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Treatment Patterns Among Patients With Venous Thromboembolism in the United States

CompletedN/A

Sponsor: Pfizer

Conditions: Venous Thromboembolism

Interventions: apixaban, warfarin

Countries: United States

The purpose of this study is to assess outpatient treatment patterns following hospitalization for venous thromboembolism (VTE). VTE is a condition that occurs when blood clot forms in the vein. This is a retrospective study (assessments on events that have already occurred) of healthcare claims from databases. The study sponsors will assess healthcare claim records of patients treated with either apixaban or warfarin. Assessment includes treatment persistence, switch, and stopping therapy, along with recurrent VTE and bleeding.

Eligibility overview

Sex: ALL

Age: 18 Years to —

Healthy volunteers: No

Study type: OBSERVATIONAL

Eligibility criteria

Inclusion Criteria:

* inpatient hospitalization with primary discharge diagnosis of venous thromboembolism (VTE) (this is the index hospitalization)
* treatment with apixaban or warfarin during the hospitalization
* at least 18 years of age

Exclusion Criteria:

* Hospitalization for VTE within 6 months prior to the index hospitalization
* Diagnosis of atrial fibrillation/flutter or procedure for mechanical heart valve in the 6 months prior to the index hospitalization
* Procedure for inferior vena cava filter or diagnosis of pregnancy during the study period
* Prior use of oral anticoagulants or parenteral anticoagulants

Locations (1)

New York, New York, United States