Nevirapine Extended-Release Tablets and Tavalisse
Determining the interaction of Nevirapine Extended-Release Tablets and Tavalisse and the possibility of their joint administration.
In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.
Consumer:Nevirapine may reduce the blood levels of fostamatinib, which may make the medication less effective in some cases. Contact your doctor if your symptoms worsen or your condition changes. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Professional:MONITOR: Coadministration of fostamatinib with inducers of CYP450 3A4 may decrease exposure to the active metabolite known as R406, the predominant moiety in the systemic circulation following fostamatinib administration. Fostamatinib is metabolized in the gut by alkaline phosphatase to R406, which then undergoes oxidation via CYP450 3A4 and glucuronidation via UGT1A9. When a single 150 mg dose of fostamatinib was administered with the potent CYP450 3A4 and UGT1A1 inducer rifampin (600 mg once daily for 8 days), R406 peak plasma concentration (Cmax) and systemic exposure (AUC) decreased on average by 59% and 75%, respectively, compared to fostamatinib administered alone. Reduced efficacy of fostamatinib may occur. The interaction has not been studied with other, less potent inducers.
MANAGEMENT: The potential for diminished pharmacologic effects of fostamatinib should be considered during coadministration with CYP450 3A4 inducers. Alternative treatments may be required if an interaction is suspected.
- "Product Information. Tavalisse (fostamatinib)." Rigel Pharmaceuticals, South San Francisco, CA.
Generic Name: nevirapine
Brand name: Viramune, Viramune XR
Synonyms: Nevirapine
In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.
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