The effect of low-dose corticosteroids and theophylline on the risk of acute exacerbations of COPD: the TASCS randomised controlled trial.
Christine R JenkinsFu-Qiang WenAllison MartinPeter J BarnesBartolome R CelliNan-Shan ZhongJin-Ping ZhengAnish ScariaGian Luca Di TannaThomas BradburyNorbert Berendnull nullPublished in: The European respiratory journal (2021)
Low-dose theophylline alone or in combination with prednisone did not reduce exacerbation rates or clinically important secondary end-points compared with placebo.