[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100575929":3},{"organization":4,"armGroups":7,"interventions":24,"overallOfficials":23,"centralContacts":23,"locations":23,"responsibleParty":34,"collaborators":23,"id":38,"slug":39,"hasResults":40,"nctId":41,"briefTitle":42,"officialTitle":43,"acronym":23,"eligibilityCriteria":44,"healthyVolunteers":45,"sex":46,"minAge":47,"maxAge":48,"enrollmentInfo":49,"targetDuration":23,"studyType":52,"phases":53,"briefSummary":55,"conditions":56,"keywords":23,"overallStatus":58,"whyStopped":23,"lastUpdateSubmitDate":59,"lastUpdatePostDateStruct":60,"startDateStruct":63,"completionDateStruct":65,"leadSponsor":67,"locationsCount":23},{"fullName":5,"class":6},"Uludag University","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"Group 1","ACTIVE_COMPARATOR","Group 1, a unilateral TAP block will be applied using the linear probe (38 mm, 6 MHz) of the ultrasound device routinely used in our clinic. The procedure will be performed in the supine position under aseptic conditions. The ultrasound probe will be placed horizontally in the right subcostal region (an anatomical area following the lower border of the ribs). A 50 mm block needle will be advanced into the fascial plane between the transversus abdominis and rectus abdominis muscles. A total of 20 ml of 0.25% bupivacaine solution will be administered, with a maximum dose of 2 mg\u002Fkg.",[13],"Procedure: TAP block with bupivacaine only",{"label":15,"type":10,"description":16,"interventionNames":17},"Group 2","In Group 2, a unilateral TAP block will be applied using the linear probe (38 mm, 6 MHz) of the ultrasound device in the supine position under aseptic conditions. The ultrasound probe will be placed horizontally in the right subcostal region, and a 50 mm block needle will be advanced into the fascial plane between the transversus abdominis and rectus abdominis muscles. A total of 20 ml of block solution containing 0.25% bupivacaine and 50 mcg fentanyl will be administered.",[18],"Procedure: TAP block with bupivacaine and fentanyl",{"label":20,"type":21,"description":22,"interventionNames":23},"Group 3","NO_INTERVENTION","Patients in Group 3 will serve as the control group, and no block will be applied.",null,[25,30],{"type":26,"name":27,"description":28,"armGroupLabels":29,"otherNames":23},"PROCEDURE","TAP block with bupivacaine only","Patients undergoing laparoscopic cholecystectomy will receive TAP block with bupivacaine only after induction and before the surgical procedure begins.",[9],{"type":26,"name":31,"description":32,"armGroupLabels":33,"otherNames":23},"TAP block with bupivacaine and fentanyl","Patients undergoing laparoscopic cholecystectomy will receive a TAP block with bupivacaine and fentanyl after induction and before the surgical procedure begins",[15],{"type":35,"investigatorFullName":36,"investigatorTitle":37,"investigatorAffiliation":5,"oldNameTitle":23,"oldOrganization":23},"PRINCIPAL_INVESTIGATOR","Mustafa Çabuk","Resident Doctor","100575929","effectiveness-of-fentanyl-added-tap-block-in-laparoscopic-cholecystectomy-100575929",false,"NCT06778668","Effectiveness of Fentanyl-Added TAP Block in Laparoscopic Cholecystectomy","Evaluation of the Effectiveness of Adding Fentanyl to Transversus Abdominis Plane Block in Patients Undergoing Laparoscopic Cholecystectomy","Inclusion Criteria:\n\n* Patients aged 18 to 70 years\n* American Society of Anesthesiologists (ASA) classification I-II-III according to the American Society of Anesthesiologists\n* Patients who provide written informed consent\n* Patients scheduled for elective laparoscopic cholecystectomy\n\nExclusion Criteria:\n\n* Pregnancy or suspected pregnancy\n* BMI \\> 35\n* Known allergy to local anesthetics or opioids\n* Suspected coagulopathy or infection at the injection site\n* Severe neurological, psychiatric, cardiovascular, liver, or renal failure\n* Patients converted to open surgery intraoperatively",true,"ALL","18 Years","70 Years",{"count":50,"type":51},66,"ESTIMATED","INTERVENTIONAL",[54],"NA","The aim of this study is to evaluate the effectiveness of adding fentanyl to the TAP block in laparoscopic cholecystectomy cases. It is hypothesized that the addition of fentanyl to the TAP block will enhance the quality of postoperative analgesia and prolong the duration of blockade compared to the TAP block performed with bupivacaine alone. The study aims to determine the most effective approach by comparing these two treatment methods with a control group.",[57],"Postoperative Pain, Acute","NOT_YET_RECRUITING","2025-01-12",{"date":61,"type":62},"2025-01-16","ACTUAL",{"date":64,"type":51},"2025-02-10",{"date":66,"type":51},"2026-02-10",{"name":5,"class":6}]