New study to reveal how common additive affects painkiller levels in blood

NCT ID NCT07324499

First seen Jan 09, 2026 · Last updated May 16, 2026 · Updated 19 times

Summary

This study looks at how the steroid dexamethasone affects levels of the painkiller bupivacaine in the blood when given with a nerve block for shoulder surgery. Forty adults will receive the nerve block with dexamethasone either near the nerve or through a vein. Blood samples will be taken over several hours to compare drug levels and see how long pain relief lasts.

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