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Drug Interactions between diroximel fumarate and Humira

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

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Interactions between your drugs

Major

adalimumab diroximel fumarate

Applies to: Humira (adalimumab) and diroximel fumarate

MONITOR CLOSELY: The use of tumor necrosis factor (TNF) blockers with other immunosuppressive or myelosuppressive agents may increase the risk of infections. Serious infections and sepsis, including fatalities, have been reported with the use of TNF blockers, particularly in patients on concomitant immunosuppressive therapy. Agents that may be significantly myelo- or immunosuppressive include antineoplastic agents, radiation, zidovudine, linezolid, some antirheumatic agents, high dosages of corticosteroids or adrenocorticotropic agents (greater than 10 mg/day to 1 mg/kg/day, whichever is less, of prednisone or equivalent for more than 2 weeks), and long-term topical or inhaled corticosteroids. Concomitant use of TNF blockers with other immunosuppressants such as azathioprine or mercaptopurine may also increase the risk of a rare and often fatal cancer of white blood cells known as hepatosplenic T-Cell lymphoma (HSTCL), which has primarily been reported in adolescent and young adult males receiving treatment for Crohn's disease or ulcerative colitis. Cases of HSTCL have also occurred during use of these agents alone. Because individuals with rheumatoid arthritis, Crohn's disease, ankylosing spondylitis, psoriatic arthritis, or plaque psoriasis may be more likely to develop lymphoma than the general population, it is difficult to assess the added risk of TNF blockers, azathioprine, and/or mercaptopurine.

MANAGEMENT: Patients receiving a TNF blocker alone or with other immunosuppressive or myelosuppressive agents should be monitored closely for the development of infections. TNF blocker therapy should be discontinued if a serious infection or sepsis occurs. Close monitoring for signs and symptoms of HSTCL (e.g., splenomegaly, hepatomegaly, abdominal pain, persistent fever, night sweats, weight loss) is also recommended during use of TNF blockers, particularly in combination with other immunosuppressants such as azathioprine and mercaptopurine.

References

  1. (2001) "Product Information. Remicade (infliximab)." Centocor Inc
  2. (2001) "Product Information. Enbrel (etanercept)." Wyeth-Ayerst Laboratories
  3. (2003) "Product Information. Humira (adalimumab)." Abbott Pharmaceutical
  4. (2008) "Product Information. Cimzia (certolizumab)." UCB Pharma Inc
  5. (2009) "Product Information. Simponi (golimumab)." Centocor Inc
  6. FDA. U.S. Food and Drug Administration (2012) FDA Drug Safety Communication: Drug labels for the Tumor Necrosis Factor-alpha (TNFa) blockers now include warnings about infection with Legionella and Listeria bacteria. http://www.fda.gov/Drugs/DrugSafety/ucm270849.htm
View all 6 references

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Drug and food interactions

Moderate

diroximel fumarate food

Applies to: diroximel fumarate

GENERALLY AVOID: Food does not significantly affect the oral bioavailability of diroximel fumarate. Administration of diroximel fumarate with a high-fat, high-calorie (900 to 1000 calories; 50% from fat) meal did not affect the systemic exposure (AUC) of its active metabolite, monomethyl fumarate (MMF), but decreased its peak plasma concentration (Cmax) by 44% and prolonged the time to reach peak concentration (Tmax) from 2.5 to 7.0 hours relative to administration in the fasted state. In comparison, administration of diroximel fumarate with low-fat, low-calorie (350 to 400 calories; 10 to 15 g fat) and medium-fat, medium-calorie (650 to 700 calories; 25 to 30 g fat) meals decreased the MMF Cmax by approximately 12% and 25%, respectively, while also leaving the AUC unaffected.

GENERALLY AVOID: Coadministration of diroximel fumarate with ethanol may reduce the plasma concentrations of monomethyl fumarate (MMF). The mechanism has not been reported. Following coadministration with 240 mL of 5% v/v and 40% v/v ethanol, the mean Cmax of MMF was reduced by 9% and 21%, respectively, relative to coadministration with water. The AUC of MMF was not significantly altered, indicating that ethanol did not induce dose dumping.

MANAGEMENT: Diroximel fumarate may be taken with or without food; however, high-fat, high-calorie meals or snacks should be avoided. The manufacturer recommends meals or snacks containing no more than 700 calories and no more than 30 grams of fat. Taking diroximel fumarate with food may improve tolerability for patients experiencing flushing or gastrointestinal adverse reactions. The manufacturer also recommends avoiding concomitant use of diroximel fumarate with ethanol.

References

  1. (2022) "Product Information. Vumerity (diroximel fumarate)." Biogen Australia Pty Ltd
  2. (2022) "Product Information. Vumerity (diroximel fumarate)." Biogen Idec Ltd
  3. (2023) "Product Information. Vumerity (diroximel fumarate)." Biogen Idec Inc, SUPPL-9

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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.

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.

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