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Drug Interactions between brigatinib and ublituximab

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

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Interactions between your drugs

Major

brigatinib ublituximab

Applies to: brigatinib and ublituximab

MONITOR CLOSELY: The use of the CD20-directed cytolytic antibody ublituximab with other immune-modulating or immunosuppressive therapy, including immunosuppressant doses of corticosteroids may increase the risk of infections. Adverse events most commonly reported with ublituximab alone included upper respiratory tract infections and urinary tract infections. However, serious and life-threatening infections, such as hepatitis B virus (HBV) reactivation have been reported in relapsing multiple sclerosis (RMS) controlled clinical trials with ublituximab, as well as fatal infections. In addition, Progressive Multifocal Leukoencephalopathy (PML) due to JC virus infection, fulminant hepatitis, hepatic failure, and death caused by HBV reactivation have been reported in patients treated with other anti-CD20 antibodies; however, these adverse events were not reported in RMS controlled clinical trials with ublituximab.

MANAGEMENT: The increased risk of additive immunosuppression should be considered if coadministering ublituximab with other immunosuppressive therapy. In addition, the prolonged immunosuppressant effects and mode of action of other immunosuppressant drugs such as daclizumab, fingolimod, natalizumab, teriflunomide, or mitoxantrone should be considered prior to starting ublituximab therapy. Patients should be advised to immediately notify their doctor if they develop signs or symptoms of infection, including HBV reactivation, upper or lower respiratory tract infection, urinary tract infections, herpes-related infection, or PML.

References

  1. (2022) "Product Information. Briumvi (ublituximab)." TG Therapeutics, Inc.

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Drug and food interactions

Moderate

brigatinib food

Applies to: brigatinib

GENERALLY AVOID: Grapefruit juice may increase the plasma concentrations of brigatinib. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit. In general, the effect of grapefruit juice is concentration-, dose- and preparation-dependent, and can vary widely among brands. Certain preparations of grapefruit juice (e.g., high dose, double strength) have sometimes demonstrated potent inhibition of CYP450 3A4, while other preparations (e.g., low dose, single strength) have typically demonstrated moderate inhibition. Itraconazole, a potent CYP450 3A4 inhibitor, has been shown to double brigatinib systemic exposure (AUC) in healthy volunteers. Increased exposure to brigatinib may increase the risk of adverse effects such as nausea, vomiting, diarrhea, hypertension, bradycardia, hyperglycemia, visual disturbances, lymphopenia, anemia, and elevations in pancreatic enzymes and creatine phosphokinase.

Food does not significantly affect the oral bioavailability of brigatinib. When brigatinib was administered to healthy volunteers after a high-fat meal (920 calories; 59 g fat, 58 g carbohydrates, 40 g proteins), brigatinib peak plasma concentration (Cmax) decreased by 13% and systemic exposure (AUC) did not change compared to administration after overnight fasting.

MANAGEMENT: Brigatinib may be taken with or without food. Patients should avoid consumption of grapefruit and grapefruit juice during treatment with brigatinib.

References

  1. (2017) "Product Information. Alunbrig (brigatinib)." Ariad Pharmaceuticals Inc

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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.

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