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Drug Interactions between cyclophosphamide and modafinil

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

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Interactions between your drugs

Minor

cycloPHOSphamide modafinil

Applies to: cyclophosphamide and modafinil

The concomitant use of modafinil may theoretically alter the metabolic activation and inactivation of ifosfamide and cyclophosphamide. Modafinil is a modest CYP450 2B6 and 3A4 inducer in vitro. Ifosfamide and cyclophosphamide are substrates of these isoenzymes. If these drugs are to be used together, close monitoring of the patient for altered efficacy and safety is recommended.

References (2)
  1. (2001) "Product Information. Provigil (modafinil)." Cephalon, Inc
  2. Robertson P, Decory HH, Madan A, Parkinson A (2000) "In vitro inhibition and induction of human hepatic cytochrome P450 enzymes by modafinil." Drug Metab Dispos, 28, p. 664-71

Drug and food interactions

Minor

modafinil food

Applies to: modafinil

Administration with food may delay the absorption of modafinil (the racemate) and armodafinil (the R-enantiomer) without significantly affecting their overall bioavailability. According to the product labeling, modafinil's absorption may be delayed by approximately one hour if taken with food. Similarly, the time to reach peak plasma concentration (Tmax) of armodafinil may be delayed by approximately 2 to 4 hours in the fed state.

References (2)
  1. (2001) "Product Information. Provigil (modafinil)." Cephalon, Inc
  2. (2007) "Product Information. Nuvigil (armodafinil)." Cephalon Inc

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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