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Drug Interactions between epcoritamab and naloxegol

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

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Interactions between your drugs

Moderate

naloxegol epcoritamab

Applies to: naloxegol and epcoritamab

Consumer information for this interaction is not currently available.

MONITOR: Coadministration with epcoritamab may increase the plasma concentrations of drugs that are substrates of CYP450 isoenzymes. Initiation of epcoritamab treatment causes transient release of cytokines that may suppress CYP450 isoenzymes, although the potential for an interaction has not been studied. According to the manufacturer, the highest drug-drug interaction risk would be from the first dose on the first day of cycle 1, up to 14 days after the first 48 mg dose on day 15 of cycle 1, as well as during and after cytokine release syndrome.

MANAGEMENT: Caution is advised when epcoritamab is administered with drugs that are metabolized by CYP450 isoenzymes, particularly those with a narrow therapeutic range, where minimal changes to concentration may lead to significant adverse reactions, such as carbamazepine, colchicine, cyclosporine, disopyramide, phenytoin, quinidine, theophylline, warfarin, macrolide immunosuppressants, vinca alkaloids, and some narcotic analgesics. Clinical and/or laboratory monitoring are recommended, particularly at the initial phase of treatment with epcoritamab as well as during and after cytokine release syndrome, and the dosage(s) of the CYP450 substrate(s) adjusted accordingly.

Drug and food/lifestyle interactions

Major

naloxegol food/lifestyle

Applies to: naloxegol

Do not consume grapefruit or grapefruit juice during treatment with naloxegol. Grapefruit juice can significantly increase the blood levels of naloxegol. You may be more likely to experience side effects and withdrawal symptoms such as sweating, tearing, runny nose, chills, diarrhea, abdominal pain, anxiety, insomnia, irritability, restlessness, and yawning. Taking naloxegol with food can also increase its absorption into the blood stream. Therefore, you should take it on an empty stomach at least 1 hour before or 2 hours after a meal. Talk to your doctor or pharmacist if you have questions on how to take this or other medications you are prescribed. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

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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