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Drug Interactions between olutasidenib and Uceris

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

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Interactions between your drugs

Moderate

budesonide olutasidenib

Applies to: Uceris (budesonide) and olutasidenib

MONITOR: Coadministration with olutasidenib may decrease the plasma concentrations of drugs that are substrates of CYP450 3A4. Based on in vitro studies, olutasidenib may increase clearance via induction of CYP450 3A4, resulting in decreased plasma concentrations of agents that are metabolized by the isoenzyme. Clinical and pharmacokinetic data are currently lacking.

MANAGEMENT: Caution is advised if olutasidenib is used concomitantly with drugs that are substrates of CYP450 3A4, particularly sensitive substrates or those with a narrow therapeutic range. The prescribing information for olutasidenib recommends avoiding coadministration with CYP450 3A4 substrates for which minimal concentration changes may lead to therapeutic failure. If coadministration is required, clinical and laboratory monitoring may be appropriate whenever olutasidenib is added to or withdrawn from therapy.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. (2022) "Product Information. Rezlidhia (olutasidenib)." Rigel Pharmaceuticals

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Drug and food interactions

Moderate

budesonide food

Applies to: Uceris (budesonide)

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations and systemic effects of orally administered budesonide. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits. According to the manufacturer, the systemic exposure of oral budesonide approximately doubles after extensive intake of grapefruit juice.

MANAGEMENT: Patients receiving budesonide should avoid the regular consumption of grapefruits and grapefruit juice to prevent undue increases in plasma budesonide levels and systemic effects.

References

  1. (2001) "Product Information. Entocort (budesonide)." AstraZeneca Pharma Inc

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Moderate

olutasidenib food

Applies to: olutasidenib

ADJUST DOSING INTERVAL: Coadministration with a high-fat meal may increase the plasma concentrations of olutasidenib. According to the product labeling, administration of a single 150 mg dose with a high-fat meal (approximately 800 to 1000 calories, with approximately 50% of those calories from fat) increased olutasidenib peak plasma concentration (Cmax) and systemic exposure (AUC) by 191% and 83%, respectively, in healthy subjects.

MANAGEMENT: Olutasidenib should be administered at about the same time each day, on an empty stomach at least 1 hour before or 2 hours after a meal.

References

  1. (2022) "Product Information. Rezlidhia (olutasidenib)." Rigel Pharmaceuticals

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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.

See also

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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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