相互作用
Crizotinib + Lonafarnib
重症度: 併用禁忌
Crizotinib and Lonafarnib: contraindicated interaction.
最終更新日
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概要
Lonafarnib is a sensitive CYP3A4 substrate, and crizotinib is a moderate CYP3A4 inhibitor, so lonafarnib exposure may increase considerably. This raises the risk of toxicity such as gastrointestinal effects, hepatotoxicity and QT prolongation.
この相互作用をわかりやすく説明すると
Crizotinib and Lonafarnib are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Crizotinib belongs to Oncology; Lonafarnib belongs to Miscellaneous.
なぜ起こるのか
Crizotinib inhibits CYP3A4-mediated metabolism of lonafarnib.
対処法
Avoid the combination in line with lonafarnib labeling for CYP3A inhibitors. If it cannot be avoided, a specialist should guide dose reduction and monitoring.
薬剤師に尋ねること
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
Pro+会員向け
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アカウントを作成してPro+トライアルを始めると、CrizotinibとLonafarnibの臨床対応の詳細なアドバイス、追加の注記、エビデンスの詳細、処方全体を対象とした相互作用チェッカーを利用できます。
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
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Crizotinibのその他の相互作用
Lonafarnibのその他の相互作用
よくある質問
Can I take Crizotinib with Lonafarnib?
MediHelp rates the interaction as contraindicated. Crizotinib and Lonafarnib are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Lonafarnib is a sensitive CYP3A4 substrate, and crizotinib is a moderate CYP3A4 inhibitor, so lonafarnib exposure may increase considerably. This raises the risk of toxicity such as gastrointestinal effects, hepatotoxicity and QT prolongation.
How serious is the interaction between Crizotinib and Lonafarnib?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination in line with lonafarnib labeling for CYP3A inhibitors. If it cannot be avoided, a specialist should guide dose reduction and monitoring.
What other medicines interact with Crizotinib?
MediHelp also lists interactions of Crizotinib with, for example, Flibanserin, Lomitapide, Pimozide. The full list is on the Crizotinib page.
完全なモノグラフ、用量、相互作用チェッカーはMediHelpアプリで
MediHelpアプリで、完全なリファレンスを開き、複数薬剤の相互作用をチェックし、用量ツールを利用できます。
