Conditions: Pain
Allocation: NON_RANDOMIZED | Intervention model: PARALLEL
Enrollment: 12
Healthy volunteers: no

Brief summary:
This is a Phase 4, multicenter, open-label study evaluating EXPAREL infiltration into the transversus abdominis plane (TAP) after bupivacaine hydrochloride (HCl) spinal anesthesia in subjects undergoing elective Cesarean section (C-section).

Detailed description:
There will be two groups of subjects with approximately 40 subjects per group. Prior to the C-section, all subjects will receive single-shot spinal anesthesia (1.5 mL bupivacaine HCl 0.75% with dextrose 8.25%). Subjects in Group 1 (Standard of Care) will receive intrathecal morphine injection (e.g., Duramorph®) 0.2 mg in conjunction with the single-shot spinal anesthesia. No TAP block will be administered. Subjects in Group 2 (EXPAREL/TAP) will receive a bilateral TAP infiltration with a single 20 mL dose of EXPAREL 266 mg expanded in volume with 20 mL of normal saline for a total volume of 40 mL (20 mL infiltrated on each side of the abdomen).

Arms:
arm 1: Subjects in Group 1 (Standard of Care) will receive intrathecal morphine injection (e.g., Duramorph®) 0.2 mg in conjunction with the single-shot spinal anesthesia. No TAP block will be administered. arm 2: Subjects in Group 2 will receive a bilateral TAP infiltration with a single 20 mL dose of EXPAREL 266 mg expanded in volume with 20 mL of normal saline for a total volume of 40 mL (20 mL infiltrated on each side of the abdomen).

Interventions: intervention 1: Intrathecal morphine injection intervention 2: EXPAREL
Intervention descriptions: intervention 1: 0.2 mg intervention 2: 266 mg

Protocol document: