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Drug Interactions between ponesimod and sirolimus protein-bound

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

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Interactions between your drugs

Major

ponesimod sirolimus protein-bound

Applies to: ponesimod and sirolimus protein-bound

MONITOR CLOSELY: Coadministration of ponesimod with antineoplastic, immunosuppressive, or other immune-modulating therapies may increase the risk of unintended additive immunosuppressive effects. Ponesimod causes reversible sequestration of lymphocytes in lymphoid tissues. When administered daily, ponesimod produces a dose-dependent reduction in peripheral lymphocyte count to 30% to 40% of baseline values, which may increase the risk of infections. Life-threatening and rare fatal infections have been reported in association with sphingosine 1-phosphate (S1P) receptor modulators. Decreased lymphocyte counts persist during chronic daily dosing and generally return to normal within 1 week after stopping the medication. Because residual pharmacodynamic effects, such as decreased peripheral lymphocytes, may persist for 1 to 2 weeks after the last dose, use of immunosuppressants during this time may also lead to additive immune effects.

MANAGEMENT: The safety and efficacy of ponesimod in combination with antineoplastic, immunosuppressive, or immune-modulating agents have not been evaluated. Caution is advised during coadministration and for 1 to 2 weeks after the last dose of ponesimod. When switching from drugs with prolonged immune effects to ponesimod, the half-life and mode of action of these drugs must be considered to avoid unintended additive immunosuppressive effects while at the same time minimizing risk of disease reactivation.

References (1)
  1. (2021) "Product Information. Ponvory (ponesimod)." Janssen Pharmaceuticals

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

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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