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Drug Interactions between enasidenib and rifaximin

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

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Interactions between your drugs

Moderate

rifAXIMin enasidenib

Applies to: rifaximin and enasidenib

MONITOR: Based on in vitro data, coadministration with enasidenib may increase the plasma concentrations of drugs that are substrates of the transporters, organic anion transporting polypeptides (OATP) 1B1/1B3 and breast cancer resistance protein (BCRP). The proposed mechanism is decreased clearance due to enasidenib -mediated inhibition of OATP1B1/1B3 and BCRP transporters. There are no clinical data regarding the use of enasidenib with these substrates.

MANAGEMENT: Caution is advised when enasidenib is used concurrently with medications that are substrates of OATP 1B1/1B3 and/or BCRP, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever enasidenib is added to or withdrawn from therapy.

References

  1. Cerner Multum, Inc. "Australian Product Information."
  2. (2017) "Product Information. Idhifa (enasidenib)." Celgene Corporation

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Drug and food interactions

No alcohol/food interactions were found. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

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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