Interações medicamentosas
Carbamazepine + Irinotecan
Gravidade: Grave
Carbamazepine and Irinotecan: major interaction.
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Resumo
Carbamazepine is a strong inducer of CYP3A4, CYP2B6, CYP1A2 and P-glycoprotein and accelerates the clearance of irinotecan. The result is altered irinotecan and SN-38 disposition, with reduced exposure and possible loss of efficacy.
O que esta interação significa em palavras simples
Carbamazepine and Irinotecan 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.
Carbamazepine belongs to Central Nervous System; Irinotecan belongs to Oncology.
Por que acontece
Enzyme induction by carbamazepine increases metabolic clearance of irinotecan
O que fazer
Avoid where possible by choosing a non-inducing alternative; if unavoidable, monitor clinical response (and drug levels where available) and consider a higher irinotecan dose only per specialist advice.
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 Carbamazepine
- Artemether / lumefantrine + Carbamazepine Contraindicada
- Cabotegravir + Carbamazepine Contraindicada
- Carbamazepine + Delamanid Contraindicada
- Carbamazepine + Dienogest / estradiol valerate Contraindicada
- Carbamazepine + Doravirine Contraindicada
- Carbamazepine + Elbasvir / grazoprevir Contraindicada
Outras interações de Irinotecan
- Clozapine + Irinotecan Contraindicada
- Irinotecan + Sacituzumab govitecan Contraindicada
- Adenovirus types 4 and 7 live + Irinotecan Grave
- Apalutamide + Irinotecan Grave
- Atazanavir + Irinotecan Grave
- Clarithromycin + Irinotecan Grave
Perguntas frequentes
Can I take Carbamazepine with Irinotecan?
MediHelp rates the interaction as major. Carbamazepine and Irinotecan 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. Carbamazepine is a strong inducer of CYP3A4, CYP2B6, CYP1A2 and P-glycoprotein and accelerates the clearance of irinotecan. The result is altered irinotecan and SN-38 disposition, with reduced exposure and possible loss of efficacy.
How serious is the interaction between Carbamazepine and Irinotecan?
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 where possible by choosing a non-inducing alternative; if unavoidable, monitor clinical response (and drug levels where available) and consider a higher irinotecan dose only per specialist advice.
What other medicines interact with Carbamazepine?
MediHelp also lists interactions of Carbamazepine with, for example, Artemether / lumefantrine, Cabotegravir, Delamanid. The full list is on the Carbamazepine page.
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