Drug Interaction Report
3 potential interactions and/or warnings found for the following 2 drugs:
- Rydapt (midostaurin)
- tovorafenib
Interactions between your drugs
midostaurin tovorafenib
Applies to: Rydapt (midostaurin), tovorafenib
Consumer information for this interaction is not currently available.
MONITOR: Coadministration with inducers of CYP450 3A4 may decrease the plasma concentrations of midostaurin and its active metabolites, which are all substrates of the isoenzyme. When a single 50 mg dose of midostaurin was administered to healthy volunteers on day 9 of treatment with the potent CYP450 3A4 inducer rifampin (600 mg daily for 14 days), midostaurin systemic exposure (AUC) decreased by 96% compared to administration with placebo. The AUC of the two active metabolites, CGP62221 and CGP52421, decreased by 92% and 59%, respectively. It is not known to what extent midostaurin may interact with weak and moderate CYP450 3A4 inducers.
MANAGEMENT: The potential for diminished pharmacologic effects of midostaurin should be considered during coadministration with CYP450 3A4 inducers. Alternative treatments may be required if an interaction is suspected.
Drug and food interactions
midostaurin food
Applies to: Rydapt (midostaurin)
Midostaurin should be taken with food to help with its absorption. Do not consume grapefruit or grapefruit juice during treatment, as it can significantly increase the blood levels of midostaurin. You may be more likely to experience side effects such as nausea; vomiting; diarrhea; swelling; high blood sugar; heart rhythm abnormalities; and impaired bone marrow function resulting in low numbers of different types of blood cells, which can increase the risk of anemia, bleeding problems, and infections. You should seek medical attention if you develop paleness, fatigue, dizziness, fainting, unusual bruising or bleeding, fever, chills, diarrhea, sore throat, muscle aches, shortness of breath, blood in phlegm, weight loss, red or inflamed skin, body sores, or pain and burning during urination. Talk to your healthcare provider if you have any questions or concerns.
Therapeutic duplication warnings
Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.
Multikinase inhibitors
Therapeutic duplication
The recommended maximum number of medicines in the 'multikinase inhibitors' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'multikinase inhibitors' category:
- Rydapt (midostaurin)
- tovorafenib
Note: In certain circumstances, the benefits of taking this combination of drugs may outweigh any risks. Always consult your healthcare provider before making changes to your medications or dosage.
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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