Pacira Wants Bupivacaine/Meloxicam Studies

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Pacira Pharmaceuticals is petitioning FDA not to approve any ANDA for a fixed-dose combination of bupivacaine and meloxicam unless the application “includes sufficient evidence from adequate and well-controlled studies, including those that use a factorial design, demonstrating the safety and effectiveness of the combination product. In particular, FDA should ensure that any NDA for a bupivacaine/meloxicam combination adequately addresses the significant safety concerns raised by such a combination.”

Pacira, which manufactures and distributes Exparel (bupivacaine liposome injectable suspension) to produce postsurgical local and regional anesthesia, says it is aware that Heron Therapeutics is developing a fixed-dose combination product candidate consisting of two active ingredients: bupivacaine and meloxicam for preventing post-operative pain. The petition says that based on publicly available data, it appears that Heron has conducted a Phase 3 trial comparing its combination drug only against immediate release bupivacaine and saline placebo, and not against meloxicam.

The company says it is aware of two Heron studies that may permit factorial analysis under FDA’s combination rule, but there is not enough information publicly to tell if they were conducted in a manner consistent with FDA requirements.

“Because Heron’s public statements indicate that their Phase 3 pivotal program did not include trials with a meloxicam comparator, it is unclear whether Heron has satisfied the combination rule and provided sufficient information to enable FDA to assess the safety and effectiveness of the proposed combination,” the petition says.

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