Voltaren Gel (diclofenac sodium topical gel) 1% - Hepatic Effects Labeling Changes

December 4, 2009

Audience: Rheumatological healthcare professionals, pharmacists

Endo, Novartis and FDA notified healthcare professionals of revisions to the Hepatic Effects section of the prescribing information to add new warnings and precautions about the potential for elevation in liver function tests during treatment with all products containing diclofenac sodium. 

In postmarketing reports, cases of drug-induced hepatotoxicity have been reported in the first month but can occur at any time during treatment with diclofenac. Postmarketing surveillance has reported cases of severe hepatic reactions, including liver necrosis, jaundice, fulminant hepatitis with and without jaundice, and liver failure. Some of  these reported cases resulted in fatalities or liver transplantation. 

Physicians should measure transaminases periodically in patients receiving long-term therapy with diclofenac. The optimum times for making the first and subsequent transaminase measurement are not known. Based on clinical trial data and postmarketing experiences, transaminases should be monitored within 4 to 8 weeks after initiating treatment with diclofenac.

[12/04/2009 - Dear Healthcare Professional Letter - Endo, Novartis]
[Sept 2009 - Prescribing Information - Endo]

    

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