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Drug Interactions between betrixaban and erdafitinib

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

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Interactions between your drugs

Moderate

betrixaban erdafitinib

Applies to: betrixaban and erdafitinib

GENERALLY AVOID: Coadministration with erdafitinib may increase the plasma concentrations of drugs that are substrates of the P-glycoprotein (P-gp) efflux transporter, resulting in increased toxicity of these drugs. In vitro, erdafitinib has been shown to be an inhibitor of P-gp. However, no pharmacokinetic data are available from drug interaction studies.

MANAGEMENT: Concomitant use of erdafitinib and P-gp substrates should generally be avoided. If concomitant use is required, administer erdafitinib at least 6 hours before or after administration of P-gp substrates with narrow therapeutic ranges.

References (1)
  1. (2019) "Product Information. Balversa (erdafitinib)." Janssen Products, LP

Drug and food interactions

Moderate

betrixaban food

Applies to: betrixaban

ADJUST DOSING INTERVAL: Food reduces the oral bioavailability of betrixaban. When administered with a low-fat (900 calories; 20% fat) or high-fat (900 calories; 60% fat) meal, betrixaban peak plasma concentration (Cmax) and systemic exposure (AUC) decreased relative to administration in the fasting state by an average of 70% and 61%, respectively, with the low-fat meal and 50% and 48%, respectively, with the high-fat meal. The effect of food on betrixaban pharmacokinetics could be observed for up to 6 hours after meal intake.

MANAGEMENT: The manufacturer recommends taking betrixaban at the same time each day with food.

References (1)
  1. (2017) "Product Information. Bevyxxa (betrixaban)." Portola Pharmaceuticals

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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