Pacira's Exparel: US FDA Panel Narrowly Rejects Nerve Block Claim
Inconsistent efficacy data and safety concerns about falls and systemic toxicity lead to advisory committee vote against a labeling expansion for the local anesthetic; Pacira's proposed revisions to the drug's existing infiltration claim also meet some resistance.
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Inclusion of failed studies in US label for Pacira’s Exparel label is unusual but appropriate given regulatory history with that application. Could FDA take that approach with other products to address unapproved uses in the context of uncertainty about prohibitions against 'off-label' promotion?