Clinical Research Directory

Inclusion Criteria - VKA Therapy Subjects: * Persons \>18 years of age * Willing and able to provide written informed consent and comply with study procedures * Currently prescribed vitamin K antagonist therapy * Deemed medically appropriate for study participation by the Investigator Exclusion Criteria - VKA Therapy Subjects: * Persons \<18 years of age * Subject has previously participated in this study * Subject is within 4 weeks of first prescription of vitamin K antagonist therapy * Confirmed or suspected pregnancy * Unwilling or unable to provide written informed consent and comply with study procedures * Vulnerable populations deemed inappropriate for study by the Investigator * Deemed medically inappropriate for study by the Investigator (i.e. patients with a known inherited \[e.g. haemophilia or von Willebrand's disease\] or acquired \[e.g. liver cirrhosis\] condition likely to be associated with a coagulopathy; or patients receiving non-VKA anticoagulant medications) Inclusion Criteria - Non-VKA Therapy Subjects: * Persons \>18 years of age * Willing and able to provide written informed consent and comply with study procedures * Deemed medically appropriate for study participation by the Investigator Exclusion Criteria - Non-VKA Therapy Subjects: * Persons \<18 years of age * Subject has previously participated in this study * Confirmed or suspected pregnancy * Unwilling or unable to provide written informed consent and comply with study procedures * Vulnerable populations deemed inappropriate for study by the Investigator * Any persons deemed medically inappropriate for study by the Investigator