Dose-Finding Study: MEV90 for Local Anesthetic in Interscalene Block for Supraclavicular Nerves Block
Recruiting
N/A
Interventional Study
Brachial Plexus Blockade
Shoulder Surgery
Superficial Cervical Plexus Block
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
At a Glance
- Age
- 18 and older
- Sex
- Any
- Study type
- Interventional
- Purpose
- Supportive Care
- Participants needed
- 55 (estimated)
- Sponsor
- Hospital del Trabajador de Santiago · Other
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About This Trial
This study aims to determine the minimum effective volume (MEV90) of local anesthetic required to achieve sensory block of the supraclavicular nerves when performing a single-shot ultrasound-guided interscalene brachial plexus block (ISB). These nerves provide sensation to the skin over the clavicle and shoulder and are often involved in surgeries such as shoulder arthroscopy and clavicle repair.
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
* Age ≥ 18 years
* ASA physical status I to III
* Body Mass Index (BMI) between 18 and 35 kg/m²
* Weight ≥ 50 kg
* Scheduled for shoulder arthroscopy requiring an interscalene brachial plexus block for analgesia
* Able to provide informed consent
Exclusion Criteria:
* Inabilit…
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