At a glance
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A Double-blind, Randomised Placebo-controlled Trial to Determine Whether Low-dose Intravenous Ketamine Peri-operatively Can Prevent Chronic Post-surgical Pain, in Patients Undergoing Thoracotomy or Video Assisted Thoracic Surgery (VATS)
In Brief
A Phase 4 clinical trial evaluating Ketamine for Chronic Postoperative Pain. Completed, enrolled 77 participants across 1 site.
Detailed Summary
This study will test the null hypothesis that low-dose ketamine given peri-operatively will have no effect on the development of chronic post-surgical pain, in patients undergoing thoracotomy or video assisted thoracic surgery (VATS) procedures A double-blind, randomised placebo-controlled trial will be used to test the null hypothesis. Potential participants due to undergo either thoracotomy or video assisted thoracic surgery (VATS) will be identified by the collaborating thoracic surgeons in the out-patient department. Patients will be sent information about the study by post, prior to admission for surgery. If they are willing to participate, written consent will be sought on the ward preoperatively, where they will complete baseline measures of pain. Patients will be randomised to receive an intravenous infusion of placebo (saline) or ketamine running at 0.1mg/kg/hour, starting 10 minutes prior to the surgical incision and continuing for the first three postoperative days (96 hours in total). Prior to starting the infusion a loading dose of ketamine (0.1 mg per kg) will be administered.
Study Details
Timeline
Interventions
Intravenous infusion of ketamine starting 10 minutes prior to surgery and running for 96 hours, which will be administered at a rate of 0.1mg/kg/hour. A loading dose of 0.1mg/kg will be administered prior to the start of the infusion