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Drug Interactions between doxorubicin and eliglustat

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

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Interactions between your drugs

Moderate

DOXOrubicin eliglustat

Applies to: doxorubicin and eliglustat

MONITOR: Coadministration with eliglustat may increase the plasma concentrations of drugs that are substrates of the P-glycoprotein (P-gp) transporter. The proposed mechanism is decreased clearance in the intestine, liver, and/or kidney due to inhibition of P-glycoprotein-mediated drug efflux by eliglustat. When the P-gp probe substrate digoxin was given with eliglustat 127 mg twice daily in CYP450 2D6 extensive or intermediate metabolizers and 84 mg twice daily in poor metabolizers, mean digoxin peak plasma concentration (Cmax) and systemic exposure (AUC) increased by approximately 1.7- and 1.5-fold, respectively, compared to digoxin administered alone.

MANAGEMENT: Caution is advised when eliglustat is used concurrently with drugs that are known P-gp substrates, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever eliglustat is added to or withdrawn from therapy.

References (1)
  1. (2014) "Product Information. Cerdelga (eliglustat)." Genzyme Corporation

Drug and food interactions

Major

eliglustat food

Applies to: eliglustat

GENERALLY AVOID: Grapefruit juice may significantly increase the systemic exposure to eliglustat. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. Because eliglustat is predicted to cause prolongation of the PR, QTc, and QRS cardiac intervals at substantially elevated plasma concentrations, consumption of grapefruit juice during treatment may increase the risk of bradycardia, atrioventricular block, cardiac arrest, and serious ventricular arrhythmias such as torsade de pointes.

MANAGEMENT: Patients treated with eliglustat should avoid consumption of grapefruit and grapefruit juice.

References (1)
  1. (2014) "Product Information. Cerdelga (eliglustat)." Genzyme Corporation

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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