期刊
PHARMACEUTICS
卷 15, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/pharmaceutics15020588
关键词
rivaroxaban; pharmacokinetics; pharmacodynamics; population pharmacokinetics; ethnic difference; Asians
This review investigated the potential ethnic differences in the pharmacokinetic and pharmacodynamic characteristics of rivaroxaban between Asians and Caucasians. The findings suggest that Asians may require a lower dose of rivaroxaban compared to Caucasians. Further studies are needed to confirm this ethnic difference and optimize dosing regimens.
Rivaroxaban has been widely used to prevent and treat various thromboembolic diseases for more than a decade. However, whether a lower dose of rivaroxaban is required for Asians is still debatable. This review aimed to explore the potential ethnic difference in pharmacokinetic/pharmacodynamic (PK/PD) characteristics between Asians and Caucasians. A systematic search was conducted and twenty-four studies were identified, of which 10 were conducted on Asian adults, 11 on predominantly Caucasian adults, and 3 on Caucasian pediatrics. The apparent clearance (CL/F) of rivaroxaban in Caucasian adults with non-valvular atrial fibrillation (6.45-7.64 L/h) was about 31-43% higher than that in Asians (4.46-5.98 L/h) taking 10 similar to 20 mg rivaroxaban every 24 h. Moreover, there was no obvious difference in CL/F among Japanese, Chinese, Thai, and Irani people. Regarding PK/PD relationship, prothrombin time was linked to rivaroxaban concentration in a linear or near-linear manner, and Factor Xa activity was linked with the E-max model. The exposure-response relationship was comparable between Asians and Caucasians. Renal function has a significant influence on CL/F, and no covariate was recognized for exposure-response relationship. In conclusion, a lower dose of rivaroxaban might be required for Asians, and further studies are warranted to verify this ethnic difference to facilitate optimal dosing regimens.
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