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Drug Interactions between Akynzeo and Sancuso

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

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Interactions between your drugs

Moderate

granisetron netupitant

Applies to: Sancuso (granisetron) and Akynzeo (netupitant / palonosetron)

MONITOR: Coadministration with netupitant or its prodrug, fosnetupitant, may increase the plasma concentrations of drugs that are primarily metabolized by CYP450 3A4. The mechanism is decreased clearance due to inhibition of CYP450 3A4 activity by netupitant and its desmethyl metabolite. When a single 7.5 mg oral dose of midazolam, a CYP450 3A4 probe substrate, was administered with netupitant 300 mg, mean midazolam peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 36% and 126%, respectively. When a 500 mg dose of erythromycin, another CYP450 3A4 substrate, was coadministered with netupitant 300 mg, the mean Cmax and AUC of erythromycin were increased by 92% and 56%, respectively, although the systemic exposure of erythromycin was highly variable.

MANAGEMENT: Caution is advised when netupitant or fosnetupitant is used concomitantly with drugs that undergo metabolism by CYP450 3A4, particularly those with a narrow therapeutic range. Dosage adjustments as well as clinical and laboratory monitoring may be appropriate for some drugs whenever netupitant or fosnetupitant is added to or withdrawn from therapy. The inhibitory effect on CYP450 3A4 can last for 6 days after administration of a single dose of netupitant or fosnetupitant.

References

  1. Cerner Multum, Inc. "Australian Product Information." O 0
  2. "Product Information. Akynzeo (netupitant-palonosetron)." Eisai Inc (2014):
  3. "Product Information. Akynzeo for Injection (fosnetupitant-palonosetron)." Helsinn Therapeutics Inc (2018):

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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

Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.

Duplication

5ht3 receptor antagonists

Therapeutic duplication

The recommended maximum number of medicines in the '5HT3 receptor antagonists' category to be taken concurrently is usually one. Your list includes two medicines belonging to the '5HT3 receptor antagonists' category:

  • Akynzeo (netupitant/palonosetron)
  • Sancuso (granisetron)

Note: In certain circumstances, the benefits of taking this combination of drugs may outweigh any risks. Always consult your healthcare provider before making changes to your medications or dosage.

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.

Medical Disclaimer