https://clinicaltrials.gov/ct2/show/NCT03851991?type=Intr&cond=COPD&phase=01234&lupd_s=02%2F08%2F2019&lupd_d=14&sort=nwst Arbidol for COPD Exacerbations Condition : COPD Patients Interventions : Drug: Arbidol; Drug: Placebos Sponsor : Shengjing Hospital Not yet recruiting NCT03851991 Fri, 22 Feb 2019 12:00:00 EST Last Update Posted: 26 Feb 2019