The Effect of Phenylephrine and Ephedrine on Microvascular Blood Flow


Phase N/A Results N/A

Summary of Purpose

During operations to treat abdominal problems the blood pressure can fall, resulting in falls in blood flow to the vital organs. This fall can be treated by the administration of drugs that cause constriction of blood vessels. Although these drugs correct falls in blood pressure, it is unclear what effect they have on blood flow from the heart and to the vital organs. In this study of healthy volunteers we...

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Trial Milestones

The following dates are available for this trial. Trial information last updated on 26 January 2015.

1 Aug 2014 25 Sep 2014 1 Aug 2015 1 Aug 2015 1 Jan 2015 Unavailable
Start Date First Received 1st Completion Completion Verification Results

Trial Design

  • Perspective: Prospective
  • Sampling: Non-Probability Sample


  • John P Williams, PhD