[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100643594":3},{"organization":4,"armGroups":7,"interventions":24,"overallOfficials":42,"centralContacts":42,"locations":43,"responsibleParty":55,"collaborators":42,"id":57,"slug":58,"hasResults":59,"nctId":60,"briefTitle":61,"officialTitle":62,"acronym":63,"eligibilityCriteria":64,"healthyVolunteers":65,"sex":66,"minAge":67,"maxAge":68,"enrollmentInfo":69,"targetDuration":42,"studyType":72,"phases":73,"briefSummary":75,"conditions":76,"keywords":78,"overallStatus":80,"whyStopped":42,"lastUpdateSubmitDate":81,"lastUpdatePostDateStruct":82,"startDateStruct":85,"completionDateStruct":87,"leadSponsor":89,"locationsCount":90},{"fullName":5,"class":6},"Ain Shams University","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"Group P: ProSeal.","ACTIVE_COMPARATOR","Using computer-generated random numbers to assign patients to one of the three device groups:\n\nFirst group is Group P: ProSeal",[13],"Other: evaluate the sealing quality (ProSeal LMA)using ultrasonography and a biochemical non invasive test to evaluate regurgitation",{"label":15,"type":10,"description":16,"interventionNames":17},"Group I: i-gel.","Using computer-generated random numbers to assign patients to one of the three device groups:\n\nSecond group Group I: i-gel.",[18],"Other: evaluate the sealing quality of SGA device ( i-gel)using ultrasonography and a biochemical test for assessment of regurgitation",{"label":20,"type":10,"description":21,"interventionNames":22},"Group I+: i-gel Plus.","Using computer-generated random numbers to assign patients to one of the three device groups:\n\nThird group Group I+: i-gel Plus.",[23],"Other: evaluate the sealing quality of SGA device ( i-gel plus )using ultrasonography and a biochemical test for assessment of regurgitation",[25,32,37],{"type":6,"name":26,"description":27,"armGroupLabels":28,"otherNames":29},"evaluate the sealing quality (ProSeal LMA)using ultrasonography and a biochemical non invasive test to evaluate regurgitation","This multimodal approach, combining ultrasound assessment of sealing quality with biochemical monitoring of regurgitation, may provide valuable insights into the comparative effectiveness of different SAD designs and ensure patient safety.",[9],[30,31],"Sealing assment , anatomical assment , biochemical testing","Proseal LMA",{"type":6,"name":33,"description":27,"armGroupLabels":34,"otherNames":35},"evaluate the sealing quality of SGA device ( i-gel)using ultrasonography and a biochemical test for assessment of regurgitation",[15],[36],"I gel sealing",{"type":6,"name":38,"description":27,"armGroupLabels":39,"otherNames":40},"evaluate the sealing quality of SGA device ( i-gel plus )using ultrasonography and a biochemical test for assessment of regurgitation",[20],[41],"I gel plus sealing",null,[44],{"facility":45,"status":42,"city":46,"state":42,"zip":42,"country":47,"countryCode":48,"cosmosGeoPoint":49,"geoPoint":54,"contacts":42},"Faculty of medicine ain shams university","Cairo","Egypt","EG",{"type":50,"coordinates":51},"Point",[52,53],31.24967,30.06263,{"lat":53,"lon":52},{"type":56,"investigatorFullName":42,"investigatorTitle":42,"investigatorAffiliation":42,"oldNameTitle":42,"oldOrganization":42},"SPONSOR","100643594","the-use-of-ultrasound-to-assess-the-airway-anatomy-regarding-pharyngeal-seal-and-its-protective-role-throw-a-chemical-test-for-three-supraglottic-devices-proseal-lma-i-gel-and-i-gel-plus-100643594",false,"NCT07642115","The Use of Ultrasound to Assess the Airway Anatomy Regarding Pharyngeal Seal and Its Protective Role Throw a Chemical Test for Three Supraglottic Devices (ProSeal LMA, I-gel, and I-gel Plus)","Ultrasonographic Mapping of the Pharyngeal Seal and Its Protective Role for Three Supraglottic Devices (ProSeal LMA, I-gel, and I-gel Plus)","LMA","Inclusion Criteria:\n\n* Age 18-55 years ASA physical status I or II, BMI 18-35 kg\u002Fm² Scheduled for elective surgery that requires around (2-3 hours) duration requiring general anesthesia with an SGAD.\n\nExclusion Criteria:\n\n* History of gastroesophageal reflux disease (GERD) Known or anticipated difficult airway, pathology of the mouth\u002Foropharynx\u002Fneck, risk of aspiration.\n\nPregnancy.",true,"ALL","18 Years","55 Years",{"count":70,"type":71},105,"ESTIMATED","INTERVENTIONAL",[74],"NA","The goal of this clinical trial is to to evaluate the sealing quality of three second-generation SADs (ProSeal LMA, i-gel, and i-gel Plus) using ultrasonography to measure the cross-sectional area (CSA) of sealing, Anterior-Posterior (AP) Diameter and Transverse (TV) Diameter ,percentage of effective sealing , presence of sealing gap and correlate these anatomical findings with oropharyngeal leak pressure (OLP), while simultaneously testing relevant safety features of regurgitation risk through salivary pH measurement.\n\nThe findings from this investigation may contribute to improved device selection and enhanced patient safety during procedures requiring supraglottic airway management.",[77],"Combining Ultrasound Assessment of Sealing Quality With Chemical Monitoring , May Provide Valuable Insights to Compare Effectiveness of Different SAD",[79],"LMA ,SGA , mapping ,OLP, PH ,","ACTIVE_NOT_RECRUITING","2026-06-07",{"date":83,"type":84},"2026-06-11","ACTUAL",{"date":86,"type":84},"2025-11-12",{"date":88,"type":71},"2026-11",{"name":5,"class":6},1]