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Drug Interactions between Akeega and tagraxofusp

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

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Interactions between your drugs

Moderate

niraparib tagraxofusp

Applies to: Akeega (abiraterone / niraparib) and tagraxofusp

MONITOR: The concomitant use of myelosuppressive, immunosuppressive, or cytotoxic agents may potentiate and/or prolong the bone marrow toxicity associated with niraparib. Thrombocytopenia, anemia, neutropenia, and/or pancytopenia have all been observed with niraparib during clinical trials, especially during the initial phase of treatment. Additionally, myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML) have been reported in patients treated with niraparib. Some cases were fatal, and the duration of therapy with niraparib in patients who developed MDS/AML varied from less than 1 month to approximately 6 years. All patients had previous chemotherapy with platinum agents and/or other DNA-damaging agents, including radiotherapy.

MANAGEMENT: Caution is advised if niraparib is prescribed with other myelosuppressive, immunosuppressive, or cytotoxic agents. Do not start niraparib until patients have recovered from hematological toxicity caused by previous chemotherapy (Grade 1 or less). Complete blood counts should be monitored as recommended in the product labeling and any relevant institutional protocols. Recommendations for dose adjustments as well as treatment interruption and discontinuation can also be found in the product labeling for serious hematologic adverse reactions. If hematological toxicities have not resolved within 4 weeks after interruption, discontinue niraparib and refer the patient to a hematologist for further investigations, including bone marrow analysis and blood sample for cytogenetics. If MDS/AML is confirmed, discontinue niraparib. Patients should be advised to contact their physician if they experience pale skin, weakness, fatigue, fever, weight loss, infections, shortness of breath, unusual bleeding or bruising, or blood in urine or stool.

References (7)
  1. (2023) "Product Information. Akeega (abiraterone-niraparib)." Janssen Biotech, Inc.
  2. (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline
  3. (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline Inc
  4. (2023) "Product Information. Akeega (abiraterone-niraparib)." Janssen Inc
  5. (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline Australia Pty Ltd
  6. (2023) "Product Information. Zejula (niraparib)." GlaxoSmithKline UK Ltd
  7. (2024) "Product Information. Vyvgart (efgartigimod alfa)." Argenx UK Ltd

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Drug and food interactions

Moderate

abiraterone food

Applies to: Akeega (abiraterone / niraparib)

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 (9)
  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

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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.


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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.