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Drug Interactions between sirolimus protein-bound and Stimufend

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

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Interactions between your drugs

Moderate

pegfilgrastim sirolimus protein-bound

Applies to: Stimufend (pegfilgrastim) and sirolimus protein-bound

ADJUST DOSING INTERVAL: The safety and efficacy of recombinant human granulocyte colony-stimulating factors (rhG-CSF) administered simultaneously with cytotoxic agents, including cancer chemotherapy, have not been established. Theoretical concerns exist regarding their concomitant administration because hematopoietic growth factors stimulate myeloid cell proliferation while antineoplastic agents primarily target rapidly dividing cells.

MANAGEMENT: The prescribing information for pegfilgrastim, eflapegrastim, and efbemalenograstim alfa recommends that these products not be administered between 14 days before and 24 hours after antineoplastic agents.

References

  1. (2002) "Product Information. Neulasta (pegfilgrastim)." Amgen
  2. (2022) "Product Information. Rolvedon (eflapegrastim)." Spectrum Pharmaceuticals Inc, 2
  3. (2023) "Product Information. Ryzneuta (efbemalenograstim alfa)." Evive Biotech

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Drug and food interactions

Moderate

sirolimus protein-bound food

Applies to: sirolimus protein-bound

GENERALLY AVOID: Coadministration of protein-bound sirolimus intravenous suspension with grapefruit juice may increase the systemic exposure to sirolimus. The proposed mechanism is inhibition of CYP450 3A4-mediated metabolism of sirolimus by certain compounds present in grapefruit. However, grapefruit juice primarily inhibits CYP450 3A4-mediated first-pass metabolism in the gut wall and may have limited effects on medications that are not administered orally. No formal studies evaluating the drug interaction potential of protein-bound sirolimus have been conducted. 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.

MANAGEMENT: The manufacturer recommends avoiding grapefruit and grapefruit juice during treatment with protein-bound sirolimus.

References

  1. (2022) "Product Information. Fyarro (sirolimus protein-bound)." Aadi Bioscience, Inc.

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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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