Less is more: study seeks minimum lidocaine dose for arm block

NCT ID NCT07374952

First seen Jan 31, 2026 · Last updated May 16, 2026 · Updated 16 times

Summary

This study aims to find the smallest amount of lidocaine needed to successfully numb the arm using a specific ultrasound-guided nerve block technique. Researchers will test different doses in 60 adults aged 18-70 to see how little medication can still provide effective pain relief. The goal is to improve safety and reduce side effects by using the minimum effective dose.

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