Atrial Fibrillation
Conditions
Brief summary
To describe the rate of discontinuation among Non-Valvular Atrial Fibrillation (NVAF) patients who were on warfarin and have switched to the Novel oral anticoagulants(NOACs).
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* Individuals with NVAF who were on warfarin and have switched to the NOACs (dabigatran, rivaroxaban and apixaban) within the study period January 01, 2013 through March 31, 2014 * Individuals ≥18 years old on the index date * At least 1 year of baseline period with history of continuous warfarin use in the baseline period for at least 3 months immediately before the index date * At least 1 diagnosis of AF in the 12 months prior to index date * Continuous eligibility with medical and pharmacy benefits for at least 12 months before the index date through 1 month after the index date
Exclusion criteria
* Individuals with a diagnosis of valvular heart disease or cardiac surgery during the 12 months prior to index date
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Discontinuation rate of patients with prior warfarin use | up to 31 months |
| Rate of major bleeding events of patients with prior warfarin use | up to 31 months |
| Rate of hospitalization due to major bleeding events of patients with warfarin use | up to 31 months |
| Discontinuation rate of patients who were naïve to oral anticoagulant | up to 31 months |
| Rate of major bleeding events of patients who were naïve to oral anticoagulant | up to 31 months |
| Rate of hospitalization due to major bleeding events of patients who were naïve to oral anticoagulant | up to 31 months |
Secondary
| Measure | Time frame |
|---|---|
| All-Cause Healthcare per patient per month (PPPM) cost | up to 31 months |
| Rate of All-Cause Hospitalization | up to 31 months |
| AF-related Healthcare per patient per month (PPPM) cost | up to 31 months |
| Rate of Atrial Fibrillation(AF)-Related Hospitalization | up to 31 months |
| Rate of All-Cause Any Rehospitalization | up to 31 months |
| Rate of AF-Related Any Rehospitalization | up to 31 months |
| Rate of All-Cause Early Hospitalization | up to 31 months |
| Rate of AF-Related Early Hospitalization | up to 31 months |