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Drug Interactions between deferasirox and monomethyl fumarate

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

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Interactions between your drugs

Moderate

deferasirox monomethyl fumarate

Applies to: deferasirox and monomethyl fumarate

MONITOR: The use of fumaric acid esters in combination with medications that can cause nephrotoxicity (e.g., aminoglycosides, diuretics, nonsteroidal anti-inflammatory drugs, cyclosporine, lithium, methotrexate) may increase the potential for adverse renal reactions. In clinical trials in patients with multiple sclerosis treated with dimethyl fumarate, a fumaric acid ester that is converted to the active metabolite monomethyl fumarate, adverse events of proteinuria were reported at slightly higher frequencies than in patients receiving placebo. The clinical significance of these observations is unknown. Cases of Fanconi syndrome have been reported for a medicinal product containing dimethyl fumarate in combination with other fumaric acid esters. Renal toxicity, including tubular changes and/or interstitial fibrosis, has been observed in animal studies with dimethyl fumarate and diroximel fumarate.

MANAGEMENT: The use of fumaric acid esters in patients who receive concomitant treatment with potentially nephrotoxic agents, particularly for longer durations, has not been evaluated and should be approached with caution. Assessment of renal function (e.g., serum creatinine, blood urea nitrogen, urinalysis) is recommended prior to initiating treatment with fumaric acid esters and as clinically indicated during treatment.

References

  1. (2022) "Product Information. Vumerity (diroximel fumarate)." Biogen Australia Pty Ltd
  2. (2023) "Product Information. Tecfidera (dimethyl fumarate)." Biogen Idec Inc, SUPPL-29
  3. (2022) "Product Information. Tecfidera (dimethyl fumarate)." Biogen Idec Ltd
  4. (2022) "Product Information. Skilarence (dimethyl fumarate)." Almirall Ltd
  5. (2022) "Product Information. Vumerity (diroximel fumarate)." Biogen Idec Ltd
  6. (2023) "Product Information. Vumerity (diroximel fumarate)." Biogen Idec Inc, SUPPL-9
  7. (2022) "Product Information. Furatec (dimethyl fumarate)." Pharmacor Pty Ltd, 03
View all 7 references

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Drug and food interactions

Moderate

deferasirox food

Applies to: deferasirox

ADJUST DOSING INTERVAL: According to product labeling, the bioavailability of deferasirox was variably increased when taken with a meal.

MANAGEMENT: To ensure consistent plasma drug levels, deferasirox should be taken on an empty stomach 30 minutes before eating preferably at the same time everyday.

References

  1. (2005) "Product Information. Exjade (deferasirox)." Novartis Pharmaceuticals

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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.