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and the agency may not be able to respond to inquiries until appropriations are enacted. Updates regarding government
operating status and resumption of normal operations can be found at opm.gov.
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.
Read our disclaimer for details.
This study plans to describe utilization patterns for oral anticoagulants over time in patients with non-valvular atrial fibrillation at risk for stroke using electronic claims data from a United States commercial insurance database.
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study:
18 Years and older (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients 18 years of age and older with non-valvular AF at risk for stroke treated with oral anticoagulation
A recorded diagnosis of atrial fibrillation
Initiation of oral anticoagulant medication
At least 18 years of age on the date of anticoagulant initiation
Patients with missing or ambiguous age or sex information
Patients with documented evidence of valvular disease
Patients with less than 12 months enrolment in the UnitedHealth Research Database preceding the first dispensing