相互作用
Efavirenz + Elacestrant
重症度: 重大
Efavirenz and Elacestrant: major interaction.
最終更新日
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概要
Efavirenz may reduce elacestrant concentrations by inducing CYP3A4, potentially lowering efficacy in breast cancer treatment.
この相互作用をわかりやすく説明すると
Efavirenz and Elacestrant 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.
Efavirenz belongs to Anti Virals; Elacestrant belongs to Oncology.
なぜ起こるのか
Efavirenz induces CYP3A4, increasing elacestrant metabolism.
対処法
Avoid coadministration with strong or moderate CYP3A inducers and use a non-inducing antiretroviral.
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、EfavirenzとElacestrant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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Efavirenzのその他の相互作用
Elacestrantのその他の相互作用
よくある質問
Can I take Efavirenz with Elacestrant?
MediHelp rates the interaction as major. Efavirenz and Elacestrant 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. Efavirenz may reduce elacestrant concentrations by inducing CYP3A4, potentially lowering efficacy in breast cancer treatment.
How serious is the interaction between Efavirenz and Elacestrant?
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 coadministration with strong or moderate CYP3A inducers and use a non-inducing antiretroviral.
What other medicines interact with Efavirenz?
MediHelp also lists interactions of Efavirenz with, for example, Cobimetinib, Dienogest / estradiol valerate, Dihydroergotamine intranasal. The full list is on the Efavirenz 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。