Quality of life in asthma clinical trials: comparison of salmeterol and salbutamol.

Most clinical trials in asthma have focused on outcomes that are primarily of importance to the clinician. Very few have assessed whether patients feel better and can function better in day-to-day activities. The aim of this study was to compare the effects of salmeterol (50 micrograms twice daily), salbutamol (200 micrograms four times a day), and placebo on asthma-specific quality of life and to relate the findings to conventional clinical …