藥物交互作用
Cabozantinib + Phenytoin
嚴重程度: 嚴重
Cabozantinib and Phenytoin: major interaction.
最後更新
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摘要
Phenytoin lowers cabozantinib exposure through CYP3A4 induction, which may reduce anticancer efficacy.
用白話說明這項交互作用的意義
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.
為什麼會發生
Induction of CYP3A4 by phenytoin increases cabozantinib clearance.
處置方式
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.
可向藥師詢問的問題
- 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?
Phenytoin 的其他交互作用
Cabozantinib 的其他交互作用
常見問題
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.
在 MediHelp App 中取得完整藥品專論、劑量資訊與交互作用檢查
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