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Liposome bupivacaine for improvement in economic outcomes and opioid burden in GI surgery: IMPROVE Study pooled analysis

Authors Cohen S, Vogel JD, Marcet JE, Candiotti K

Received 8 March 2014

Accepted for publication 9 May 2014

Published 24 June 2014 Volume 2014:7 Pages 359—366

DOI https://doi.org/10.2147/JPR.S63764

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Stephen M Cohen,1 Jon D Vogel,2 Jorge E Marcet,3 Keith A Candiotti4

1Atlanta Colon and Rectal Surgery, PA, Atlanta, GA, USA; 2General Surgery Clinic, University of Colorado, Aurora, CO, USA; 3Department of Surgery, Morsani College of Medicine, University of South Florida, Tampa, FL, USA; 4Department of Anesthesiology, University of Miami Leonard Miller School of Medicine, Miami, FL, USA

Abstract: Postsurgical pain management remains a significant challenge. Liposome bupivacaine, as part of a multimodal analgesic regimen, has been shown to significantly reduce postsurgical opioid consumption, hospital length of stay (LOS), and hospitalization costs in gastrointestinal (GI) surgery, compared with intravenous (IV) opioid-based patient-controlled analgesia (PCA). Pooled results from open-label studies comparing a liposome bupivacaine-based multimodal analgesic regimen with IV opioid PCA were analyzed. Patients (n=191) who underwent planned surgery and received study drug (IV opioid PCA, n=105; multimodal analgesia, n=86) were included. Liposome bupivacaine-based multimodal analgesia compared with IV opioid PCA significantly reduced mean (standard deviation [SD]) postsurgical opioid consumption (38 [55] mg versus [vs] 96 [85] mg; P<0.0001), postsurgical LOS (median 2.9 vs 4.3 days; P<0.0001), and mean hospitalization costs (US$8,271 vs US$10,726; P=0.0109). The multimodal analgesia group reported significantly fewer patients with opioid-related adverse events (AEs) than the IV opioid PCA group (P=0.0027); there were no significant between-group differences in patient satisfaction scores at 30 days. A liposome bupivacaine-based multimodal analgesic regimen was associated with significantly less opioid consumption, opioid-related AEs, and better health economic outcomes compared with an IV opioid PCA-based regimen in patients undergoing GI surgery.
Study registration: This pooled analysis is based on data from Phase IV clinical trials registered on the US National Institutes of Health http://www.clinicaltrials.gov database under study identifiers NCT01460485, NCT01507220, NCT01507233, NCT01509638, NCT01509807, NCT01509820, NCT01461122, NCT01461135, NCT01534988, and NCT01507246.

Keywords: analgesia, gastrointestinal surgery, postoperative pain, opioid analgesics, bupivacaine


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