At a glance
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Low-dose Ketamine Infusions for Perioperative Pain Management in Patients Undergoing Laparoscopic Gastric Bypass
In Brief
A Phase 2 clinical trial evaluating Ketamine and Standard therapy for Laparoscopic Gastric Bypass Surgery and Ketamine. Completed, enrolled 34 participants across 1 site.
Detailed Summary
Opioid medications such as morphine, hydrocodone and oxycodone are standard for treating pain after surgery, however there are disadvantages. Because of the way opioids work, gastric bypass patients may have an increased risk of having sedation or problems with breathing. In patients with sleep apnea, opioids may increase the risk of severe apnea. Ketamine is an alternative pain medicine that can be used to treat pain after surgery and may have fewer effects on breathing. Using ketamine as part of the regimen may be a better choice for laparoscopic gastric bypass patients. This study is being done to find out if intraoperative ketamine infusion combined with continuation for twenty-four hours post-surgery provides superior pain control and decreases post-operative opioid use versus standard non-ketamine therapy.
Study Details
Timeline
Interventions
Ketamine 0.3 mg/kg (IBW) bolus with induction. Ketamine infusion 0.2mg/kg/hr. (IBW) initiated after induction and terminated after 24 hours. Ketamine infusion not titrated.
Pre-op dexamethasone 4mg IV and midazolam 1-2mg IV Anesthesia Induction - Propofol 2-3mg/kg IV, Fentanyl 1mcg/kg IV, neuromuscular block w/succinylcholine and/or rocuronium, orotracheal intubation Anesthesia maintenance - Sevoflurane/rocuronium, fentanyl 0.5-1mcg/kg Anesthesia emergence - Acetaminophen 1g, ketorolac 30 mg IV, ondansetron 4mg IV, sugammadex 2mg/kg or 4 mg/kg dose depending on twitch Post-op anesthesia - Hydromorphone patient-controlled analgesia (PCA) 0.2 mg/8 min, acetaminophen 1 g IV Q8 around the clock (ATC) x 3 addl. doses, ketorolac 15 mg IV Q6 ATC x 3 addl. doses. Other standard surgical post-op care