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Drug Interactions between Aricept and cinacalcet

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

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Interactions between your drugs

Minor

donepezil cinacalcet

Applies to: Aricept (donepezil) and cinacalcet

Coadministration with inhibitors of CYP450 2D6 and/or 3A4 may increase the plasma concentrations of donepezil, which is primarily metabolized by these isoenzymes. In a 7-day crossover study in 18 healthy volunteers, the potent CYP450 3A4 inhibitor ketoconazole (200 mg once daily) increased the mean peak plasma concentration (Cmax) and systemic exposure (AUC) of donepezil (5 mg once daily) by approximately 36% each. The clinical relevance of these increases is unknown. A prolonged duration of monitoring for adverse effects may be required depending on the elimination half-life of the concomitant drug. For example, it should be noted that rolapitant, a moderate CYP450 2D6 inhibitor, can increase plasma concentrations and the risk of adverse effects of donepezil for at least 28 days after administration of rolapitant.

References (4)
  1. (2001) "Product Information. Aricept (donepezil)." Pfizer U.S. Pharmaceuticals
  2. Tiseo PJ, Perdomo CA, Friedhoff LT (1998) "Concurrent administration of donepezil HCl and ketoconazole: assessment of pharmacokinetic changes following single and multiple doses." Br J Clin Pharmacol, 46, p. 30-4
  3. Rojas-Fernandez C, Fisher C (2000) "Drug interactions and donepezil." J Am Geriat Soc, 40, p. 597-8
  4. (2015) "Product Information. Varubi (rolapitant)." Tesaro Inc.

Drug and food interactions

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.

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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