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Drug Interactions between Jakafi and Synercid

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

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Interactions between your drugs

Minor

dalfopristin ruxolitinib

Applies to: Synercid (dalfopristin / quinupristin) and Jakafi (ruxolitinib)

Coadministration with mild or moderate inhibitors of CYP450 3A4 may modestly increase the plasma concentrations of ruxolitinib, which is primarily metabolized by the isoenzyme. In healthy subjects, administration of a single 10 mg dose of ruxolitinib following pretreatment with the moderate CYP450 3A4 inhibitor erythromycin (500 mg twice daily for four days) resulted in an 8% increase in ruxolitinib peak plasma concentration (Cmax) and a 27% increase in systemic exposure (AUC) compared to administration of ruxolitinib alone. The change in the pharmacodynamic marker, pSTAT3 inhibition, was consistent with the corresponding exposure information. No dosage adjustment is recommended when ruxolitinib is coadministered with mild or moderate CYP450 3A4 inhibitors.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  2. "Product Information. Jakafi (ruxolitinib)." Incyte Corporation (2011):

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Drug and food interactions

Moderate

ruxolitinib food

Applies to: Jakafi (ruxolitinib)

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of ruxolitinib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits.

MANAGEMENT: Patients treated with ruxolitinib should avoid consumption of grapefruit, grapefruit juice, and any supplement containing grapefruit extract. Ruxolitinib may be administered with or without food.

References

  1. "Product Information. Jakafi (ruxolitinib)." Incyte Corporation (2011):

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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.

See also

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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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