Effect of prednisone on BAL cellularity in nocturnal asthma

The effect of a 3 PM prednisone dose on 4 AM bronchoalveolar lavage finding in nocturnal asthma. Prednisone (red column) led to a significant fall in the number of total white blood cells, neutrophils, eosinophils, lymphocytes, and macrophages when compared to placebo (blue column).