We are seeking patients currently on Xarelto (rivaroxaban) or Eliquis (apixaban) who are interested in participating in a 1/2 day blood donation study.
3 blood draws required (up to 45mL, approx 3 tablespoons total).
Criteria:1. Have physician-prescribed Eliquis (apixaban) or Xarelto (rivaroxaban) for an underlying condition
2. Be 18- to 75-years-of-age, inclusive, at time of consent.
3. Have taken their prescribed anticoagulant regularly at least for a month prior to study participation.