Biosimilars Likely to See No Federal Preemption Protection: Attorney

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Biosimilar products are unlikely to have federal preemption protection from state product liability claims like generic drugs under PLIVA v. Mensing, according to an analysis by Reed Smith attorney James Beck. Traditional generic preemption “depends on the impossibility of making an immediate change to a product (including its labeling) as required by state law, where the same change necessitates prior approval by the FDA under federal law,” he says.



A recent FDA guidance on biosimilar labeling of biosimilar products says that when new information becomes available that causes information in labeling to be inaccurate, the application holder must take steps to change the content of its product labeling, in accordance with 21 CFR 601.12, Beck says. He notes that there doesn’t appear to be anything in the biosimilar statute like 21 U.S.C. §355(j)(2)(A)(v), which requires generics to have labeling “the same as the labeling approved for the listed drug.”



Beck concludes that to the “extent of the information encompassed by 21 C.F.R. §601.12(f)(2)(i), it appears that biosimilar manufacturers will be stuck with the same kind of product liability litigation as are their listed counterparts.”

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