[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"leadSponsorName\":\"Hospital del Trabajador de Santiago\",\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:":46},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":29,"overallStatus":34,"whyStopped":4,"lastUpdateSubmitDate":35,"lastUpdatePostDateStruct":36,"startDateStruct":39,"completionDateStruct":41,"leadSponsor":43,"locationsCount":5},"100618999","dose-finding-study-mev90-for-local-anesthetic-in-interscalene-block-for-supraclavicular-nerves-block-100618999",false,"NCT07338916","Dose-Finding Study: MEV90 for Local Anesthetic in Interscalene Block for Supraclavicular Nerves Block","Minimum Effective Volume (MEV90) of Local Anesthetic Required for Ultrasound-Guided Interscalene Block for Supraclavicular Nerve Block: A Dose-Finding Study","Inclusion Criteria:\n\n* Age ≥ 18 years\n* ASA physical status I to III\n* Body Mass Index (BMI) between 18 and 35 kg\u002Fm²\n* Weight ≥ 50 kg\n* Scheduled for shoulder arthroscopy requiring an interscalene brachial plexus block for analgesia\n* Able to provide informed consent\n\nExclusion Criteria:\n\n* Inability to provide informed consent\n* Coagulopathy (platelet count ≤100,000; INR ≥1.4)\n* Significant pulmonary disease (restrictive or obstructive)\n* Renal insufficiency (creatinine ≥1.2 mg\u002FdL)\n* Hepatic insufficiency (transaminases ≥100 U\u002FL)\n* Allergy to local anesthetics\n* Pregnancy\n* Pre-existing neuropathy\n* Previous surgery in ipsilateral cervical or supraclavicular region\n* Contralateral hemidiaphragmatic paralysis or vocal cord paralysis","ALL","18 Years",{"count":19,"type":20},55,"ESTIMATED","INTERVENTIONAL",[23],"NA","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.",[26,27,28],"Brachial Plexus Blockade","Shoulder Surgery","Superficial Cervical Plexus Block",[30,26,31,27,32,33],"Interscalene Block","Supraclavicular nerves block","Miminum Effective Volume 90","MEV90","RECRUITING","2026-04-06",{"date":37,"type":38},"2026-04-08","ACTUAL",{"date":40,"type":20},"2026-04",{"date":42,"type":20},"2026-12",{"name":44,"class":45},"Hospital del Trabajador de Santiago","OTHER",""]