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Drug Interactions between rifaximin and trofinetide

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

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Interactions between your drugs

Moderate

rifAXIMin trofinetide

Applies to: rifaximin and trofinetide

MONITOR: Coadministration with trofinetide may increase the plasma concentrations of drugs that are substrates of organic anion transporting polypeptide 1B1 (OATP1B1) and/or 1B3 (OATP1B3) via inhibition of these transporters. Clinical and pharmacokinetic data are currently lacking.

MANAGEMENT: Caution is advised if trofinetide is used concomitantly with substrates of OATP1B1 or OATP1B3, particularly sensitive substrates or those with a narrow therapeutic range. The prescribing information for trofinetide recommends avoiding coadministration with OATP1B1/3 substrates for which minimal concentration changes may lead to serious toxicities. If coadministration is required, dosage adjustments as well as clinical and laboratory monitoring may be appropriate whenever trofinetide is added to or withdrawn from therapy. The prescribing information for concomitant medications should be consulted to assess the benefits versus risks of coadministration and for any dosage adjustments that may be required.

References

  1. (2023) "Product Information. Daybue (trofinetide)." Acadia Pharmaceuticals

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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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