New study aims to find safer pain block for shoulder surgery
NCT ID NCT07671352
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares three types of nerve blocks used for pain relief during shoulder surgery. The goal is to see which block is least likely to temporarily paralyze the diaphragm, the main muscle used for breathing. Seventy-five adults having shoulder surgery will be randomly assigned to one of the three blocks. The researchers will measure diaphragm movement and pain levels after surgery.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bupivacaine with dexmedetomidine
- What this could lead to
- If it works, this could help doctors choose a nerve block that avoids breathing problems after shoulder surgery.
- What could go wrong
- This is a small, early-phase trial with only 75 participants, so results may not apply to everyone. It compares known techniques, so no major breakthrough is expected.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
-
About 75 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
-
Jun 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Adults of both sexes, aged 18 to 70 years American Society of Anesthesiologists (ASA) physical status I-II Scheduled for elective shoulder surgery Exclusion Criteria: Pulmonary disease or baseline diaphragmatic dysfunction Refusal to provide informed consent Pre-existing neuropathy in the operated limb Allergy to local anesthetics Infection at the injection site Coagulopathy Pregnancy
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
-
The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
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Other studies related to the condition(s) this trial covers.
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