[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100646093":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":25,"centralContacts":30,"locations":36,"responsibleParty":54,"collaborators":25,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":63,"acronym":64,"eligibilityCriteria":65,"healthyVolunteers":60,"sex":66,"minAge":67,"maxAge":68,"enrollmentInfo":69,"targetDuration":25,"studyType":72,"phases":73,"briefSummary":75,"conditions":76,"keywords":25,"overallStatus":39,"whyStopped":25,"lastUpdateSubmitDate":78,"lastUpdatePostDateStruct":79,"startDateStruct":82,"completionDateStruct":84,"leadSponsor":86,"locationsCount":87},{"fullName":5,"class":6},"Kanuni Sultan Suleyman Training and Research Hospital","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Quadro-Iliac Plane Block Group","ACTIVE_COMPARATOR","Participants in this group will receive bilateral ultrasound-guided quadro-iliac plane block before emergence from general anesthesia, followed by postoperative fentanyl-based patient-controlled analgesia.",[13],"Procedure: Ultrasound-Guided Quadro-Iliac Plane Block",{"label":15,"type":10,"description":16,"interventionNames":17},"Local Infiltration Analgesia Group","Participants in this group will receive surgeon-performed local infiltration analgesia, followed by postoperative fentanyl-based patient-controlled analgesia.",[18],"Procedure: Local Infiltration Analgesia (LIA)",[20,26],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"PROCEDURE","Ultrasound-Guided Quadro-Iliac Plane Block","Bilateral ultrasound-guided quadro-iliac plane block will be performed before emergence from general anesthesia in the prone position. After visualization of the quadratus lumborum muscle and iliac crest at the L3 level, 30 mL of 0.167% bupivacaine will be injected into the interfascial plane on each side. All participants will receive postoperative fentanyl-based patient-controlled analgesia.",[9],null,{"type":21,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"Local Infiltration Analgesia (LIA)","Local infiltration analgesia will be performed by the surgeon before the end of surgery. A total dose of 50 mg of 0.25% bupivacaine will be infiltrated into the subcutaneous tissue. All participants will receive postoperative fentanyl-based patient-controlled analgesia.",[15],[31],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},"Engin ihsan Turan, principal investigator","CONTACT","+905382431114","drenginihsan@gmail.com",[37],{"facility":38,"status":39,"city":40,"state":40,"zip":41,"country":42,"countryCode":25,"cosmosGeoPoint":43,"geoPoint":48,"contacts":49},"Health Science University İstanbul Kanuni Sultan Süleyman Education and Training Hospital","RECRUITING","Istanbul","34303","Turkey (Türkiye)",{"type":44,"coordinates":45},"Point",[46,47],28.94966,41.01384,{"lat":47,"lon":46},[50],{"name":51,"role":33,"phone":52,"phoneExt":25,"email":53},"Engin ihsan Turan","05382431114","enginihsan@hotmail.com",{"type":55,"investigatorFullName":56,"investigatorTitle":57,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"PRINCIPAL_INVESTIGATOR","Engin Ihsan Turan","principal investigator","100646093","quadro-iliac-plane-block-for-analgesia-after-lumbar-microdiscectomy-100646093",false,"NCT07695987","Quadro-Iliac Plane Block for Analgesia After Lumbar Microdiscectomy","Effect of Ultrasound-Guided Quadro-Iliac Plane Block Compared With Local Infiltration Analgesia After Single-Level Lumbar Microdiscectomy: A Prospective, Double-Blind, Controlled, Multicenter Randomized Trial","QIPB RCT","Inclusion Criteria:\n\n* Adults aged 18 to 75 years\n* American Society of Anesthesiologists physical status I to III\n* Scheduled for elective single-level lumbar microdiscectomy, such as L4-L5 or L5-S1 disc herniation\n* Planned surgery under general anesthesia\n* Able to provide written informed consent\n\nExclusion Criteria:\n\n* Allergy or hypersensitivity to local anesthetics\n* Coagulopathy or active anticoagulant use\n* Infection, scar tissue, or skin lesion at the injection site\n* Pregnancy or breastfeeding\n* Chronic pain syndrome or regular opioid use\n* American Society of Anesthesiologists physical status IV or higher\n* Planned surgery for two or more levels of disc herniation","ALL","18 Years","75 Years",{"count":70,"type":71},60,"ESTIMATED","INTERVENTIONAL",[74],"NA","This study will evaluate whether ultrasound-guided quadro-iliac plane block provides better postoperative pain control than local infiltration analgesia in patients undergoing single-level lumbar microdiscectomy.\n\nAdult patients scheduled for elective single-level lumbar microdiscectomy will be randomly assigned to receive either bilateral quadro-iliac plane block plus patient-controlled analgesia or local infiltration analgesia plus patient-controlled analgesia. The main outcome of the study will be total fentanyl consumption during the first 24 hours after surgery. Pain scores, need for rescue analgesia, opioid-related side effects, patient satisfaction, and recovery quality will also be evaluated.",[77],"Pain Management","2026-07-29",{"date":80,"type":81},"2026-07-30","ACTUAL",{"date":83,"type":81},"2026-07-10",{"date":85,"type":71},"2026-12-02",{"name":5,"class":6},1]