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Drug Interactions between bedaquiline and trofinetide

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

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Interactions between your drugs

Moderate

bedaquiline trofinetide

Applies to: bedaquiline and trofinetide

MONITOR: Coadministration with trofinetide may increase the plasma concentrations of drugs that are substrates of CYP450 3A4 via inhibition of the isoenzyme. Based on pharmacokinetic modeling, concomitant use of trofinetide and oral midazolam, a sensitive CYP450 3A4 substrate, is predicted to increase midazolam systemic exposure (AUC) by approximately 1.33-fold. Clinical data are currently lacking.

MANAGEMENT: Caution is advised if trofinetide is coadministered with CYP450 3A4 substrates, particularly sensitive substrates or those with a narrow therapeutic range. If concomitant use is required, clinical and laboratory monitoring may be appropriate whenever trofinetide is added to or withdrawn from therapy.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)
  1. (2023) "Product Information. Daybue (trofinetide)." Acadia Pharmaceuticals

Drug and food interactions

Moderate

bedaquiline food

Applies to: bedaquiline

ADJUST DOSING INTERVAL: Food enhances the oral bioavailability of bedaquiline. When administered with a standard meal containing approximately 22 grams of fat (558 total Kcal), the relative bioavailability of bedaquiline increased by approximately 2-fold compared to administration under fasted conditions.

GENERALLY AVOID: Coadministration with alcohol may increase the risk of hepatotoxicity associated with the use of bedaquiline. In clinical trials, hepatic adverse drug reactions developed in more bedaquiline-treated patients than in those who received other drugs used to treat tuberculosis. In patients receiving bedaquiline or placebo in combination with other drugs used to treat multidrug-resistant tuberculosis, reversible aminotransferase elevations of at least 3 times the upper limit of normal developed more frequently in the bedaquiline treatment group [10.8%] than in the placebo group [5.7%].

MANAGEMENT: To ensure maximal oral absorption, bedaquiline should be taken with food. Patients should avoid alcohol use during treatment.

References (1)
  1. (2013) "Product Information. Sirturo (bedaquiline)." Janssen 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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