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Drug Interactions between Aspruzyo Sprinkle and cinacalcet

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

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Interactions between your drugs

Minor

cinacalcet ranolazine

Applies to: cinacalcet and Aspruzyo Sprinkle (ranolazine)

Coadministration with inhibitors of CYP450 2D6 may modestly increase the plasma concentrations of ranolazine, which is partially metabolized by the isoenzyme. When ranolazine 1000 mg twice a day was given to healthy volunteers with the potent CYP450 2D6 inhibitor paroxetine at 20 mg once a day, mean steady-state ranolazine plasma concentrations increased by 1.2-fold. This is not considered clinically significant, and no dosage adjustment of ranolazine is required when used with CYP450 2D6 inhibitors.

References (1)
  1. (2006) "Product Information. Ranexa (ranolazine)." Calmoseptine Inc

Drug and food interactions

Major

ranolazine food

Applies to: Aspruzyo Sprinkle (ranolazine)

GENERALLY AVOID: Grapefruit and grapefruit juice may significantly increase the plasma concentrations of orally administered ranolazine. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. Because ranolazine prolongs QT interval in a dose-dependent manner, high plasma levels of ranolazine may increase the risk of ventricular arrhythmias such as ventricular tachycardia, ventricular fibrillation, and torsade de pointes.

MANAGEMENT: Patients treated with ranolazine should avoid consumption of grapefruit juice and other grapefruit products if possible. Otherwise, the dosage of ranolazine should be limited to 500 mg twice a day.

References (1)
  1. (2006) "Product Information. Ranexa (ranolazine)." Calmoseptine Inc
Moderate

cinacalcet food

Applies to: cinacalcet

ADJUST DOSING INTERVAL: Food enhances the oral absorption and bioavailability of cinacalcet. According to the product labeling for cinacalcet, administration with a high-fat meal increased the peak plasma concentration (Cmax) and area under the concentration-time curve (AUC) of cinacalcet by 82% and 68%, respectively, compared to administration in the fasting state. The Cmax and AUC were increased 65% and 50%, respectively, when cinacalcet was administered with a low-fat meal compared to fasting.

MANAGEMENT: To ensure maximal oral absorption, cinacalcet should be administered with or immediately after a meal. The tablets should be taken whole and not divided or crushed.

References (1)
  1. (2004) "Product Information. Sensipar (cinacalcet)." Amgen USA

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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