相互作用
Cobicistat + Erlotinib
重症度: 重大
Cobicistat and Erlotinib: major interaction.
最終更新日
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概要
Cobicistat is a strong CYP3A4 inhibitor and can substantially raise erlotinib levels. This increases the risk of rash, diarrhea and other toxicities, including interstitial lung disease.
この相互作用をわかりやすく説明すると
Cobicistat and Erlotinib 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.
Cobicistat belongs to Miscellaneous; Erlotinib belongs to Oncology.
なぜ起こるのか
Cobicistat inhibits CYP3A4, reducing erlotinib metabolism.
対処法
Avoid the combination where possible. If unavoidable, reduce the erlotinib dose in 50 mg steps and monitor for diarrhea, rash and respiratory symptoms.
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、CobicistatとErlotinib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
WebでPro+を14日間無料でお試し。カード登録不要。
Erlotinibのその他の相互作用
Cobicistatのその他の相互作用
よくある質問
Can I take Cobicistat with Erlotinib?
MediHelp rates the interaction as major. Cobicistat and Erlotinib 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. Cobicistat is a strong CYP3A4 inhibitor and can substantially raise erlotinib levels. This increases the risk of rash, diarrhea and other toxicities, including interstitial lung disease.
How serious is the interaction between Cobicistat and Erlotinib?
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. If unavoidable, reduce the erlotinib dose in 50 mg steps and monitor for diarrhea, rash and respiratory symptoms.
What other medicines interact with Erlotinib?
MediHelp also lists interactions of Erlotinib with, for example, Amobarbital, Apalutamide, Carbamazepine. The full list is on the Erlotinib 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。
