[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"bilateral-erector-spinae-plane-block\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:bilateral-erector-spinae-plane-block":41},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":10,"sex":15,"minAge":16,"maxAge":17,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":4,"overallStatus":30,"whyStopped":4,"lastUpdateSubmitDate":31,"lastUpdatePostDateStruct":32,"startDateStruct":35,"completionDateStruct":36,"leadSponsor":38,"locationsCount":5},"100639146",false,"NCT07602452","Bilateral Erector Spinae Plane Block Versus Bilateral Oblique Subcostal Transversus Abdominis Plane Block for Postoperative Analgesia in Colorectal Surgery","Ultrasound-Guided Bilateral Erector Spinae Plane Block Versus Bilateral Oblique Subcostal Transversus Abdominis Plane Block for Postoperative Analgesia in Colorectal Surgery: A Prospective Randomized Study.","Inclusion Criteria:\n\n* Age 18 to 75 years old.\n* Both sexes.\n* American Society of Anesthesiologists (ASA) physical status II-III.\n* Scheduled for open colorectal surgery under general anesthesia.\n\nExclusion Criteria:\n\n* History of opioid abuse.\n* Chronic opioid consumption.\n* Body mass index (BMI) ≥ 35 kg\u002Fm2.\n* Severe cardiac insufficiency, defined as New York Heart Association (NYHA) class III or IV heart failure.\n* Renal failure, defined as an estimated glomerular filtration rate (eGFR) \\\u003C 30 mL\u002Fmin\u002F1.73 m².\n* Hepatic encephalopathy.\n* Having a skin infection at or near the puncture site.\n* Coagulopathy, defined as platelet count \\\u003C 100,000\u002Fmm³, INR \\> 1.5, or use of anticoagulant therapy that could not be withheld.\n* Allergy to drugs used in the study.\n* History of previous or recurrent laparoscopic cholecystectomy procedures.","ALL","18 Years","75 Years",{"count":19,"type":20},50,"ESTIMATED","INTERVENTIONAL",[23],"NA","This study aims to compare the ultrasound-guided bilateral erector spinae plane block (ESPB) and oblique subcostal transverse abdominal plane block (OSTAPB) for postoperative analgesia in colorectal surgery.",[26,27,28,29],"Bilateral Erector Spinae Plane Block","Bilateral Oblique Subcostal Transversus Abdominis Plane Block","Postoperative Analgesia","Colorectal Surgery","RECRUITING","2026-05-21",{"date":33,"type":34},"2026-05-22","ACTUAL",{"date":31,"type":34},{"date":37,"type":20},"2026-12-01",{"name":39,"class":40},"Cairo University","OTHER",""]