COVID-19 患者同时使用法匹拉韦和华法林后 INR 升高：病例报告。
Elevated INR in a COVID-19 patient after concomitant administration of favipiravir and warfarin: A case report.
机构信息
Department of Pharmacy, Nihon University Hospital, Tokyo, Japan.
Department of Pharmacy, Nihon University Itabashi Hospital, Tokyo, Japan.
出版信息
J Clin Pharm Ther. 2022 Mar;47(3):407-410. doi: 10.1111/jcpt.13499. Epub 2021 Aug 2.
Abstract
WHAT IS KNOWN AND OBJECTIVE
Favipiravir is a promising treatment candidate for managing coronavirus disease 2019 (COVID-19). Warfarin has many drug interactions, but no interactions with favipiravir have been reported.
CASE SUMMARY
Our patient was taking warfarin for deep vein thrombosis. The international normalized ratio (INR) was stable (1.65 to 2.0); however, it increased to 4.63 after administering favipiravir. The patient had no other factors justifying this change.
WHAT IS NEW AND CONCLUSION
Favipiravir and warfarin might have previously unidentified drug interactions that elevated the INR. Therefore, INR must be closely monitored when they are concomitantly administered in COVID-19 patients.
摘要
已知和目的
非那韦是一种有前途的治疗 2019 年冠状病毒病（COVID-19）的候选药物。华法林有许多药物相互作用，但尚未报道与非那韦有相互作用。
病例摘要
我们的患者因深静脉血栓形成而服用华法林。国际标准化比值（INR）稳定（1.65 至 2.0）；然而，在给予非那韦后，它增加到 4.63。患者没有其他因素可以证明这种变化是合理的。
新内容和结论
非那韦和华法林可能存在以前未识别的药物相互作用，导致 INR 升高。因此，在 COVID-19 患者同时给药时，必须密切监测 INR。
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