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Drug Interactions between Exjade and Logilia

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

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Interactions between your drugs

Moderate

deferasirox ulipristal

Applies to: Exjade (deferasirox) and Logilia (ulipristal)

GENERALLY AVOID: Coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of ulipristal acetate and its pharmacologically active metabolite. Based on in vitro and pharmacokinetic data, ulipristal acetate is thought to be primarily metabolized by CYP450 3A4 to mono-demethylated and di-demethylated metabolites. When a single 30 mg dose of ulipristal acetate was administered following a 9-day treatment with 600 mg once daily of rifampin, a potent CYP450 3A4 inducer, ulipristal acetate peak plasma concentration (Cmax) and systemic exposure (AUC) decreased by 90% and 93% respectively, while half-life decreased by 2.2-fold. The Cmax and AUC of monodemethyl-ulipristal acetate, the active metabolite, decreased by 84% and 90%, respectively. The interaction has not been studied with other, less potent inducers.

MANAGEMENT: When used to prevent pregnancy, ulipristal acetate should not be coadministered with CYP450 3A4 inducers due to the potential for loss of therapeutic efficacy. For patients who have used enzyme-inducing drugs within the past 4 weeks and are seeking emergency contraception, ulipristal acetate is not recommended and a non-hormonal method (i.e. a copper intrauterine device (Cu-IUD)) should be considered.

References

  1. Cerner Multum, Inc. "Australian Product Information." O 0
  2. Cerner Multum, Inc. "Canadian Product Information." O 0 (2015):
  3. "Product Information. Esmya (ulipristal)." Gedeon Richter (UK) Ltd (2021):
  4. "Product Information. EllaOne (ulipristal)." HRA Pharma UK & Ireland Ltd (2021):
View all 4 references

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Drug and food interactions

Moderate

deferasirox food

Applies to: Exjade (deferasirox)

ADJUST DOSING INTERVAL: According to product labeling, the bioavailability of deferasirox was variably increased when taken with a meal.

MANAGEMENT: To ensure consistent plasma drug levels, deferasirox should be taken on an empty stomach 30 minutes before eating preferably at the same time everyday.

References

  1. "Product Information. Exjade (deferasirox)." Novartis Pharmaceuticals (2005):

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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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