[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100560287":3},{"organization":4,"armGroups":7,"interventions":25,"overallOfficials":40,"centralContacts":44,"locations":54,"responsibleParty":71,"collaborators":35,"id":75,"slug":35,"hasResults":76,"nctId":77,"briefTitle":78,"officialTitle":79,"acronym":35,"eligibilityCriteria":80,"healthyVolunteers":76,"sex":81,"minAge":82,"maxAge":83,"enrollmentInfo":84,"targetDuration":35,"studyType":87,"phases":88,"briefSummary":90,"conditions":91,"keywords":93,"overallStatus":56,"whyStopped":35,"lastUpdateSubmitDate":99,"lastUpdatePostDateStruct":100,"startDateStruct":103,"completionDateStruct":105,"leadSponsor":107,"locationsCount":108},{"fullName":5,"class":6},"Fujian Provincial Hospital","OTHER",[8,14,20],{"label":9,"type":10,"description":11,"interventionNames":12},"Control group","PLACEBO_COMPARATOR","The control group received volume-matched 0.9% saline infusions at identical rates.",[13],"Drug: normal Saline",{"label":15,"type":16,"description":17,"interventionNames":18},"Low-dose dexmedetomidine group","EXPERIMENTAL","The low-dose dexmedetomidine group received a 75 μg\u002Fh loading dose over 15 minutes, followed by 60 μg\u002Fh maintenance infusion intravenously.",[19],"Drug: Dexmedetomidine low-dose",{"label":21,"type":16,"description":22,"interventionNames":23},"High-dose dexmedetomidine group","The high-dose dexmedetomidine group received a 150 μg\u002Fh loading dose over 15 minutes, followed by 120 μg\u002Fh maintenance infusion intravenously.",[24],"Drug: Dexmedetomidine high-dose",[26,32,36],{"type":27,"name":28,"description":17,"armGroupLabels":29,"otherNames":30},"DRUG","Dexmedetomidine low-dose",[15],[31],"dexmedetomidine hydrochloride Injection",{"type":27,"name":33,"description":11,"armGroupLabels":34,"otherNames":35},"normal Saline",[9],null,{"type":27,"name":37,"description":22,"armGroupLabels":38,"otherNames":39},"Dexmedetomidine high-dose",[21],[31],[41],{"name":42,"affiliation":5,"role":43},"Xiaochun Zheng, MD&PhD","STUDY_CHAIR",[45,50],{"name":46,"role":47,"phone":48,"phoneExt":35,"email":49},"Yusheng Yao, MD&PhD","CONTACT","13559939629","fjslyys@fjmu.edu.cn",{"name":51,"role":47,"phone":52,"phoneExt":35,"email":53},"Sisi Chen, MD","15080109541","css@fjmu.edu.cn",[55],{"facility":5,"status":56,"city":57,"state":58,"zip":59,"country":60,"countryCode":61,"cosmosGeoPoint":62,"geoPoint":67,"contacts":68},"RECRUITING","Fuzhou","Fujian","350001","China","CN",{"type":63,"coordinates":64},"Point",[65,66],119.30611,26.06139,{"lat":66,"lon":65},[69],{"name":70,"role":47,"phone":35,"phoneExt":35,"email":35},"Yusheng Yao, Doctor",{"type":72,"investigatorFullName":73,"investigatorTitle":74,"investigatorAffiliation":5,"oldNameTitle":35,"oldOrganization":35},"PRINCIPAL_INVESTIGATOR","Yao Yusheng","Professor","100560287",false,"NCT06575179","Dexmedetomidine Reduces Sevoflurane MAC-BAR During Pneumoperitoneum","Effect of Dexmedetomidine on Sevoflurane Minimum Alveolar Concentration for Attenuating Adrenergic Response to CO2 Pneumoperitoneum: A Randomized Controlled Trial","Inclusion Criteria:\n\n* 1\\. Aged 18-45 years.\n* 2\\. American Society of Anesthesiologists (ASA) grade I - II.\n* 3\\. Patients undergoing elective laparoscopic cholecystectomy.\n\nExclusion Criteria:\n\n* 1\\. Inability to provide informed consent;\n* 2\\. History of chronic pain or substance abuse;\n* 3\\. Pregnancy;\n* 4\\. Body mass index (BMI) ≥ 30 kg\u002Fm2;\n* 5\\. Known allergies to the study medications;\n* 6\\. Intake of medications within the last 72 hours that potential interfere with the determination of the MAC-BAR;\n* 7\\. Any other condition deemed exclusionary by the investigators.","ALL","18 Years","45 Years",{"count":85,"type":86},90,"ESTIMATED","INTERVENTIONAL",[89],"PHASE4","This clinical trial aims to learn the impact of dexmedetomidine on the minimum alveolar concentration blunting the adrenergic response (MAC-BAR) of sevoflurane to carbon dioxide pneumoperitoneum in patients undergoing laparoscopic cholecystectomy. It will also learn about the effect of dexmedetomidine on hemodynamic parameters. The main questions are:\n\n* Does dexmedetomidine reduce the MAC-BAR of sevoflurane required to suppress the sympathetic response to carbon dioxide pneumoperitoneum?\n* Would dexmedetomidine administration dose-dependently reduce the minimum alveolar concentration blunting the adrenergic response of sevoflurane required to suppress the sympathetic response to carbon dioxide pneumoperitoneum? Researchers will compare low-dose dexmedetomidine to high-dose dexmedetomidine to see if dexmedetomidine works to treat postoperative negative behavior change and emergence delirium.\n\nParticipants will:\n\n* Take intravenous dexmedetomidine or 0.9% saline (a look-alike substance that contains no drug)\n* Study drug infusions were initiated 15 minutes prior to anesthesia induction, allowing a minimum of 30 minutes to elapse before surgical incision to achieve steady-state plasma and brain concentrations.",[92],"Laparoscopic Cholecystectomy",[94,95,96,97,98],"dexmedetomidine","MAC-BAR","sevoflurane","laparoscopic surgery","α2-adrenergic receptor agonist","2024-09-27",{"date":101,"type":102},"2024-10-01","ACTUAL",{"date":104,"type":102},"2024-09-02",{"date":106,"type":86},"2024-12-30",{"name":5,"class":6},1]