Several single-dose studies comparing acute bronchodilation induced by ipratropium bromide with salbutamol have shown that salbutamol was more effective than ipratropium in asthma treatment.

Excessive use of reliever inhalers for asthma is linked to a significantly increased risk of dying from the disease, a new study revealed today. Researchers found that over-use of short acting ...

Salbutamol via Diskhaler was given as rescue medication. Inhalation of ipratropium bromide was allowed at a constant dosage. Bronchial biopsy specimens were collected at the start of the treatment ...

Interventions: Salmeterol, 42 µg bid via metered-dose inhaler (MDI), and placebo bid via MDI. Measurements and results: Following an interim analysis in 26,355 subjects, the study was terminated ...