According to the December 4 issue of FDA Week, the 8th US Circuit Court of Appeals ruled in late November that a brand name manufacturer does not owe a "duty of care" to a consumer who does not use their product.
Mensing v. Wyeth was the latest case to challenge the liability of brand-name manufacturers with regard to the use of, and injuries resulting from, generics. The plaintiff sued both the manufacturer of Reglan and the manufacturer of the generic brand (which the plaintiff actually used), claiming that the drug caused her to develop a severe neurological disorder.
The plantiff's physician had relied on the labeling for Reglan when he prescribed the generic brand. Therefore, in the plaintiff's view, it was Wyeth that failed to warn her and her doctor about the side effects she would suffer.
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However, the 8th Circuit Court disagreed. In its ruling, the Court stated that Wyeth cannot be held responsible.
A similar case in Minnesota found that fraudulent misrepresentation is dependant on "a suppression of facts which one party is under a legal or equitable obligation to communicate to the other, and which the other party is entitled to have communicated to him."
In the case of tardive dysknesia, it appears that naming defendants in litigation will depend on whether the tardive dyskinesia was caused by Reglan itself or a generic version of the drug.