FDA Complete Response Letter for Heron Pain Drug
FDA has issued a complete response letter to Heron Therapeutics for its NDA for HTX-011 to manage postoperative pain. The agency told the company it could not approve the NDA in its present form based on the need for additional CMC and non-clinical information. FDA did not identify any clinical safety or efficacy issues, the company says, and there is no requirement for further clinical studies or data analyses. Company officials said they would request a meeting with agency staff to obtain agreement on an approach to resolve the issues in the letter and resubmit the NDA as soon as possible.
HTX-011is described as an investigational, long-acting, extended-release formulation of the local anesthetic bupivacaine in a fixed-dose combination with the anti-inflammatory meloxicam for the management of postoperative pain. By delivering sustained levels of both a potent anesthetic and a local anti-inflammatory agent directly to the site of tissue injury through Heron's proprietary Biochronomer drug delivery technology, HTX-011 was designed to deliver superior pain relief while reducing the need for systemically administered pain medications such as opioids, which carry the risk of harmful side effects, abuse, and addiction.
Heron says HTX-011 has been shown to reduce pain significantly better than placebo or bupivacaine solution in five diverse surgical models: hernia repair, abdominoplasty, bunionectomy, total knee arthroplasty, and breast augmentation. It was granted a fast track designation from FDA in the fourth quarter of 2017 and breakthrough therapy designation in the second quarter of 2018. The NDA was submitted 10/2018.