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Drug Interactions between Jevtana and Prezista

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

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Interactions between your drugs

Moderate

darunavir cabazitaxel

Applies to: Prezista (darunavir) and Jevtana (cabazitaxel)

MONITOR: Coadministration with inhibitors of CYP450 3A4 may increase the plasma concentrations of cabazitaxel, which is primarily metabolized by the isoenzyme. However, no formal drug interaction studies have been conducted.

MANAGEMENT: Caution is advised if cabazitaxel is prescribed with CYP450 3A4 inhibitors. Pharmacologic response to cabazitaxel should be monitored more closely whenever a CYP450 3A4 inhibitor is added to or withdrawn from therapy, and the cabazitaxel dosage adjusted as necessary. Regular monitoring of peripheral blood counts between treatment cycles is recommended, and patients should be advised to contact their physician if they experience potential signs and symptoms of cabazitaxel toxicity such as infection, fever, chills, diarrhea, unusual bruising or bleeding, and burning, tingling, or numbness in the hands and feet.

References

  1. "Product Information. Jevtana (cabazitaxel)." sanofi-aventis (2010):

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Drug and food interactions

Moderate

darunavir food

Applies to: Prezista (darunavir)

ADJUST DOSING INTERVAL: Food enhances the absorption and oral bioavailability of darunavir administered in combination with low-dose ritonavir. The mechanism is unknown. When administered with food, the peak plasma concentration (Cmax) and area under the plasma concentration-time curve (AUC) of darunavir were approximately 30% higher than when administered in the fasting state. Darunavir exposure was similar for the range of meals studied. The total caloric content of the various meals evaluated ranged from 240 Kcal (12 grams fat) to 928 Kcal (56 grams fat).

MANAGEMENT: To ensure maximal oral absorption, darunavir coadministered with ritonavir should be taken with food. The type of food is not important.

References

  1. "Product Information. Prezista (darunavir)." Ortho Biotech Inc (2006):

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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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