The US FDA's unusual approach to a labeling expansion for Pacira Pharmaceuticals Inc.'s local anesthetic Exparel suggests a balancing of the agency's desire to increase availability of non-opioid analgesics while guarding against promotion and use for a broader-than-supported indication.
On April 6, FDA approved the use of Exparel (bupivacaine liposome injectable suspension) as an interscalene brachial plexus nerve block
The indication is narrower than the general nerve block claim sought by Pacira