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Drug Interactions between trabectedin and ublituximab

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

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Interactions between your drugs

Major

trabectedin ublituximab

Applies to: trabectedin 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)
  1. (2022) "Product Information. Briumvi (ublituximab)." TG Therapeutics, Inc.

Drug and food interactions

Moderate

trabectedin food

Applies to: trabectedin

GENERALLY AVOID: Coadministration with grapefruit juice may increase the plasma concentrations of trabectedin. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit.

GENERALLY AVOID: Coadministration of trabectedin with other agents known to induce hepatotoxicity such as alcohol may potentiate the risk of liver injury. Reversible, acute increases in alanine aminotransferase (ALT) and aspartate aminotransferase (AST) have occurred frequently in patients treated with trabectedin alone or with pegylated liposomal doxorubicin in clinical trials. In one U.S. trial with 378 patients, grade 3 or 4 elevated liver function tests (defined as elevations in ALT, AST, total bilirubin, or alkaline phosphatase) were reported in 35% of patients receiving trabectedin. ALT or AST elevations greater than eight times the upper limit of normal (ULN) occurred in 18% of patients, and drug-induced liver injury (defined as concurrent elevations in ALT or AST more than three times ULN, alkaline phosphatase less than two times ULN, and total bilirubin at least two times ULN) occurred in 1.3% of patients.

MANAGEMENT: Consumption of grapefruit or grapefruit juice during treatment with trabectedin should be avoided. Excessive use of alcohol is also not recommended. Patients should be advised to seek medical attention if they experience potential signs and symptoms of hepatotoxicity such as fever, rash, itching, anorexia, nausea, vomiting, fatigue, malaise, right upper quadrant pain, dark urine, pale stools, and jaundice. Monitoring of alkaline phosphatase, bilirubin, AST, and ALT should occur regularly during trabectedin treatment in accordance with the product labeling, or as often as necessary when clinical symptoms develop. Trabectedin must not be used in patients with elevated bilirubin at the time of initiation of cycle. Elevated liver function tests should be managed with treatment interruption, dosage reduction, or permanent discontinuation depending on the severity and duration of abnormality.

References (2)
  1. Cerner Multum, Inc. "UK Summary of Product Characteristics."
  2. (2010) "Product Information. Yondelis (trabectedin)." Janssen Pharmaceuticals

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.

See also

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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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