Drug Interaction Report
1 potential interaction and/or warning found for the following 2 drugs:
- belzutifan
- Zydelig (idelalisib)
Interactions between your drugs
idelalisib belzutifan
Applies to: Zydelig (idelalisib), belzutifan
MONITOR: Coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of idelalisib, which is a substrate of the isoenzyme. In healthy volunteers, administration of a single 150 mg dose of idelalisib with the potent CYP450 3A4 inducer rifampin (600 mg daily for 8 days) decreased mean idelalisib peak plasma concentration (Cmax) by 58% and systemic exposure (AUC) by 75%. Data are not available for idelalisib in combination with other, less potent CYP450 3A4 inducers.
MANAGEMENT: Patients receiving idelalisib with CYP450 3A4 inducers should be monitored for potentially diminished pharmacologic response to idelalisib. Concomitant use should be avoided if an interaction is suspected.
References (1)
- (2014) "Product Information. Zydelig (idelalisib)." Gilead Sciences
Drug and food interactions
No alcohol/food interactions were found with the drugs in your list. However, this does not necessarily mean no food interactions exist. Always consult your healthcare provider.
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.
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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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