Clinical efficacy of two beta 2-sympathicomimetics in different inhalers in children with asthma. Comparison of pirbuterol in a breath-actuated inhaler and salbutamol in a customary metered-dose inhaler.
1991
In a controlled clinical crossover trial, the therapeutic effect of pirbuterol (CAS 38677-81-5) in the Autohaler® was compared to that of salbutamol in a customary metered-dose aerosol in 17 children with asthma. Each child was randomized to both treatments with a washout period of at least 1 day and at most 13 days. Ten children commenced with salbutamol and then switched over to pirbuterol, and the other 7 vice versa. The main criterion to evaluate efficacy was the forced expiratory volume after 1 s (FEV 1 )
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