Table 3.

Studies measuring TF activity of EVs using a FXa generation assay

Disease/treatmentSampleResultsReference
Pancreatic adenocarcinoma PPP Levels of TF activity was higher in patients with cancer with VTE than those without VTE, and were associated with metastatic disease and short survival 111  
Ovarian cancer PPP No association between levels of EV TF activity and VTE in patients with cancer 112  
Cancer PPP Levels of EV TF activity were increased in patients with cancer compared with patients without cancer who were severely ill and healthy controls. Levels of EV TF activity were associated with mortality 113  
Lung cancer PPP No difference of levels of EV TF activity between patients with cancer with or without low–molecular weight heparin treatment 114  
Lupus PPP No difference in levels of EV TF activity between patients with lupus anticoagulants with history of thrombosis and healthy controls 115  
Hantavirus cardiopulmonary syndrome Plasma Levels of EV TF activity were increased in patients with HCPS compared with healthy controls 116  
Multiple myeloma PFP Levels of EV TF activity were increased in patients with multiple myeloma compared with controls 117  
Pancreatic and colorectal cancer PPP Two of 13 patients with pancreatic cancer had elevated levels of EV TF activity. No patient with colorectal cancer had elevated levels of EV TF activity 118  
Hemorrhagic fever with renal syndrome Plasma Levels of EV TF activity were transiently increased during HFRS and patients with DIC showed higher levels of EV TF activity than patients without DIC 119  
HIV  Levels of EV TF activity were associated with carotid artery plaque in patients with HIV 120  
Cancer Plasma No association between the levels of EV TF activity and VTE 121  
Cancer PPP Levels of EV TF activity were increased in patients with cancer compared with healthy controls 122  
COVID-19 PPP Levels of EV TF activity were increased in patients with COVID-19 compared with controls, and were associated with disease severity and mortality 110  
COVID-19 PFP Levels of EV TF activity were increased in patients with severe COVID-19 and were associated with an increased thrombotic risk 16  
COVID-19 and sepsis PPP Levels of EV TF activity were higher in ICU patients with COVID-19 than in patients with sepsis 123  
Sepsis PPP Levels of EV TF activity were higher in patients with septic DIC than in healthy controls 124  
Leukemia PFP Levels of EV TF activity were increased in patients with leukemia compared with controls 125  
Prostate cancer PPP Levels of EV TF activity were increased in patients with cancer with DIC compared with patients with cancer without DIC 126  
Lung cancer PFP Levels of EV TF activity were increased in patients with cancer compared with healthy controls. 127  
COVID-19 PFP Levels of EV TF activity were higher in patients with COVID-19 than in healthy controls 128  
COVID-19 PFP Levels of EV TF activity were higher in small EVs than in large EVs from patients with COVID-19 80  
Sepsis, pancreatic cancer, and COVID-19 PFP and PPP Levels of EV TF activity of small or large EVs were different depending on the disease 129  
Sepsis PPP Levels of EV TF activity were increased in patients with sepsis with DIC compared with patients with sepsis without DIC. Levels of EV TF activity were associated with inflammatory markers and DIC score 130  
Leukemia PPP Levels of EV TF activity were increased in patients with leukemia compared with controls, and were associated with risk of bleeding 131  
Disease/treatmentSampleResultsReference
Pancreatic adenocarcinoma PPP Levels of TF activity was higher in patients with cancer with VTE than those without VTE, and were associated with metastatic disease and short survival 111  
Ovarian cancer PPP No association between levels of EV TF activity and VTE in patients with cancer 112  
Cancer PPP Levels of EV TF activity were increased in patients with cancer compared with patients without cancer who were severely ill and healthy controls. Levels of EV TF activity were associated with mortality 113  
Lung cancer PPP No difference of levels of EV TF activity between patients with cancer with or without low–molecular weight heparin treatment 114  
Lupus PPP No difference in levels of EV TF activity between patients with lupus anticoagulants with history of thrombosis and healthy controls 115  
Hantavirus cardiopulmonary syndrome Plasma Levels of EV TF activity were increased in patients with HCPS compared with healthy controls 116  
Multiple myeloma PFP Levels of EV TF activity were increased in patients with multiple myeloma compared with controls 117  
Pancreatic and colorectal cancer PPP Two of 13 patients with pancreatic cancer had elevated levels of EV TF activity. No patient with colorectal cancer had elevated levels of EV TF activity 118  
Hemorrhagic fever with renal syndrome Plasma Levels of EV TF activity were transiently increased during HFRS and patients with DIC showed higher levels of EV TF activity than patients without DIC 119  
HIV  Levels of EV TF activity were associated with carotid artery plaque in patients with HIV 120  
Cancer Plasma No association between the levels of EV TF activity and VTE 121  
Cancer PPP Levels of EV TF activity were increased in patients with cancer compared with healthy controls 122  
COVID-19 PPP Levels of EV TF activity were increased in patients with COVID-19 compared with controls, and were associated with disease severity and mortality 110  
COVID-19 PFP Levels of EV TF activity were increased in patients with severe COVID-19 and were associated with an increased thrombotic risk 16  
COVID-19 and sepsis PPP Levels of EV TF activity were higher in ICU patients with COVID-19 than in patients with sepsis 123  
Sepsis PPP Levels of EV TF activity were higher in patients with septic DIC than in healthy controls 124  
Leukemia PFP Levels of EV TF activity were increased in patients with leukemia compared with controls 125  
Prostate cancer PPP Levels of EV TF activity were increased in patients with cancer with DIC compared with patients with cancer without DIC 126  
Lung cancer PFP Levels of EV TF activity were increased in patients with cancer compared with healthy controls. 127  
COVID-19 PFP Levels of EV TF activity were higher in patients with COVID-19 than in healthy controls 128  
COVID-19 PFP Levels of EV TF activity were higher in small EVs than in large EVs from patients with COVID-19 80  
Sepsis, pancreatic cancer, and COVID-19 PFP and PPP Levels of EV TF activity of small or large EVs were different depending on the disease 129  
Sepsis PPP Levels of EV TF activity were increased in patients with sepsis with DIC compared with patients with sepsis without DIC. Levels of EV TF activity were associated with inflammatory markers and DIC score 130  
Leukemia PPP Levels of EV TF activity were increased in patients with leukemia compared with controls, and were associated with risk of bleeding 131  

DIC, disseminated intravascular coagulation; HCPS, hantavirus cardiopulmonary syndrome; HFRS, hemorrhagic fever with renal syndrome; ICU, intensive care unit; PFP, platelet-free plasma; PPP, platelet-poor plasma; VTE, venous thromboembolism.

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