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Drug Interactions between lusutrombopag and ponatinib

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

PONATinib lusutrombopag

Applies to: ponatinib and lusutrombopag

MONITOR: Coadministration with inhibitors of P-glycoprotein (P-gp) and/or breast cancer resistance protein (BCRP) may increase the plasma concentrations of lusutrombopag, which is a substrate of both efflux transporter proteins. Coadministration with cyclosporine, a P-gp and BCRP dual inhibitor, increased lusutrombopag peak plasma concentration (Cmax) and systemic exposure (AUC) by approximately 20% each compared with lusutrombopag administration alone.

MANAGEMENT: Caution is advised if lusutrombopag is prescribed in combination with P-gp and/or BCRP inhibitors. Pharmacologic response to lusutrombopag should be monitored more closely following initiation, discontinuation, or change of dosage of the concomitant P-gp or BCRP inhibitor.

References (1)
  1. EMA. European Medicines Agency. European Union (2013) EMA - List of medicines under additional monitoring. http://www.ema.europa.eu/ema/index.jsp?curl=pages/regulation/document_listing/document_listing_000366.jsp&mid=WC0b01ac058067c852

Drug and food interactions

Moderate

PONATinib food

Applies to: ponatinib

GENERALLY AVOID: Coadministration with grapefruit juice is likely to increase the plasma concentrations of ponatinib, which is primarily metabolized by CYP450 3A4. However, the interaction has not been studied. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit.

MANAGEMENT: The consumption of grapefruit, grapefruit juice, and supplements that contain grapefruit extract should be avoided during treatment with ponatinib.

References (1)
  1. (2012) "Product Information. Iclusig (ponatinib)." Ariad Pharmaceuticals Inc

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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