blood coagulation disorders Hemophilia
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria for healthy subjects: 20 years or older, no known (co)morbidities. Inclusion criteria patients: To have severe hemophilia A and 20 years or older.
Exclusion criteria
Exclusion criteria: A healthy volunteer who meets any of the following criteria will be excluded from participation in this study: - use of anticoagulants or platelet antagonists (aspirin or any TAR) - pregnancy A hemophilia A patient who meets any of the following criteria will be excluded from participation in this study: - use of anticoagulants or platelet antagonists (aspirin or any TAR) - trauma or surgery within the last two weeks, - a bleeding episode within the last two weeks - clinical indication of liver cirrhosis (echographic indication, enlarged spleen, enlarged liver, decreased platelet count)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The following biomakers will be analyzed in the different samples. A) Full length Tissue Factor antigen levels B) Prothrombin F1+2 C) D-dimer D) Factor VIII antigen and activity levels | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood volume obtained Time of collection Reaction of skin and bruises etc. | — |
Countries
Netherlands