New anesthetic may spare the diaphragm during arm surgery

NCT ID NCT07263295

First seen Jun 27, 2026 · Last updated Aug 04, 2026 · Updated 2 times

Summary

This study compares two types of numbing medicine for upper limb surgery: a standard one and a longer-acting version. Researchers want to see how quickly the diaphragm (the main breathing muscle) recovers after the nerve block. 120 adults having arm or hand surgery will be split into two groups and monitored for breathing function and pain. The goal is to find out if the newer anesthetic causes less breathing trouble.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
Liposomal bupivacaine and standard bupivacaine (hydrochloride bupivacaine)
What this could lead to
If successful, this could help doctors choose a nerve block that reduces breathing side effects after upper limb surgery.
What could go wrong
This is an early observational study, not a treatment trial. It only measures recovery times and may not lead to changes in practice.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, zhejiang 310000

    RECRUITING

    Hangzhou, Zhejiang, 310000, China

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