Pacira's Exparel Faces Efficacy Questions On Nerve Block Indication
US FDA advisory committee to weigh whether efficacy data support an expanded label for the local anesthetic; despite Pacira's completion of two new studies following a complete response letter, FDA continues to harbor concerns about adequacy of the data to support a broad nerve block claim.
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At meeting on Pacira's Exparel, advisory committee members warn against rushing to adopt products purported to reduce opioid consumption absent long-term longitudinal data showing beneficial public health impacts and clinical data linking reduced opioid use to functional outcomes or other clinical benefit.
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.