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Drug Interactions between Daliresp and mycophenolic acid

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

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Interactions between your drugs

Moderate

mycophenolic acid roflumilast

Applies to: mycophenolic acid and Daliresp (roflumilast)

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."
  2. (2011) "Product Information. Daxas (roflumilast)." Nycomed Inc

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Drug and food interactions

Moderate

mycophenolic acid food

Applies to: mycophenolic acid

ADJUST DOSING INTERVAL: Administration of enteric coated mycophenolic acid with meals may alter its pharmacokinetics relative to administration in the fasting state. When mycophenolic acid 720 mg was administered with a high-fat meal, there was a 33% decrease in the peak plasma concentration (Cmax); a 3.5-hour increase in delay time for the rise of plasma mycophenolic acid; and a 5-hour delay in the time to reach peak plasma concentration (Tmax). However, no effect was observed on the systemic exposure of mycophenolic acid.

MANAGEMENT: To avoid variability in drug absorption between doses, enteric coated formulations of mycophenolic acid should be taken on an empty stomach, one hour before or two hours after food intake. The tablets should be swallowed whole and not crushed, chewed or divided in order to maintain the integrity of the enteric coating.

References

  1. (2004) "Product Information. Myfortic (mycophenolic acid)." Novartis Pharmaceuticals

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Minor

roflumilast food

Applies to: Daliresp (roflumilast)

Food intake does not affect the total exposure to roflumilast and its pharmacologically active N-oxide metabolite, but delays the time to maximum concentration (Tmax) of roflumilast by one hour and reduces its peak plasma concentration (Cmax) by approximately 40%. The Tmax and Cmax of
roflumilast N-oxide are unaffected. Roflumilast may be taken with or without food.

References

  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2011) "Product Information. Daxas (roflumilast)." Nycomed Inc
  3. (2011) "Product Information. Daliresp (roflumilast)." Astra-Zeneca 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.