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Ketamine Clinical Trials

Goal Directed Propofol Sedation With Magnesium Sulphate Versus Dexmedetomidine for ERCP Procedure

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Id: NCT02684019

Organisation Name: Theodor Bilharz Research Institute

Overal Status: Completed

Start Date: January 2016

Last Update: October 19, 2020

Lead Sponsor: Theodor Bilharz Research Institute

Brief Summary: Endoscopic retrograde cholangiopancreatography (ERCP) is an invasive longer endoscopic procedure. It is performed in remote locations under a continuum of anesthetic depth, ranging from conscious to deep sedation leading to general anesthesia.

Propofol sedation for (ERCP) procedures is the most popular current technique that has generated controversy in the medical field. Propofol can be safely administered because of its shorter half-life which results in a shorter recovery time than conventional sedation (opioid and/or benzodiazepine) that makes it widely used for sedation in many gastrointestinal procedures including ERCP. However, because of its narrow therapeutic window, the level of conscious sedation can easily go deeper from moderately deep sedation to near general anesthesia. Therefore, propofol as a sole agent can cause oversedation and apnea. Depth of sedation could be estimated better when target effect concentration of propofol is titrated by using bispectral index monitoring device(BIS).Targeting BIS within a specific range ensures additional safety during the procedure. Scores between 60-80 have been recommended for sedation. Propofol requirement can be reduced with addition of adjuvants (eg. Ketamine, Magnesium sulfate and Dexmedetomidine). Most adjuncts have analgesic properties with opioid and anesthetic sparing effects, without clinically significant respiratory depression.

Dexmedetomidine, is a selective alpha 2 agonist; it has sedative, amnestic, and analgesic properties. It is a useful addition to a propofol/remifentanil anesthetic combination as it reduced their requirements intraoperatively and can help supplement analgesia postoperatively. Its combination with propofol was proved to provide satisfactory anesthesia for upper gastrointestinal (GI)) endoscopy in obstructive sleep apnea patients .

Magnesium can also act as an adjuvant in analgesia due to its properties as calcium channel blocker and N-methyl-D-aspartate antagonists .It was suggested to be a near ideal intravenous (IV) adjunct to propofol/ remifentanil based total anesthesia in gynaecology patients .

Hypothesis of this study is that Magnesium sulfate can have a propofol sparing effect during ERCP procedures guided by BIS monitoring as efficient as dexmedetomidine but with less cost and complications together with more patient and doctor satisfaction in addition to better patient outcome.

  • Lack of Drug Action

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