An Efficacy and Safety Study of LTG-001 Following Abdominoplasty

Inclusion Criteria: * Subject is male or female aged 18 to 65 years * Scheduled to undergo an elective "partial" abdominoplasty under general anesthesia * Has a body BMI 18.0 to 35 kg/m2 * Has signed informed consent and will comply with the requirements and restrictions of the study * Meet lifestyle, medication, or other study restrictions * Subject must agree to study required use of birth control * Post-surgical (abdominoplasty) pain must meet the study threshold Exclusion Criteria: * Inability to take oral medications * Prior abdominoplasty or a prior intra-abdominal and/or pelvic surgery (including hysterectomy and Cesarean section) that resulted in any complications * History of impaired hepatic function or heart disease. * Abnormal liver laboratories or other lab abnormality indicative of serious medical condition * Sensory abnormality that would confound post-surgery pain assessments * Chronic use of NSAIDs, benzodiazepines, opioid use within the last year, use of medications that prolong QTc intervals, or other dietary and medication restrictions * A subject with sleep apnea and/or on a home continuous positive airway pressure machine. * Positive drug screen.