Dual Bronchodilators No Help for Symptomatic Smokers With Preserved Lung Function
Inhaled dual bronchodilator therapy did not decrease respiratory symptoms in former or current smokers with preserved lung function, the RETHINC trial showed. Among 535 symptomatic smokers with a 10 pack-year history and preserved lung function assessed by spirometry, 56.4% in the treatment group and 59.0% in the placebo group had a least a 4-point decrease […]