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Drug Interactions between Optison and triclabendazole

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

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Interactions between your drugs

Moderate

perflutren triclabendazole

Applies to: Optison (perflutren) and triclabendazole

MONITOR: Perflutren lipid microsphere suspension (Definity) has been reported to cause prolongation of the QT interval. Theoretically, coadministration with other agents that can prolong the QT interval may result in additive effects and increased risk of ventricular arrhythmias including torsade de pointes and sudden death. In 221 study subjects who received ECG monitoring at various time points from 1 to 72 hours following administration of perflutren lipid microsphere bolus doses of up to 10 microL/kg, QTc prolongations of >30 msec were noted in 64 (29%) subjects. Forty-six out of these 64 subjects were further evaluated, and 18 (39%) were found to have associated cardiac rhythm changes. The effects of concomitant drugs were not studied. In general, the risk of an individual agent or a combination of agents causing ventricular arrhythmia in association with QT prolongation is largely unpredictable but may be increased by certain underlying risk factors such as congenital long QT syndrome, cardiac disease, and electrolyte disturbances (e.g., hypokalemia, hypomagnesemia). In addition, the extent of drug-induced QT prolongation is dependent on the particular drug(s) involved and dosage(s) of the drug(s).

MANAGEMENT: Caution is recommended if perflutren lipid microsphere suspension is used in combination with other drugs that can prolong the QT interval. Please refer to the prescribing information for these drugs for more information. No data are available regarding the effect of perflutren protein-type A microsphere suspension (Optison) on the QT interval of the electrocardiogram.

References

  1. (2015) "Product Information. Definity (perflutren)." Lantheus Medical Imaging Inc
  2. (2015) "Product Information. Optison (perflutren)." Mallinckrodt Medical Inc

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Drug and food interactions

No alcohol/food interactions were found. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.

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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