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Drug Interactions between ribociclib and ticagrelor

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

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Interactions between your drugs

Moderate

ticagrelor ribociclib

Applies to: ticagrelor and ribociclib

MONITOR: Coadministration with moderate inhibitors of CYP450 3A4 may increase the plasma concentrations of ticagrelor, which is primarily metabolized by the isoenzyme. In healthy volunteers, administration of ticagrelor in combination with the moderate CYP450 3A4 inhibitor diltiazem resulted in increased ticagrelor peak plasma concentration (Cmax) and systemic exposure (AUC) by 69% and 174%, respectively. For the active metabolite, the Cmax was decreased by 38% and the AUC was unchanged. Ticagrelor had no effect on the plasma levels of diltiazem.

MANAGEMENT: Although administration with moderate CYP450 3A4 inhibitors is thought to be generally safe, it may be advisable to monitor pharmacologic response to ticagrelor more closely following the addition and withdrawal of these agents. Discontinuation of the concomitant medication may be required if an interaction is suspected.

References (2)
  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2011) "Product Information. Brilinta (ticagrelor)." Astra-Zeneca Pharmaceuticals

Drug and food interactions

Moderate

ribociclib food

Applies to: ribociclib

GENERALLY AVOID: Pomegranates and grapefruit may increase the systemic exposure to ribociclib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in these fruits. Increased exposure to ribociclib may increase the risk of adverse effects such as infections, neutropenia, leukopenia, anemia, thrombocytopenia, anorexia, nausea, vomiting, diarrhea, stomatitis, alopecia, fatigue, headache, and abnormal liver function may be increased.

MANAGEMENT: Patients receiving ribociclib should avoid consumption of pomegranates or pomegranate juice and grapefruit or grapefruit juice during treatment.

References (1)
  1. (2017) "Product Information. Kisqali (ribociclib)." Novartis Pharmaceuticals

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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