相互作用
Cabozantinib + Phenytoin
重症度: 重大
Cabozantinib and Phenytoin: major interaction.
最終更新日
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概要
Phenytoin lowers cabozantinib exposure through CYP3A4 induction, which may reduce anticancer efficacy.
この相互作用をわかりやすく説明すると
Cabozantinib and Phenytoin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Cabozantinib belongs to Oncology; Phenytoin belongs to Central Nervous System.
なぜ起こるのか
Induction of CYP3A4 by phenytoin increases cabozantinib clearance.
対処法
Avoid the combination where possible and use a non-inducing antiepileptic. If unavoidable, raise the cabozantinib dose per product labeling and return to the usual dose a few days after stopping phenytoin.
薬剤師に尋ねること
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
Pro+会員向け
ページ全体を見る
アカウントを作成してPro+トライアルを始めると、CabozantinibとPhenytoin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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Phenytoinのその他の相互作用
Cabozantinibのその他の相互作用
よくある質問
Can I take Cabozantinib with Phenytoin?
MediHelp rates the interaction as major. Cabozantinib and Phenytoin can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Phenytoin lowers cabozantinib exposure through CYP3A4 induction, which may reduce anticancer efficacy.
How serious is the interaction between Cabozantinib and Phenytoin?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible and use a non-inducing antiepileptic. If unavoidable, raise the cabozantinib dose per product labeling and return to the usual dose a few days after stopping phenytoin.
What other medicines interact with Phenytoin?
MediHelp also lists interactions of Phenytoin with, for example, Artemether / lumefantrine, Bictegravir, Cabotegravir. The full list is on the Phenytoin 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。
