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Drug Interactions between Daliresp and etrasimod

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

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Interactions between your drugs

Moderate

roflumilast etrasimod

Applies to: Daliresp (roflumilast) and etrasimod

Consumer information for this interaction is not currently available.

GENERALLY AVOID: The concomitant use of roflumilast with immunosuppressive agents has not been adequately studied. Roflumilast is a selective phosphodiesterase 4 (PDE4) inhibitor and a nonsteroidal anti-inflammatory agent. In experimental models and in vitro studies, roflumilast has exhibited immunomodulatory effects. Specifically, roflumilast and its active metabolite, roflumilast N-oxide, suppress the release of inflammatory mediators including leukotriene B4, reactive oxygen species, tumor necrosis factor alpha, interferon gamma, and granzyme B. Roflumilast also reduces sputum neutrophils and attenuates influx of neutrophils and eosinophils into the airways.

MANAGEMENT: According to the product labeling for roflumilast in some countries such as Canada and the U.K., concomitant use with immunosuppressive agents such as methotrexate, azathioprine, infliximab, etanercept, and systemic corticosteroids (except when used short-term, e.g., in the treatment of COPD exacerbations) should be avoided if possible. Due to a lack of clinical experience, treatment with roflumilast should not be initiated, or existing treatment should be stopped, in patients receiving immunosuppressive agents and in patients with severe acute infectious diseases, cancers (except basal cell carcinoma), or severe immunological diseases (e.g., HIV infection, multiple sclerosis, lupus erythematosus, progressive multifocal leukoencephalopathy).

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
  2. "Product Information. Daxas (roflumilast)." Nycomed Inc (2011):

Drug and food interactions

Moderate

etrasimod food

Applies to: etrasimod

Consumer information for this interaction is not currently available.

GENERALLY AVOID: Coadministration with moderate inhibitors of CYP450 3A4 such as grapefruit juice may increase the plasma concentrations of etrasimod in patients that are poor CYP450 2C9 metabolizers (e.g., *2/*3, *3/*3). Etrasimod is primarily metabolized by the CYP450 3A4, CYP450 2C8, and CYP450 2C9 isoenzymes. Pharmacokinetic studies reported that no single enzyme appears to dominate etrasimod elimination and that the involvement of multiple CYP450 isoforms reduces the likelihood of drug-drug interactions when only a single CYP450 isoform is strongly or moderately inhibited by a coadministered drug. In clinical drug interaction studies, when etrasimod was administered with the dual moderate CYP450 2C9 and 3A4 inhibitor fluconazole at steady-state levels, etrasimod systemic exposure (AUC) increased by 84%. However, concomitant use with the potent CYP450 3A4 inhibitor itraconazole increased the AUC of etrasimod by 32%, which was not considered by the manufacturer to be clinically significant. The effect on etrasimod systemic exposure in CYP450 2C9 intermediate metabolizers (e.g., *1/*2, *1/*3, *2/*2) treated with less potent CYP450 3A4 inhibitors is not known. Increased plasma concentrations of etrasimod may increase the risk of infection, bradyarrhythmia, AV conduction delays, elevated transaminase levels, and macular edema.

MANAGEMENT: Until further information is available, the consumption of grapefruit and grapefruit juice in combination with moderate to potent CYP450 2C8 inhibitors such as gemfibrozil should be avoided or limited during treatment with etrasimod in patients who are poor CYP450 2C9 metabolizers. Caution is recommended with grapefruit products consumption in patients who are intermediate CYP450 2C9 metabolizers. Patients should be advised to notify their physician if they experience potential adverse effects of etrasimod.

References

  1. "Product Information. Velsipity (etrasimod)." Pfizer U.S. Pharmaceuticals Group (2023):
  2. Lee C, Taylor C, Tang Y, Caballero LV, shan k, Randle A, Grundy JS "Effects of fluconazole, gemfibrozil, and rifampin on the pharmacokinetics, safety, and tolerability of etrasimod https://gut.bmj.com/content/71/Suppl_1/A142.1" (2022):
Minor

roflumilast food

Applies to: Daliresp (roflumilast)

Information for this minor interaction is available on the professional version.

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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