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Drug Interactions between asciminib and Istodax

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

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Interactions between your drugs

Moderate

romiDEPsin asciminib

Applies to: Istodax (romidepsin) and asciminib

MONITOR: Coadministration with inhibitors of P-glycoprotein (P-gp) may increase the plasma concentrations of romidepsin, which is a substrate of the efflux transporter. Although there are no formal drug interaction studies, the interaction may increase the risk of hematologic toxicities such as anemia, leukopenia, and thrombocytopenia as well as electrocardiographic changes such as QT interval prolongation and T-wave and ST-segment changes.

MANAGEMENT: Caution is advised if romidepsin is prescribed in combination with P-gp inhibitors. Pharmacologic response to romidepsin should be monitored more closely whenever a P-gp inhibitor is added to or withdrawn from therapy, and the romidepsin dosage adjusted as necessary. Patients should have complete blood cell counts, electrocardiograms, and serum electrolyte levels performed at baseline and regular intervals as recommended in the product labeling. Patients should be advised to seek medical attention if they experience symptoms that could indicate the occurrence of torsade de pointes such as dizziness, lightheadedness, fainting, palpitation, irregular heart rhythm, shortness of breath, or syncope.

References

  1. (2009) "Product Information. Istodax (romidepsin)." Gloucester Pharmaceuticals

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Drug and food interactions

Moderate

asciminib food

Applies to: asciminib

ADJUST DOSING INTERVAL: Food may reduce the oral bioavailability of asciminib. When a single 40 mg dose of asciminib was administered with a low-fat meal (400 calories; 25% fat) in healthy volunteers, asciminib peak plasma concentration (Cmax) and systemic exposure (AUC) decreased by 35% and 30%, respectively, compared to asciminib administered in the fasted state. Administration with a high-fat meal (1000 calories; 50% fat) decreased the Cmax and AUC of asciminib by 68% and 62%, respectively.

MANAGEMENT: To ensure adequate asciminib exposures, food consumption should be avoided for at least 2 hours before and 1 hour after taking asciminib.

References

  1. (2021) "Product Information. Scemblix (asciminib)." Novartis Pharmaceuticals
  2. (2022) "Product Information. Scemblix (asciminib)." Novartis Pharmaceuticals UK Ltd, Scemblix 20 mg film-

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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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