A Randomized, Double-Blind, Trial Comparing Epinephrine Versus Phenylephrine as a Vasoconstrictor in Regional Anesthesia for Upper Extremity Surgery
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.
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The study involves research, the purpose of which is to compare three different drug mixtures (Epinephrine, Phenylephrine 25 µg, or Phenylephrine 50 µg). Specifically, how long each medicine lasts will be studied.
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Layout table for eligibility information
Ages Eligible for Study:
18 Years and older (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Shoulder surgery with regional anesthesia
Shoulder surgery with general anesthesia unhealthy