New nerve block combo may prevent breathing problems during shoulder surgery

NCT ID NCT07474896

Recruiting now Symptom relief Sponsor: Poznan University of Medical Sciences Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study compares two types of numbing injections for shoulder surgery. The standard method can sometimes weaken the diaphragm, the main breathing muscle. The new approach uses two different injection sites to avoid that side effect. Researchers will enroll 70 older adults having elective shoulder surgery and measure how well each method controls pain and preserves diaphragm function.

What this could mean

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

Active substance: Ropivacaine 0.2%
What this could lead to: If successful, this could offer a safer anesthesia option for shoulder surgery that reduces the risk of diaphragm paralysis while still controlling pain effectively.
What could go wrong: This is a small, early-phase study (70 participants) focused on a specific older population. The alternative block may not provide equal pain relief, and results may not apply to all patients.

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Conditions

The condition(s) this trial relates to.

osteoarthritis

As listed by the trial registrant

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

OSTEOARTHRITIS SHOULDER

Contacts and locations

Locations

Poznan University of Medical Sciences
RECRUITING

Poznan, 62-701, Poland

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