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Drug Interactions between crinecerfont and Dexamethasone Intensol

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

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Interactions between your drugs

Moderate

dexAMETHasone crinecerfont

Applies to: Dexamethasone Intensol (dexamethasone) and crinecerfont

Consumer information for this interaction is not currently available.

ADJUST DOSE: Coadministration with moderate inducers of CYP450 3A4 may decrease the plasma concentrations of crinecerfont, which is primarily metabolized by the isoenzyme. Concomitant use with rifampin, a potent CYP450 3A4 inducer, decreased crinecerfont peak plasma concentration (Cmax) and systemic exposure (AUC) by 23% and 62%, respectively. No data are available for other, less potent inducers. Reduced efficacy of crinecerfont may occur.

MANAGEMENT: When coadministered with moderate CYP450 3A4 inducers, the crinecerfont evening dose should be increased.
In adults, increase the crinecerfont dose to 200 mg with a meal in the evening (morning dose of 100 mg with a meal remains unchanged).

In pediatric patients 4 years of age and older, increase the crinecerfont dose based on weight:
-Patients weighing 10 kg to less than 20 kg: 50 mg with a meal in the evening (morning dose of 25 mg with a meal remains unchanged)
-Patients weighing 20 kg to less than 55 kg: 100 mg with a meal in the evening (morning dose of 50 mg with a meal remains unchanged)
-Patients weighing 55 kg or more: 200 mg with a meal in the evening (morning dose of 100 mg with a meal remains unchanged)

Drug and food interactions

Moderate

crinecerfont food

Applies to: crinecerfont

Consumer information for this interaction is not currently available.

ADJUST DOSING INTERVAL: Coadministration with food increases the oral bioavailability of crinecerfont. Administration of crinecerfont capsules and oral solution with a high-fat meal (800 to 1000 calories, 50% fat), increased crinecerfont peak plasma concentration (Cmax) by 4.9-fold and 8.6-fold, respectively, and systemic exposure (AUC) by 3.3-fold and 8.3-fold, respectively, compared to administration under fasting conditions.

MANAGEMENT: Crinecerfont should be administered twice daily with a meal in the morning and evening without regard to fat or calorie content.

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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