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Drug Interactions between cinacalcet and Zejula

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

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Interactions between your drugs

Minor

cinacalcet niraparib

Applies to: cinacalcet and Zejula (niraparib)

Coadministration with niraparib may decrease the plasma concentrations of drugs that are substrates of the CYP450 1A2 isoenzyme. At high concentrations, niraparib is able to weakly induce CYP450 1A2. If niraparib is used in combination with substrates of CYP450 1A2, particularly those with a narrow therapeutic range (e.g., clozapine, theophylline, ropinirole), then monitoring for signs and symptoms of reduced exposure to the CYP450 1A2 substrate should be considered.

References (6)
  1. (2023) "Product Information. Akeega (abiraterone-niraparib)." Janssen Biotech, Inc.
  2. (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline
  3. (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline Inc
  4. (2023) "Product Information. Akeega (abiraterone-niraparib)." Janssen Inc
  5. (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline Australia Pty Ltd
  6. (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline UK Ltd

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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