Administration of Pre-Operative Gabapentin to Patients Undergoing Laparoscopy

Summary

The purpose of this study is to prospectively determine the influence of immediate pre-operative gabapentin administration on acute postoperative pain. The investigators hypothesize that immediate post-operative pain will be improved with pre-operative administration of gabapentin.

Timeline

Start

2015-06

Primary completion

2017-01

Completion

2017-01

Outcome

Missed primary endpoint

registry analysis (superiority test); Gabapentin vs Placebo; p = 0.89; Mean Difference (Final Values) 0.1 (95% CI -1.2 to 1.3); Mixed Models Analysis NCT02359110 ↗

registry analysis (superiority test); Gabapentin vs Placebo; p = 0.94; Mean Difference (Final Values) -0.1 (95% CI -1.6 to 1.5); Mixed Models Analysis NCT02359110 ↗

registry analysis (superiority test); Gabapentin vs Placebo; p = 0.64; Mean Difference (Final Values) -0.4 (95% CI -2.2 to 1.3); Mixed Models Analysis NCT02359110 ↗

registry analysis (superiority test); Gabapentin vs Placebo; p = 0.59; Mean Difference (Final Values) 0.6 (95% CI -1.6 to 2.8); Mixed Models Analysis NCT02359110 ↗

Publications

• Background Walker JL, Piedmonte MR, Spirtos NM, Eisenkop SM, Schlaerth JB, Mannel RS, Spiegel G, Barakat R, Pearl ML, Sharma SK. Laparoscopy compared with laparotomy for comprehensive surgical staging of uterine cancer: Gynecologic Oncology Group Study LAP2. J Clin Oncol. 2009 Nov 10;27(32):5331-6. doi: 10.1200/JCO.2009.22.3248. Epub 2009 Oct 5.
• Background Manwaring JM, Readman E, Maher PJ. The effect of heated humidified carbon dioxide on postoperative pain, core temperature, and recovery times in patients having laparoscopic surgery: a randomized controlled trial. J Minim Invasive Gynecol. 2008 Mar-Apr;15(2):161-5. doi: 10.1016/j.jmig.2007.09.007.
• Background Ott DE, Reich H, Love B, McCorvey R, Toledo A, Liu CY, Syed R, Kumar K. Reduction of laparoscopic-induced hypothermia, postoperative pain and recovery room length of stay by pre-conditioning gas with the Insuflow device: a prospective randomized controlled multi-center study. JSLS. 1998 Oct-Dec;2(4):321-9.
• Background Sills GJ. The mechanisms of action of gabapentin and pregabalin. Curr Opin Pharmacol. 2006 Feb;6(1):108-13. doi: 10.1016/j.coph.2005.11.003. Epub 2005 Dec 22.
• Background Hartrick CT, Kovan JP, Shapiro S. The numeric rating scale for clinical pain measurement: a ratio measure? Pain Pract. 2003 Dec;3(4):310-6. doi: 10.1111/j.1530-7085.2003.03034.x.
• Background Clarke H, Bonin RP, Orser BA, Englesakis M, Wijeysundera DN, Katz J. The prevention of chronic postsurgical pain using gabapentin and pregabalin: a combined systematic review and meta-analysis. Anesth Analg. 2012 Aug;115(2):428-42. doi: 10.1213/ANE.0b013e318249d36e. Epub 2012 Mar 13.
• Background Alayed N, Alghanaim N, Tan X, Tulandi T. Preemptive use of gabapentin in abdominal hysterectomy: a systematic review and meta-analysis. Obstet Gynecol. 2014 Jun;123(6):1221-1229. doi: 10.1097/AOG.0000000000000289.
• Background Alkhamesi NA, Peck DH, Lomax D, Darzi AW. Intraperitoneal aerosolization of bupivacaine reduces postoperative pain in laparoscopic surgery: a randomized prospective controlled double-blinded clinical trial. Surg Endosc. 2007 Apr;21(4):602-6. doi: 10.1007/s00464-006-9087-6. Epub 2006 Dec 16.
• Background Nutthachote P, Sirayapiwat P, Wisawasukmongchol W, Charuluxananan S. A randomized, double-blind, placebo-controlled trial of oral pregabalin for relief of shoulder pain after laparoscopic gynecologic surgery. J Minim Invasive Gynecol. 2014 Jul-Aug;21(4):669-73. doi: 10.1016/j.jmig.2014.01.018. Epub 2014 Jan 25.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	Gabapentin	Unknown	300 mg	—

Indications

No indication recorded.