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Drug Interactions between etravirine and Voranigo

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

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Interactions between your drugs

Moderate

etravirine vorasidenib

Applies to: etravirine and Voranigo (vorasidenib)

GENERALLY AVOID: Concomitant use with multiple doses of vorasidenib may decrease the plasma concentrations of drugs that are substrates of CYP450 3A. Vorasidenib is predicted to be an inducer of CYP450 3A resulting in decreased plasma concentrations of agents that are metabolized by the isoenzyme. The interaction may be significant for sensitive CYP450 3A4 substrates or those that demonstrate a narrow therapeutic index. Clinical and pharmacokinetic data are currently lacking.

MANAGEMENT: Concomitant use of vorasidenib with substrates of CYP450 3A should be avoided due to the potential for reduced efficacy

References (2)
  1. (2024) "Product Information. Voranigo (vorasidenib)." Servier Pharmaceuticals LLC
  2. Multicenter Study Group (2024) Center for drug evaluation and research. Application number: 218784Orig1s000. Integrated review. https://www.accessdata.fda.gov/drugsatfda_docs/nda/2024/218784Orig1s000MultidisciplineR.pdf

Drug and food interactions

Moderate

etravirine food

Applies to: etravirine

ADJUST DOSING INTERVAL: Coadministration with food increases the oral bioavailability of etravirine. The mechanism is unknown. Compared to administration following a meal, the systemic exposure (AUC) to etravirine was decreased by about 50% when the drug was administered under fasting conditions. The types of meal studied (ranging from 345 kilocalories containing 17 grams fat to 1160 kilocalories containing 70 grams fat) did not appear to make a difference with respect to impact on etravirine bioavailability.

MANAGEMENT: Etravirine should always be administered following a meal.

References (1)
  1. (2008) "Product Information. Intelence (etravirine)." Ortho Biotech Inc
Moderate

vorasidenib food

Applies to: Voranigo (vorasidenib)

GENERALLY AVOID: Due to induction of CYP450 1A2, the isoenzyme primarily responsible for the metabolic clearance of vorasidenib, smoking tobacco during treatment with vorasidenib may decrease its plasma concentrations and anti-tumor effect. Clinical and pharmacokinetic data are currently lacking.

MANAGEMENT: Patient should be advised to avoid smoking tobacco during treatment with vorasidenib because it may reduce efficacy of the therapy.

References (1)
  1. (2024) "Product Information. Voranigo (vorasidenib)." Servier Pharmaceuticals LLC

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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