The purpose of this study is to compare the incidence and intensity of possible pain on injection as well as patient satisfaction caused by propofol (a lipid based medication); Lusedra (a water based medication); and the drug combination of propofol with lidocaine (a local anesthetic commonly used with propofol injection).
Propofol (2,6-diisopropylphenol) is one of the most common induction and sedative agents used today. Properties that make this agent popular include rapid onset and quick recovery. However, as its use became more widespread, side effects such as pain on injection have attracted more attention. The incidence of pain on propofol injection is as high as 70 - 90%. Numerous studies report that more than 50% of patients recall the unpleasant burning sensation during injection. Many techniques to minimize pain on injection associated with propofol have been described; pre-administration of different medications including lidocaine, ketamine, thiopental, metoclopramide, dexamethasone, ondansetron, and remifentanil have been reported with mixed success. Some have even tried to use lidocaine with a tourniquet. Others have reported the use of distraction techniques including counting numbers aloud. Recently, a solvent mixture of medium chain triglyceride and long chain triglyceride has been tested for prevention of pain on propofol injection. Lusedra (fospropofol disodium), the water-soluble prodrug of propofol, does not cause pain on injection as it is water based medication. Demonstrating the benefit of fospropofol over propofol in patient satisfaction will improve acceptance by anesthesia providers.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
116
To compare the incidence and intensity of pain on injection that is caused by propofol (lipid emulsion) versus the test drug fospropofol. A third arm will also be included using a current standard (propofol plus lidocaine) as a methodological control.
We plan to assess the incidence and intensity of pain on injection that is caused by propofol (lipid emulsion).
NYU Langone Medical Center
New York, New York, United States
Compare Incidence and Intensity of Pain on Injection That is Caused by Propofol (Lipid Emulsion) Versus the Test Drug Fospropofol.
We hypothesize that we can reject the null hypothesis that results from all 3 arms are from the same sample, and then show (in pair wise tests) that fospropofol is superior to propofol, and not-inferior to propofol plus lidocaine.
Time frame: 2 hours
To Compare Patient Satisfaction With Sedation Including the Recall of Pain.
We hypothesize that we can reject the null hypothesis that results from all 3 arms are from the same sample, and then show (in pair wise tests) that fospropofol is superior to propofol, and not-inferior to propofol plus lidocaine.
Time frame: 2 hours after the end of the procedure.
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