Drug Interaction Report
2 potential interactions and/or warnings found for the following 2 drugs:
- everolimus
- tovorafenib
Interactions between your drugs
everolimus tovorafenib
Applies to: everolimus, tovorafenib
Consumer information for this interaction is not currently available.
MONITOR: Coadministration with inducers of CYP450 3A4 and/or P-glycoprotein (P-gp) may decrease the blood concentrations and pharmacologic effects of everolimus. In a study of healthy volunteers, multiple doses of the potent inducer rifampin increased the oral clearance of everolimus by threefold, representing mean decreases in peak blood concentration (Cmax) and systemic exposure (AUC) of 58% and 63%, respectively. The extent to which other inducers of CYP450 3A4 interact with everolimus is unknown.
MANAGEMENT: Some manufacturers recommend avoiding concomitant use of everolimus with moderate CYP450 3A4 and/or P-gp inducers such as bosentan, efavirenz, and nevirapine. If concomitant use is required, a dose adjustment of everolimus should be considered to achieve the recommended therapeutic range for the condition being treated. Please refer to the manufacturer's labeling for specific dosing information. Everolimus whole blood trough levels should be closely monitored during treatment, particularly 2 weeks after a dose increase and 2 weeks after discontinuation of the inducer.
Drug and food interactions
everolimus food
Applies to: everolimus
Grapefruit juice can increase the blood levels and effects of everolimus. You should not drink grapefruit juice or eat grapefruits during your treatment with everolimus. Orange juice is not expected to interact.
Therapeutic duplication warnings
No duplication 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.
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| 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. | |
| No interaction information available. |
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Further information
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