• Cedar Fowler, Amy W Chu, Nan Guo, Jessica R Ansari, Steven L Shafer, and Pamela D Flood.
• From the Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University, Stanford, California.
• Anesth. Analg. 2023 Jun 1; 136 (6): 112211321122-1132.

BackgroundMost of the 1.1 million women who deliver by cesarean in the United States each year have an uncomplicated recovery. However, severe pain resistant to standard multimodal therapy within the first days after surgery is associated with an increased risk for prolonged pain and opioid use. The best outpatient management for parturients with severe resistant early onset pain is not known.MethodsWe performed a prospective, double-blind, placebo-controlled, randomized trial of up to 12 weeks of outpatient treatment with gabapentin to evaluate its effectiveness to facilitate opioid cessation in women with at least 2 reports of severe pain during the immediate postpartum period resistant to standard multimodal pain management. Time to opioid cessation was the primary outcome. Time to pain resolution; time to discontinuation of gabapentin, acetaminophen, and ibuprofen; time to self-reported recovery; and National Institute of Health Patient-Reported Outcomes System (PROMIS) surveys for anxiety, depression, fatigue, and physical function were assessed as secondary outcomes.ResultsThere was no difference in time to opioid cessation between patients who were randomly assigned to be treated with gabapentin (Kaplan-Meier estimated median of 2 [25th-75th percentiles of 1-3] weeks, n = 35) versus those who were treated with placebo (2 [1-3] weeks, n = 35). The hazard ratio was 1.1 (95% confidence interval [CI], 0.67-1.8), P = .65. There were no differences in any secondary end points between the study groups.ConclusionsOutpatient supplementation with gabapentin did not reduce time to opioid cessation, pain, anxiety, depression, fatigue, or improve physical function in women with severe pain after cesarean delivery. Gabapentin should not be routinely added to the standard outpatient multimodal regimen of ibuprofen, acetaminophen, and opioids.Copyright © 2023 International Anesthesia Research Society.

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