Abstract
Background
Direct oral anticoagulants (DOACs) can be involved in clinical relevant drug–drug interactions (DDIs) which may compromise safe and effective use. However, assessing the clinical relevance of DDIs with DOACs and managing these interactions optimally, can be challenging in clinical practice.
Aim
To develop a practice-oriented list of potentially clinically relevant DDIs with DOACs with corresponding management plans for which it is important to screen in ambulatory care.
Method
The RAND/UCLA appropriateness method was used to develop the DOACs DDI list. In a first step a preliminary list was compiled of potentially clinically relevant DDIs per DOAC (apixaban, dabigatran, edoxaban, rivaroxaban) using five reference sources. Subsequently, a two-step modified Delphi process involving a multidisciplinary panel (n = 10) including both pharmacists and physicians with expertise in all decision-making disciplines involved in care for patients using DOACs and with diversity of practice setting, was used to reach expert agreement on a final list of DDIs with corresponding management plans.
Results
After a two-step consensus round, 71 DDIs for 20 different interacting drugs were included: five pharmacodynamic, nine pharmacokinetic inhibitor and six pharmacokinetic inducer interacting drugs. Considerations raised and discussed by the panellists were related to (1) the necessity of the interacting drug, (2) the manageability of the DDI (whether there are any alternatives), (3) the (clinical) evidence-base for the DDI and (4) the (potential) consequences of the DDI.
Conclusion
We developed a consensus list with specific and straightforward management plans on potentially clinically relevant DDIs with DOACs, for use in ambulatory care.
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Acknowledgements
We would like to thank the following experts who participated in the Delphi process: Thierry Christiaens, Tine De Backer, Leen De Bolle, Sara Desmaele, An De Sutter, Dimitri Hemelsoet, Souad Moudallel, Mirko Petrovic, Annemie Somers and Ellen Van Leeuwen.
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Capiau, A., Mehuys, E., De Bolle, L. et al. Drug–drug interactions with direct oral anticoagulants: development of a consensus list for ambulatory care. Int J Clin Pharm 45, 364–374 (2023). https://doi.org/10.1007/s11096-022-01511-7
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DOI: https://doi.org/10.1007/s11096-022-01511-7