Defibrotide in COVID-19 Pneumonia

Patients will be treated according to the standard institutional procedures and will receive the best available treatment as per institutional guidelines in association with the experimental drug: Defibrotide 25 mg/kg body weight total dose in 2 hours duration infusion each, every 6 hours (Defibrotide 6.25 mg/kg body weight each dose) Treatment duration = 7 days