Interações medicamentosas
Clarithromycin + Regorafenib
Gravidade: Grave
Clarithromycin and Regorafenib: major interaction.
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Para profissionais de saúde — apenas referência. Esta página é um resumo breve, não é aconselhamento médico nem substitui a bula oficial ou o julgamento clínico. Verifique sempre antes de prescrever ou dispensar.
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Resumo
Clarithromycin is a strong CYP3A4 inhibitor, and regorafenib is cleared largely by CYP3A4. Raised regorafenib exposure can lead to regorafenib toxicity including hepatotoxicity, hand-foot reaction and hypertension.
O que esta interação significa em palavras simples
Clarithromycin and Regorafenib 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.
Clarithromycin belongs to Anti Bacterial; Regorafenib belongs to Oncology.
Por que acontece
CYP3A4 inhibition by clarithromycin reduces first-pass and systemic clearance of regorafenib
O que fazer
Avoid if an alternative exists; otherwise reduce the regorafenib dose per labelling, monitor closely for toxicity and recheck after the inhibitor is stopped.
O que perguntar ao farmacêutico
- 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?
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Outras interações de Clarithromycin
- Astemizole + Clarithromycin Contraindicada
- Avanafil + Clarithromycin Contraindicada
- Cisapride + Clarithromycin Contraindicada
- Clarithromycin + Colchicine Contraindicada
- Clarithromycin + Conivaptan Contraindicada
- Clarithromycin + Dihydroergotamine Contraindicada
Outras interações de Regorafenib
Perguntas frequentes
Can I take Clarithromycin with Regorafenib?
MediHelp rates the interaction as major. Clarithromycin and Regorafenib 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. Clarithromycin is a strong CYP3A4 inhibitor, and regorafenib is cleared largely by CYP3A4. Raised regorafenib exposure can lead to regorafenib toxicity including hepatotoxicity, hand-foot reaction and hypertension.
How serious is the interaction between Clarithromycin and Regorafenib?
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 if an alternative exists; otherwise reduce the regorafenib dose per labelling, monitor closely for toxicity and recheck after the inhibitor is stopped.
What other medicines interact with Clarithromycin?
MediHelp also lists interactions of Clarithromycin with, for example, Astemizole, Avanafil, Cisapride. The full list is on the Clarithromycin page.
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