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Drug Interactions between Akeega and bcg

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

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Interactions between your drugs

Major

BCG niraparib

Applies to: bcg and Akeega (abiraterone / niraparib)

CONTRAINDICATED: Administration of intravesical BCG during immunosuppressant or intense antineoplastic therapy may be associated with a risk of disseminated infection due to enhanced replication of the BCG strain of Mycobacterium bovis in the presence of diminished immune competence. Deaths have been reported as a result of systemic BCG infection and sepsis. Patients may be immunosuppressed if they have recently received or are receiving alkylating agents, antimetabolites, radiation, some antirheumatic agents, high dosages of corticosteroids or adrenocorticotropic agents (e.g., greater than or equal to 2 mg/kg/day or 20 mg/day of prednisone or equivalent for 14 consecutive days or more), or long-term topical or inhaled corticosteroids. In addition, these patients may not develop an adequate immune response to BCG, which would reduce its anti-tumor efficacy.

MANAGEMENT: Use of intravesical BCG in immunosuppressed patients with congenital or acquired immune deficiencies, including those due to concurrent disease (e.g., AIDS, leukemia, lymphoma), cancer therapy (e.g., cytotoxic drugs, radiation) or immunosuppressive therapy (e.g., corticosteroids), is considered contraindicated. Clinicians should be aware that BCG may persist in the urinary tract for several months after BCG instillations, and delayed manifestations of disseminated BCG infection may develop months or years after BCG therapy. Patients who receive cancer or immunosuppressive therapy after BCG instillation may be at increased risk.

References (6)
  1. Rawls WH, Lamm DL, Lowe BA, et al. (1990) "Fatal sepsis following intravesical bacillus Calmette-Guerin administration for bladder cancer." J Urol, 144, p. 1328-30
  2. Lamm DL, Stogdill VD, Stogdill BJ, Crispen RG (1986) "Complications of bacillus Calmette-Guerin immunotherapy in 1,278 patients with bladder cancer." J Urol, 135, p. 272-4
  3. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  4. Cerner Multum, Inc. "Australian Product Information."
  5. "Product Information. Tice BCG Live (for intravesical use) (BCG)." Organon Pharmaceuticals
  6. CDC Centers for Disease Control and Prevention (2019) General Best Practice Guidelines for Immunization: Altered Immunocompetence. https://www.cdc.gov/vaccines/hcp/acip-recs/general-recs/immunocompetence.pdf

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

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.

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