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Drug Interactions between rolapitant and sirolimus

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

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Interactions between your drugs

Moderate

sirolimus rolapitant

Applies to: sirolimus and rolapitant

GENERALLY AVOID: Coadministration with rolapitant may increase the plasma concentrations of drugs that are substrates of the P-glycoprotein (P-gp) efflux transporter. When a 0.5 mg dose of digoxin, a P-gp probe substrate, was administered with a 180 mg dose of rolapitant, digoxin peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 70% and 30%, respectively.

MANAGEMENT: Concomitant use of rolapitant with drugs that are P-gp substrates should generally be avoided. If concomitant administration is unavoidable, caution is advised, particularly with drugs that have a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever rolapitant is added to or withdrawn from therapy.

References (1)
  1. (2015) "Product Information. Varubi (rolapitant)." Tesaro Inc.

Drug and food interactions

Moderate

sirolimus food

Applies to: sirolimus

ADJUST DOSING INTERVAL: Consumption of food can decrease the rate and extent of gastrointestinal absorption of sirolimus. Also, the consumption of grapefruit juice may result in increased sirolimus trough concentrations.

MANAGEMENT: Experts recommend that this drug be taken either at least one hour prior to eating or consistently with or without food to avoid variations in sirolimus blood levels. The manufacturer recommends against using grapefruit juice for dilution of sirolimus doses. Patients should be monitored for clinical and laboratory evidence of altered immunosuppressant effects.

References (1)
  1. (2001) "Product Information. Rapamune (sirolimus)." Wyeth-Ayerst Laboratories

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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