All participants received Best Supportive Care. Acronyms used in Adverse events section: Gastrointestinal (GI), Genitourinary (GU), Not Otherwise Specified (NOS), Absolute Neutrophil Count (ANC), Aspartate aminotransferase (AST), Alanine aminotransferase (ALT), Common Terminology Criteria for Adverse Events (CTCAE), International Normalized Ratio (INR), Central nervous system (CNS), Acute respiratory distress syndrome (ARDS), Cranial nerves (CN), Disseminated Intravascular Coagulation (DIC), Cardiac troponin T (cTnT).