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Drug Interactions between ropeginterferon alfa-2b and Scemblix

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

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Interactions between your drugs

Moderate

ropeginterferon alfa-2b asciminib

Applies to: ropeginterferon alfa-2b and Scemblix (asciminib)

GENERALLY AVOID: Coadministration with other myelosuppressive agents may potentiate the hematologic toxicities of ropeginterferon alfa-2b. Decreased peripheral blood counts have been reported in patients receiving interferon alfa products, including ropeginterferon alfa-2b. In two open label trials consisting of 178 patients receiving ropeginterferon alfa-2b monotherapy (dosed every 2 to 4 weeks) for the treatment of polycythemia vera, 80% of whom were exposed for 12 months or longer, leukopenia occurred in 20% of patients and thrombocytopenia in 19% of patients. Leukopenia, thrombocytopenia and anemia of grade 3 or higher occurred in 2%, 2% and 1% of patients, respectively. Moreover, infections occurred in 48% of patients, while serious infections occurred in 8% of patients.

MANAGEMENT: Concomitant use of ropeginterferon alfa-2b with other myelosuppressive agents should be avoided when possible. Otherwise, close clinical and laboratory monitoring are advised. Complete blood counts should be performed at baseline, during titration, and every 3 to 6 months or more frequently as clinically indicated during the maintenance phase.

References (2)
  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2021) "Product Information. BESREMi (ropeginterferon alfa-2b)." PharmaEssentia USA Corp

Drug and food interactions

Moderate

asciminib food

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

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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