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Drug Interactions between ixabepilone and Serzone

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

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Interactions between your drugs

Moderate

nefazodone ixabepilone

Applies to: Serzone (nefazodone) and ixabepilone

GENERALLY AVOID: Coadministration with potent inhibitors of CYP450 3A4 may significantly increase the plasma concentrations of ixabepilone, which is primarily metabolized by the isoenzyme. According to the product labeling, administration of ixabepilone in combination with the CYP450 3A4 inhibitor ketoconazole resulted in a 79% increase in ixabepilone systemic exposure (AUC) compared to treatment without ketoconazole.

MANAGEMENT: Concomitant use of ixabepilone with potent CYP450 3A4 inhibitors should generally be avoided. If coadministration is necessary, a reduction of the ixabepilone dosage to 20 mg/m2 should be considered. Based on pharmacokinetic studies, this dosage is predicted to adjust the ixabepilone systemic exposure (AUC) to the range observed without inhibitors. However, clinical data are lacking. Following discontinuation of the potent CYP450 3A4 inhibitor, a washout period of approximately one week should be allowed before the ixabepilone dosage is adjusted upward to the indicated dosage.

References (1)
  1. (2007) "Product Information. Ixempra (ixabepilone)." Bristol-Myers Squibb

Drug and food interactions

Moderate

nefazodone food

Applies to: Serzone (nefazodone)

GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of CNS-active agents. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills.

MANAGEMENT: Patients receiving CNS-active agents should be warned of this interaction and advised to avoid or limit consumption of alcohol. Ambulatory patients should be counseled to avoid hazardous activities requiring complete mental alertness and motor coordination until they know how these agents affect them, and to notify their physician if they experience excessive or prolonged CNS effects that interfere with their normal activities.

References (4)
  1. Warrington SJ, Ankier SI, Turner P (1986) "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology, 15, p. 31-7
  2. Gilman AG, eds., Nies AS, Rall TW, Taylor P (1990) "Goodman and Gilman's the Pharmacological Basis of Therapeutics." New York, NY: Pergamon Press Inc.
  3. (2012) "Product Information. Fycompa (perampanel)." Eisai Inc
  4. (2015) "Product Information. Rexulti (brexpiprazole)." Otsuka American Pharmaceuticals Inc
Moderate

ixabepilone food

Applies to: ixabepilone

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of ixabepilone. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits.

MANAGEMENT: Patients treated with ixabepilone should avoid the consumption of grapefruit or grapefruit juice.

References (1)
  1. (2007) "Product Information. Ixempra (ixabepilone)." Bristol-Myers Squibb

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.

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