Stopped: Key investigator resigned
We hypothesize that the nocturnal use of continuous positive airway pressure in adults and children with asthma will decrease airway reactivity.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Change in Provocative Concentration of Methacholine Causing a 20% Fall in Forced Expiratory Volume in 1 Second (FEV1)
Timeframe: 7 to 10 nights after cpap is started.