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Drug Interactions between betrixaban and sorafenib

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

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Interactions between your drugs

Moderate

SORAfenib betrixaban

Applies to: sorafenib and betrixaban

MONITOR: Based on in vitro inhibition data, coadministration with sorafenib 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 sorafenib.

MANAGEMENT: Caution is advised when sorafenib 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as well as clinical and laboratory monitoring may be appropriate for some drugs whenever sorafenib is added to or withdrawn from therapy.

References (2)
  1. (2005) "Product Information. Nexavar (sorafenib)." Bayer Pharmaceutical Inc
  2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

Drug and food interactions

Moderate

SORAfenib food

Applies to: sorafenib

ADJUST DOSING INTERVAL: Food may reduce the oral absorption and bioavailability of sorafenib. According to the product labeling, sorafenib bioavailability was reduced by 29% when administered with a high-fat meal compared to administration in the fasted state. When given with a moderate-fat meal, bioavailability was similar to that in the fasted state.

MANAGEMENT: To ensure maximal and consistent oral absorption, sorafenib should be taken at least one hour before or two hours after eating.

References (1)
  1. (2005) "Product Information. Nexavar (sorafenib)." Bayer Pharmaceutical Inc
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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