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Interazioni tra farmaci

Imatinib + Ponatinib

Gravità: Maggiore

Imatinib and Ponatinib: major interaction.

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Sintesi

Imatinib may increase ponatinib exposure, which carries risks of arterial occlusion, heart failure, hepatotoxicity and pancreatitis. Both are BCR-ABL inhibitors, so the combination is rarely rational.

Cosa significa questa interazione in parole semplici

Imatinib and Ponatinib 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.

Imatinib belongs to Oncology; Ponatinib belongs to Oncology.

Livello di evidenza: Moderate

Perché avviene

Imatinib inhibits CYP3A4, a main route of ponatinib metabolism, and both drugs have overlapping toxicities.

Cosa fare

Avoid combining the two. If coadministration is unavoidable, monitor for vascular events, liver function and pancreatitis and consider a reduced ponatinib dose.

Cosa chiedere al farmacista

  • 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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Domande frequenti

Can I take Imatinib with Ponatinib?

MediHelp rates the interaction as major. Imatinib and Ponatinib 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. Imatinib may increase ponatinib exposure, which carries risks of arterial occlusion, heart failure, hepatotoxicity and pancreatitis. Both are BCR-ABL inhibitors, so the combination is rarely rational.

How serious is the interaction between Imatinib and Ponatinib?

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 combining the two. If coadministration is unavoidable, monitor for vascular events, liver function and pancreatitis and consider a reduced ponatinib dose.

What other medicines interact with Imatinib?

MediHelp also lists interactions of Imatinib with, for example, Lomitapide, Lonafarnib, Amobarbital. The full list is on the Imatinib page.

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