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Drug Interaction Report

1 potential interaction and/or warning found for the following 2 drugs:

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Interactions between your drugs

Moderate

oxtriphylline elranatamab

Applies to: Brondelate (guaifenesin / oxtriphylline), elranatamab

MONITOR: Coadministration with elranatamab may increase the plasma concentrations of drugs that are substrates of CYP450 isoenzymes. Initiation of elranatamab treatment causes transient release of cytokines that may suppress CYP450 isoenzymes, although the potential for interaction has not been studied. According to the manufacturer, the highest drug-drug interaction risk would be after the first dose of elranatamab on day 1 and up to 14 days after the 32 mg dose on day 4, as well as during and after cytokine release syndrome.

MANAGEMENT: Caution is advised when elranatamab is administered with drugs that are metabolized by CYP450 isoenzymes, particularly those with a narrow therapeutic index such as carbamazepine, colchicine, cyclosporine, disopyramide, phenytoin, quinidine, theophylline, warfarin, macrolide immunosuppressants, vinca alkaloids, and some narcotic analgesics. Clinical and/or laboratory monitoring is recommended following the initiation of elranatamab, and the dosage(s) of the CYP450 substrate(s) may be adjusted accordingly.

References (1)
  1. (2023) "Product Information. Elrexfio (elranatamab)." Pfizer U.S. Pharmaceuticals Group

Drug and food interactions

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

Therapeutic duplication warnings

No duplication 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.

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

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