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Drug Interactions between Lamprene and midostaurin

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

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Interactions between your drugs

Moderate

clofazimine midostaurin

Applies to: Lamprene (clofazimine) and midostaurin

Consumer information for this interaction is not currently available.

MONITOR: Coadministration with inhibitors of CYP450 3A4 may increase the plasma concentrations of midostaurin and its active metabolites, which are all substrates of the isoenzyme. The increase in midostaurin concentrations may be particularly pronounced when CYP450 3A4 inhibitors are administered during the first week of midostaurin administration. When a single 50 mg dose of midostaurin was administered to healthy volunteers on day 6 of treatment with the potent CYP450 3A4 inhibitor ketoconazole (400 mg daily for 10 days), midostaurin systemic exposure (AUC) increased by 10.4-fold compared to administration with placebo. The AUC of the two active metabolites, CGP62221 and CGP52421, increased by 3.5- and 1.2-fold, respectively. When multiple doses of midostaurin (100 mg twice daily on days 1 and 2; 50 mg twice daily on days 3 to 28) were coadministered with itraconazole (100 mg twice daily on days 22 to 28 for 13 doses), the plasma concentrations on day 28 (Cmin) of midostaurin, CGP62221 and CGP52421 increased by 2.1-, 1.2- and 1.3-fold, respectively, compared to the corresponding day 21 Cmin concentrations with midostaurin alone. It is not known to what extent midostaurin may interact with weak and moderate CYP450 3A4 inhibitors.

MANAGEMENT: Caution is advised when midostaurin is used with CYP450 3A4 inhibitors. Patients should be closely monitored for increased adverse reactions (e.g., nausea, vomiting, diarrhea, edema, hyperglycemia, hyperuricemia, QT prolongation, neutropenia, lymphopenia, thrombocytopenia, anemia), especially during the first week of consecutive midostaurin administration in patients with advanced systemic mastocytosis and during the first week of midostaurin administration in each cycle of chemotherapy in patients with acute myeloid leukemia.

References

  1. Dutreix C, Munarini F, Lorenzo S, Roesel J, Wang Y (2013) "Investigation into CYP3A4-mediated drug-drug interactions on midostaurin in healthy volunteers." Cancer Chemother Pharmacol, 72, p. 1223-34
  2. (2017) "Product Information. Rydapt (midostaurin)." Novartis Pharmaceuticals

Drug and food interactions

Major

midostaurin food

Applies to: 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.

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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.