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Drug Interactions between dronedarone and Rapiblyk

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

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Interactions between your drugs

Major

dronedarone landiolol

Applies to: dronedarone and Rapiblyk (landiolol)

GENERALLY AVOID: Concomitant use of landiolol with negative inotropes, medications that slow heart rate or cardiac conduction should be done with caution. Coadministration may result in additive suppression of cardiac function, atrioventricular (AV) conduction abnormalities, prolonged PR interval, and potentially additive heart-rate and blood pressure lowering effects. Landiolol alone is associated with increased risk of bradycardia and heart block, and therefore coadministration with these agents may potentiate these effects.

MANAGEMENT: If coadministration is clinically necessary, careful titration of the landiolol infusion and close hemodynamic monitoring is advised. Consultation with package labeling and relevant institutional protocols may be advisable for further guidance.

References (2)
  1. (2024) "Product Information. Sibboran (landiolol)." Trimedic Therapeutics Inc.
  2. (2024) "Product Information. Rapiblyk (landiolol)." AOP Orphan Pharmaceuticals GmbH

Drug and food interactions

Major

dronedarone food

Applies to: dronedarone

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of dronedarone. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits. According to the product labeling, administration with grapefruit juice resulted in a 2.5-fold increase in dronedarone peak plasma concentration and a 3-fold increase in systemic exposure. Because dronedarone is associated with concentration-dependent prolongation of the QT interval, increased levels may potentiate the risk of ventricular arrhythmias such as torsade de pointes and sudden death.

ADJUST DOSING INTERVAL: Food increases the oral bioavailability of dronedarone. The mechanism of interaction is unknown. According to the product labeling, the absolute bioavailability of dronedarone increases from about 4% when administered in the fasted state to approximately 15% when administered with a high-fat meal.

MANAGEMENT: Patients treated with dronedarone should avoid consumption of grapefruit, grapefruit juice, and any supplement containing grapefruit extract. Dronedarone should be taken twice daily with the morning and evening meals.

References (1)
  1. (2009) "Product Information. Multaq (dronedarone)." sanofi-aventis

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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