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More info
You can access this
clinical trial
if you have
Analgesia or Pain
and you are
between 18 and 64
years old
The phase for this study is not defined.
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The purpose

This research study is being done in order to find out if there is any difference in the effectiveness of ultrasound guided supraclavicular brachial plexus nerve block that can be achieved with 3 different amounts of ropivacaine 0.5% (20 ml, 30 ml, and 40 ml). The investigators want to show if you can have a successful nerve block with less amount of local anesthetic, thus potentially decreasing the risk of side effects.

Provided treatments

  • Drug: 20 ml of ropivacaine 0.5%
  • Drug: 30 ml of ropivacaine 0.5%
  • Drug: 40 ml of ropivacaine 0.5%
Tris trial is registered with FDA with number: NCT00923494. The sponsor of the trial is Baylor College of Medicine and it is looking for 0 volunteers for the current phase.
Official trial title:
Effectiveness of Ultrasound Guided Supraclavicular Brachial Plexus Block With 20, 30, or 40 ml of Ropivacaine 0.5%