Testing different strengths of numbing medicine for shoulder replacement
Treatments studied
Part of Bones, joints & muscles, Pain clinical trials.
This study compares two different strengths of local anesthetic used in a nerve block for shoulder replacement surgery. The goal is to see if one strength helps reduce pain that can come back as the block wears off.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are 18 years or older and scheduled for a shoulder replacement.
- You do not have chronic pain conditions like fibromyalgia or complex regional pain syndrome.
- You have not used strong pain medicines (opioids) daily for the past 3 months.
- You do not have serious lung problems like COPD or untreated sleep apnea.
- Your kidney function (GFR) is 60 or higher, and you are not allergic to the numbing medicines used.
- You can follow up after surgery and do not need a special catheter or injected pain pump.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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