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Ketamine Clinical Trials

A Comparison Between the Effects of Perioperative Intravenous Lidocaine and Ketamine on Acute and Chronic Pain After Open Nephrectomy: A Prospective, Double-blind, Randomized, Placebo Controlled Study

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Id: NCT02653651

Organisation Name: University Tunis El Manar

Overal Status: Completed

Start Date: January 2016

Last Update: July 28, 2016

Lead Sponsor: University Tunis El Manar

Brief Summary: Open nephrectomy is one of the most common surgical procedures in urologic practice. Pain after surgery remains a significant clinical problem as it impairs recovery adversely and may lead to the transition to chronic pain. The open approach represents a major physical trauma including postoperative pain and discomfort in the convalescence period. Adequate control of postoperative pain facilitates earlier mobilization and rehabilitation. Patient-controlled analgesia (PCA) is effective to treat pain at rest, but seems to be inadequate for dynamic analgesia and may also elicit side effects that may delay hospital discharge. Preventing early and late postsurgical pain is an important challenge for anesthesiologists and surgeons.

Ketamine (N-Methyl-D-Aspartate receptor antagonist) and lidocaine (sodium channel blocker) are popular analgesic adjuvants for improving perioperative pain management. The investigators designed this double-blind, placebo controlled study to test and compare the preventive effects of perioperative intravenous ketamine and lidocaine on early and chronic pain after elective open nephrectomy.

The investigators propose a double-blind placebo-controlled study of patients undergoing elective open nephrectomy. All patients will receive normal "patient-controlled analgesia morphine" in addition to study drugs or placebo. Research will be conducted at Charles Nicolle teaching hospital.

• Postoperative Pain