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Drug Interactions between enzalutamide and isotretinoin

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

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Interactions between your drugs

Moderate

ISOtretinoin enzalutamide

Applies to: isotretinoin and enzalutamide

MONITOR: Coadministration with enzalutamide may decrease the plasma concentrations of drugs that are substrates of CYP450 3A4, 2C9, 2C19, and/or P-glycoprotein (P-gp) efflux transporter. The proposed mechanism involves accelerated clearance via these routes due to enzalutamide-mediated induction. The resulting plasma concentrations will depend on the sensitivity of the affected drugs to these isoenzymes.

MANAGEMENT: Caution is advised when enzalutamide is used concomitantly with drugs that are substrates of CYP450 3A4, 2C9, 2C19, and/or P-gp, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever enzalutamide is added to or withdrawn from therapy.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. Cerner Multum, Inc. "Australian Product Information."
  3. (2012) "Product Information. Xtandi (enzalutamide)." Astellas Pharma US, Inc
  4. Benoist G, van Oort I, et al. (2017) "Drug-drug interaction potential in men treated with enzalutamide: Mind the gap." Br J Clin Pharmacol, epub
View all 4 references

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Drug and food interactions

Moderate

ISOtretinoin food

Applies to: isotretinoin

GENERALLY AVOID: The combined use of ethanol and isotretinoin may result in a disulfiram-like reaction. The mechanism has not been established.

MANAGEMENT: Alcohol consumption should be avoided during isotretinoin therapy.

References

  1. (2001) "Product Information. Accutane (isotretinoin)." Roche Laboratories

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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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