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Drug Interactions between olaparib and rilonacept

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

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Interactions between your drugs

Moderate

rilonacept olaparib

Applies to: rilonacept and olaparib

GENERALLY AVOID: The use of interleukin-1 blockers with other immunosuppressive or myelosuppressive agents may increase the risk of infections. Interleukin-1 blockade alone may cause neutropenia and serious infections, and the risk may be increased in the presence of other immunosuppressive therapy. Agents that may be significantly myelo- or immunosuppressive include antineoplastic agents, radiation, zidovudine, linezolid, some antirheumatic agents, high dosages of corticosteroids or adrenocorticotropic agents (greater than 10 mg/day to 1 mg/kg/day, whichever is less, of prednisone or equivalent for more than 2 weeks), and long-term topical or inhaled corticosteroids.

MANAGEMENT: The safety and efficacy of interleukin-1 blockers in immunosuppressed patients have not been established. Until more information is available, interleukin-1 blockers should preferably not be administered to immunosuppressed patients, or they should be prescribed with extreme caution. Interleukin-1 blockers should be discontinued if neutropenia or serious infection occurs.

References

  1. "Product Information. Kineret (anakinra)." Amgen (2001):
  2. "Product Information. Arcalyst (rilonacept)." Regeneron Pharmaceuticals Inc (2008):
  3. "Product Information. Ilaris (canakinumab)." Novartis Pharmaceuticals (2009):

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Drug and food interactions

Major

olaparib food

Applies to: olaparib

GENERALLY AVOID: Grapefruit juice may significantly increase the plasma concentrations of olaparib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. In a drug interaction study with 57 patients, olaparib systemic exposure (AUC) was increased approximately 2.7-fold by the potent CYP450 3A4 inhibitor itraconazole. Simulations using physiologically-based pharmacokinetic (PBPK) models suggest that a moderate inhibitor (fluconazole) may increase the AUC of olaparib by 2-fold. The interaction has not been studied with grapefruit juice. In general, the effect of grapefruit juice is concentration-, dose- and preparation-dependent, and can vary widely among brands. Certain preparations of grapefruit juice (e.g., high dose, double strength) have sometimes demonstrated potent inhibition of CYP450 3A4, while other preparations (e.g., low dose, single strength) have typically demonstrated moderate inhibition. Increased exposure to olaparib may increase the risk of adverse effects such as hematologic toxicity, nausea, vomiting, diarrhea, anorexia, dyspepsia, and abdominal pain or discomfort.

MANAGEMENT: Patients treated with olaparib should avoid consumption of grapefruit, grapefruit juice, starfruit (carambola), and Seville oranges.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  2. Cerner Multum, Inc. "Australian Product Information." O 0
  3. "Product Information. Lynparza (olaparib)." Astra-Zeneca Pharmaceuticals (2014):

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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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