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Drug Interactions between edoxaban and Zytiga

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

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Interactions between your drugs

Major

abiraterone edoxaban

Applies to: Zytiga (abiraterone) and edoxaban

ADJUST DOSE: Coadministration with inhibitors of P-glycoprotein (P-gp) may increase the plasma concentrations of edoxaban, which is a substrate of the efflux transporter. In healthy volunteers, single-dose edoxaban systemic exposure (AUC) increased approximately 80% to 90% by erythromycin, dronedarone, and ketoconazole; 70% to 80% by cyclosporine and quinidine; 50% by verapamil; and 40% by amiodarone. The peak plasma concentration (Cmax) of edoxaban also increased by approximately 45% to 90% with these drugs.

MANAGEMENT: When used for the treatment of deep vein thrombosis and pulmonary embolism, the manufacturer recommends that edoxaban dosage be reduced to 30 mg once daily in patients receiving concomitant treatment with certain P-gp inhibitors including azithromycin, clarithromycin, erythromycin, oral itraconazole, oral ketoconazole, quinidine, and verapamil. This dosage recommendation is based on data from a clinical study, the Hokusai VTE study, and is limited to use with the specific P-gp inhibitors mentioned. Other P-gp inhibitors were not permitted in the study, and patients on antiretroviral therapy (ritonavir, nelfinavir, indinavir, saquinavir) as well as cyclosporine were excluded from the study. Following discontinuation of the P-gp inhibitor, edoxaban dosage should be returned to the regular dosage of 60 mg once daily. No dosage adjustment is recommended for edoxaban when used in the treatment of nonvalvular atrial fibrillation.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. Mendell J, Zahir H, Matsushima N, et al. (2013) "Drug-Drug Interaction Studies of Cardiovascular Drugs Involving P-Glycoprotein, an Efflux Transporter, on the Pharmacokinetics of Edoxaban, an Oral Factor Xa Inhibitor." Am J Cardiovasc Drugs
  3. (2015) "Product Information. Savaysa (edoxaban)." Daiichi Sankyo, Inc.
  4. Parasrampuria DA, Mendell J, Shi M, Matsushima N, Zahir H, Truitt K (2016) "Edoxaban drug–drug interactions with ketoconazole, erythromycin, and cyclosporine." Br J Clin Pharmacol, epub
View all 4 references

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Drug and food interactions

Moderate

abiraterone food

Applies to: Zytiga (abiraterone)

ADJUST DOSING INTERVAL: Food may significantly increase the oral bioavailability of some formulations of abiraterone acetate. Compared to administration in the fasted state, abiraterone peak plasma concentration (Cmax) and systemic exposure (AUC) were approximately 7- and 5-fold higher, respectively, when a single dose of abiraterone acetate was administered with a low-fat meal (7% fat; 300 calories) and approximately 17- and 10-fold higher, respectively, when it was administered with a high-fat meal (57% fat; 825 calories). Given the normal variation in the content and composition of meals, taking abiraterone acetate with meals has the potential to result in increased and highly variable exposures. The safety of these increased exposures during multiple dosing has not been assessed. However, the abiraterone acetate 125 mg tablet, commonly marketed as Yonsa, was found to have an approximately 6.5-fold higher Cmax and 4.4-fold higher AUC when a single dose of 500 mg (4 tablets) was administered with a high-fat meal (56% - 60% fat, 900 - 1000 calories) compared to overnight fasting in healthy volunteers. These differences were not considered clinically significant for this formulation.

MANAGEMENT: Some formulations of abiraterone acetate must be taken on an empty stomach. No food should be consumed for at least two hours before and one hour after the abiraterone acetate dose. However, the abiraterone acetate 125 mg tablet, commonly marketed as Yonsa, can be taken with or without food. The manufacturer's product labeling should be consulted for specific guidance.

References

  1. (2011) "Product Information. Zytiga (abiraterone)." Centocor Inc
  2. (2023) "Product Information. Akeega (abiraterone-niraparib)." Janssen Biotech, Inc.
  3. (2023) "Product Information. Akeega (abiraterone-niraparib)." Janssen Inc
  4. (2021) "Product Information. Zytiga (abiraterone)." Janssen Biotech, Inc.
  5. (2022) "Product Information. Yonsa (abiraterone)." Sun Pharmaceutical Industries
  6. (2023) "Product Information. Apo-Abiraterone (abiraterone)." Apotex Inc
  7. (2021) "Product Information. Zytiga (abiraterone)." Janssen-Cilag Pty Ltd
  8. (2023) "Product Information. Abiraterone (abiraterone)." Wockhardt UK Ltd
  9. (2023) "Product Information. Yonsa Mpred (abiraterone-methylprednisolone)." Sun Pharma ANZ Pty Ltd
View all 9 references

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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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