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Drug Interactions between betrixaban and Venclexta

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

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Interactions between your drugs

Moderate

venetoclax betrixaban

Applies to: Venclexta (venetoclax) and betrixaban

GENERALLY AVOID: Coadministration with venetoclax may increase the plasma concentrations of drugs that are substrates of P-glycoprotein (P-gp). The proposed mechanism is decreased clearance due to inhibition of P-glycoprotein-mediated drug efflux in the intestine, liver, and/or kidney by venetoclax. Data are available for the P-gp substrate digoxin. When a single 0.5 mg dose of digoxin was coadministered with a single 100 mg dose of venetoclax, digoxin peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 35% and 9%, respectively.

MANAGEMENT: Caution is advised when venetoclax is prescribed with drugs that are P-gp substrates, particularly those with a narrow therapeutic range such as digoxin and dabigatran etexilate. Alternatives should be considered whenever possible. The manufacturer recommends that drugs sensitive to P-gp inhibition in the gastrointestinal tract be administered at least 6 hours before venetoclax. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate following the initiation or discontinuation of venetoclax.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. Cerner Multum, Inc. "Australian Product Information."
  3. (2016) "Product Information. Venclexta (venetoclax)." AbbVie US LLC

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Drug and food interactions

Major

venetoclax food

Applies to: Venclexta (venetoclax)

ADJUST DOSING INTERVAL: Food enhances the oral bioavailability of venetoclax. Relative to fasting conditions, venetoclax systemic exposure (AUC) increased by approximately 3.4-fold when administered with a low-fat meal and by 5.1- to 5.3-fold when administered with a high-fat meal.

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of venetoclax. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. In general, the effect of grapefruit juice is concentration-, dose- and preparation-dependent, and can vary widely among brands. Certain preparations of grapefruit juice (e.g., high dose, double strength) have sometimes demonstrated potent inhibition of CYP450 3A4, while other preparations (e.g., low dose, single strength) have typically demonstrated moderate inhibition. Increased venetoclax exposure may potentiate the risk of tumor lysis syndrome, particularly at initiation of therapy and during the dosage ramp-up phase, as well as other adverse effects such as diarrhea, nausea, vomiting, neutropenia, anemia, and thrombocytopenia.

MANAGEMENT: Venetoclax should be administered with a meal and water at approximately the same time each day. Patients should avoid consumption of grapefruit products, Seville oranges, and starfruit during treatment with venetoclax.

References

  1. (2016) "Product Information. Venclexta (venetoclax)." AbbVie US LLC

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

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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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