Prospective, randomized, double-blind, placebo-controlled clinical trial evaluating the clinical and molecular effects of intravenous N-acetylcysteine (NAC) in patients with COVID-19-associated acute respiratory distress syndrome (ARDS) treated in the intensive care unit. The study assessed inflammatory and thromboinflammatory biomarkers, hypoxia-related gene expression (HIF-1α, ACE2, CD147), and clinical outcomes including mortality and length of ICU stay.
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Change in inflammatory and thromboinflammatory biomarkers
Timeframe: Baseline (ICU admission) to Day 4