相互作用
Glucarpidase + Methotrexate
重症度: 中等度
Glucarpidase and Methotrexate: moderate interaction.
最終更新日
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概要
Glucarpidase rapidly breaks methotrexate down into DAMPA, which cross-reacts in immunoassays and falsely elevates measured methotrexate. This can lead to misjudged rescue dosing for roughly two days.
この相互作用をわかりやすく説明すると
Glucarpidase and Methotrexate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Glucarpidase belongs to Miscellaneous; Methotrexate belongs to Oncology.
なぜ起こるのか
Enzymatic cleavage of methotrexate to DAMPA and glutamate lowers true levels while DAMPA interferes with immunoassays.
対処法
Measure methotrexate with a chromatographic method (e.g., HPLC) for at least 48 hours after glucarpidase. If only immunoassay is available, interpret results with caution.
薬剤師に尋ねること
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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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、GlucarpidaseとMethotrexate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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Glucarpidaseのその他の相互作用
Methotrexateのその他の相互作用
よくある質問
Can I take Glucarpidase with Methotrexate?
MediHelp rates the interaction as moderate. Glucarpidase and Methotrexate can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Glucarpidase rapidly breaks methotrexate down into DAMPA, which cross-reacts in immunoassays and falsely elevates measured methotrexate. This can lead to misjudged rescue dosing for roughly two days.
How serious is the interaction between Glucarpidase and Methotrexate?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Measure methotrexate with a chromatographic method (e.g., HPLC) for at least 48 hours after glucarpidase. If only immunoassay is available, interpret results with caution.
What other medicines interact with Glucarpidase?
MediHelp also lists interactions of Glucarpidase with, for example, Leucovorin, Folic acid, Pemetrexed. The full list is on the Glucarpidase 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。
