New shoulder block may spare breathing while matching pain relief
NCT ID NCT06844630
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested two types of nerve blocks for pain after arthroscopic shoulder surgery in 60 adults. The standard interscalene block can sometimes weaken the diaphragm, making breathing harder. The newer infraspinatus-teres minor interfascial block aims to avoid that side effect. Researchers wanted to see if the newer block provides similar pain relief without affecting breathing.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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60 people
The number who actually took part.
- Started
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Mar 2025
- Finished
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Aug 2025
- 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 75 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * American Society of Anesthesiologists (ASA) classification I-II-III * Scheduled for arthroscopic shoulder surgery under general anesthesia Exclusion Criteria: * history of bleeding diathesis * receiving anticoagulant treatment * infection of the skin at the site of the needle puncture * pregnancy or lactation * patients who do not accept the procedure * Allergy to local anesthetics * Chronic pain syndromes requiring opioid intake
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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
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Samsun University
Samsun, 55090, Turkey (Türkiye)
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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