NOACs have several clinical and pharmacological advantages over warfarin however suboptimal adherence is one of the most common causes of failure to respond to medications and outcomes.~This observational multicenter, retrospective study, will compose a national database of drug adherence and investigate the factors that affect drug adherence in patients taking new oral anticoagulation therapy in Turkey.~Social support and adherence to therapy factors that may affect drug adherence and adverse events will be assessed by self-report questionnaires.~Non-adherence will be tested for demographic, clinical, awareness of NOAC therapy and socioeconomic factors.
This study will compose a national database of drug adherence and investigate the factors that affect drug adherence in patients taking new oral anticoagulation therapy in Turkish Population.