Study design
acute respiratory distress syndrome, ARDS
ARDS, SARS-COV-2 INFECTION, ACUTE RESPIRATORY DISTRESS SYNDROME
This phase II randomized, multicentric clinical trial was conducted on COVID-19 patients with acute respiratory distress syndrome referred to Masih Daneshvari and Shariati hospitals, two major referral centers for COVID-19 hospitalization in Tehran, Iran, during 2020. The inclusion criteria were: age between 18 and 65, confirmation of SARS-CoV-2 infection by qRT-PCR, diagnosis of ARDS according to the Berlin criteria [