Bunionectomy Study for Postoperative Analgesia (EPOCH 1)

This is a Phase 3, randomized, double-blind, saline placebo- and active-controlled, multicenter study to evaluate the analgesic efficacy and safety of HTX 011 administered via local administration into the surgical site in subjects undergoing bunionectomy.


Eligibility Criteria:
Inclusion Criteria:

* Is scheduled to undergo a primary unilateral, distal, first metatarsal bunionectomy with osteotomy and internal fixation under regional anesthesia.
* Has an American Society of Anesthesiologists Physical Status of I, II, or III.
* Female subjects are eligible only if not pregnant, not lactating, not planning to become pregnant during the study, sterile; or using acceptable contraceptives.

Exclusion Criteria:

* Has had a contralateral foot bunionectomy in the past 3 months.
* Has a planned concurrent surgical procedure (eg, bilateral bunionectomy or collateral procedures on the surgical foot).
* Has other pre existing concurrent acute or chronic painful physical/restrictive condition expected to require analgesic treatment in the postoperative period for pain.
* Has a contraindication or a known or suspected history of hypersensitivity or clinically significant idiosyncratic reaction to required study medications.
* Has known or suspected daily use of opioids for 7 or more consecutive days within the previous 6 months.
* Has taken any NSAIDs within at least 10 days prior to the scheduled surgery.
* Has taken opioids within 24 hours prior to the scheduled surgery (3 days for long-acting).
* Has been administered bupivacaine within 5 days prior to the scheduled surgery.
* Has initiated treatment with medications within 1 month prior to study drug administration that can impact pain control.
* Has been administered systemic steroids within 5 half-lives or 10 days prior to administration of study drug.
* Has a medical condition such that, in the opinion of the Investigator, participating in the study would pose a health risk to the subject or confound the postoperative assessments.
* As per subject history and/or medical records, has active infection or is currently undergoing treatment for Hepatitis B, Hepatitis C, or human immunodeficiency virus (HIV).
* Has uncontrolled anxiety, psychiatric, or neurological disorder.
* Had a malignancy in the last year, with the exception of nonmetastatic basal cell or squamous cell carcinoma of the skin or localized carcinoma in situ of the cervix.
* Has a known or suspected history of drug abuse, a positive drug screen on the day of surgery, or a recent history of alcohol abuse. Note: Subjects with a positive drug screen who are taking an allowed, prescribed medication that is known to result in a positive drug test (eg, amphetamine and dextroamphetamine for attention deficit/hyperactivity disorder, benzodiazepine for anxiety disorder) may be eligible for participation in the study. Subjects taking medical marijuana are not allowed to participate in the study.
* Received an investigational product or device in a clinical trial within 30 days or within 5 elimination half lives.
* Has undergone 3 or more surgeries within 12 months.
* Has a body mass index (BMI) \>39 kg/m2.