Hillel Yaffe 2013.

Trial name or title	Comparison of quality of supraclavicular, infraclavicular, and axillary approach of ultrasound‐guided brachial plexus block
Methods	Randomized controlled trial
Participants	N = 150, patients undergoing surgery of the distal arm, forearm or hand
Interventions	1. Ultrasound‐guided supraclavicular block 2. Ultrasound‐guided infraclavicular block 3. Ultrasound‐guided axillary block
Outcomes	1. Quality of block, defined as whether or not there is need for additional analgesic drugs or general anaesthesia
Starting date	December 2011
Contact information	Anatoly Stav (stav@hy.health.gov.il), Hillel Yaffe Medical Center
Notes	Listed in ClinicalTrials.gov; status: not yet open for participant enrolment.