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Drug Interactions between pazopanib and Sivextro

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

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Interactions between your drugs

Moderate

PAZOPanib tedizolid

Applies to: pazopanib and Sivextro (tedizolid)

GENERALLY AVOID: Coadministration with oral tedizolid may increase the plasma concentrations and the risk of adverse effects of orally administered drugs that are substrates of the breast cancer resistance protein (BCRP) transporter. The proposed mechanism is decreased clearance due to inhibition of BCRP-mediated intestinal efflux by tedizolid. Administration of a single 10 mg dose of rosuvastatin, a known BCRP substrate, to healthy subjects who had received multiple daily doses of tedizolid 200 mg increased rosuvastatin peak plasma concentration (Cmax) and systemic exposure (AUC) by 55% and 70%, respectively.

MANAGEMENT: Consider temporarily interrupting treatment with the BCRP substrate during treatment with tedizolid, especially for BCRP substrates with a narrow therapeutic index. If coadministration cannot be avoided, monitor for adverse reactions related to concomitantly administered BCRP substrate. The prescribing information for concomitant medications should be consulted to assess the benefits versus risks of coadministration and for any dosage adjustments that may be required.

References (2)
  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2014) "Product Information. Sivextro (tedizolid)." Cubist Pharmaceuticals Inc

Drug and food interactions

Major

PAZOPanib food

Applies to: pazopanib

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of pazopanib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruits. Although not studied, the interaction may increase the risk of QT interval prolongation and torsade de pointes arrhythmia as well as severe and fatal hepatotoxicity associated with the use of pazopanib.

ADJUST DOSING INTERVAL: Food increases the oral bioavailability of pazopanib. The mechanism of interaction is unknown. Administration of pazopanib with a high-fat or low-fat meal results in an approximately 2-fold increase in peak plasma concentration (Cmax) and systemic exposure (AUC).

MANAGEMENT: Patients treated with pazopanib should avoid consumption of grapefruit, grapefruit juice, and any supplement containing grapefruit extract. Pazopanib should be administered at least one hour before or two hours after a meal.

References (1)
  1. (2009) "Product Information. Votrient (pazopanib)." GlaxoSmithKline

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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