicine that people with asthma need to control their asthma symptoms.
Full description
This is a randomized, controlled, parallel-design study of the effectiveness of exercise therapy as add-on therapy in the treatment of mild to moderately severe asthma.
105 men and women between the ages of 18-50 years with asthma will be randomly assigned to one of two treatment groups: exercise therapy or control. The exercise therapy protocol is detailed below. The control group will receive usual asthma care. The control group will be instructed to maintain their current sedentary activity level, i.e. not to begin a formal or informal exercise program. In order to standardize contact with study personnel between the two groups the control group will be seen three times a week for clinic visits (exercise group will have sessions three times a week). The primary outcome measures are asthma control (asthma symptom score) and asthma-related inflammation. Secondary outcomes include exacerbation rate, asthma-related quality of life, generic quality of life, lung function, airways hyper-reactivity, and cardiovascular fitness. The effect of exercise therapy on inflammatory markers in blood, and sputum will be assessed by comparing results obtained at study completion versus those obtained at baseline.
Enrollment
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Volunteers
Inclusion criteria
• 18-50 years old
Asthma:
Doctor diagnosed asthma
Lung function tests must meet certain levels common in asthma patients
Active, daily doctor-prescribed asthma controller medication (inhaled corticosteroid) for 2 months or longer at a minimum dose equivalent to fluticasone 88 mcg/day, about two (2) puffs. (you can be on other drugs as long as they are in the same dose range as fluticasone)
Poor asthma control: Any one of the following conditions:
Smoking status:
Exclusion criteria
• Poor lung function
Medication use:
Drug allergy:
• Previous adverse effects from methacholine challenge
Non-adherence:
13 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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