[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100639146":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":23,"centralContacts":27,"locations":33,"responsibleParty":57,"collaborators":23,"id":61,"slug":23,"hasResults":62,"nctId":63,"briefTitle":64,"officialTitle":65,"acronym":23,"eligibilityCriteria":66,"healthyVolunteers":62,"sex":67,"minAge":68,"maxAge":69,"enrollmentInfo":70,"targetDuration":23,"studyType":73,"phases":74,"briefSummary":76,"conditions":77,"keywords":23,"overallStatus":35,"whyStopped":23,"lastUpdateSubmitDate":82,"lastUpdatePostDateStruct":83,"startDateStruct":86,"completionDateStruct":87,"leadSponsor":89,"locationsCount":90},{"fullName":5,"class":6},"Cairo University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Group I","EXPERIMENTAL","Patients will receive ultrasound-guided erector spinae plane block.",[13],"Other: Erector Spinae Plane Block",{"label":15,"type":10,"description":16,"interventionNames":17},"Group II","Patients will receive ultrasound-guided oblique subcostal transversus abdominis plane block.",[18],"Other: Oblique Subcostal Transversus Abdominis Plane Block",[20,24],{"type":6,"name":21,"description":11,"armGroupLabels":22,"otherNames":23},"Erector Spinae Plane Block",[9],null,{"type":6,"name":25,"description":16,"armGroupLabels":26,"otherNames":23},"Oblique Subcostal Transversus Abdominis Plane Block",[15],[28],{"name":29,"role":30,"phone":31,"phoneExt":23,"email":32},"Mohammed M Alarousy, MSc","CONTACT","00201149404478","mohammedalarousy0@gmail.com",[34],{"facility":5,"status":35,"city":36,"state":23,"zip":37,"country":38,"countryCode":39,"cosmosGeoPoint":40,"geoPoint":45,"contacts":46},"RECRUITING","Cairo","12613","Egypt","EG",{"type":41,"coordinates":42},"Point",[43,44],31.24967,30.06263,{"lat":44,"lon":43},[47,48,51,53,55],{"name":29,"role":30,"phone":31,"phoneExt":23,"email":32},{"name":49,"role":50,"phone":23,"phoneExt":23,"email":23},"Dina Z Khalaf, MD","SUB_INVESTIGATOR",{"name":52,"role":50,"phone":23,"phoneExt":23,"email":23},"Tamer K Khair, MD",{"name":54,"role":50,"phone":23,"phoneExt":23,"email":23},"Shady R Mikhail, MD",{"name":56,"role":50,"phone":23,"phoneExt":23,"email":23},"Michael W Halim, MD",{"type":58,"investigatorFullName":59,"investigatorTitle":60,"investigatorAffiliation":5,"oldNameTitle":23,"oldOrganization":23},"PRINCIPAL_INVESTIGATOR","Mohammed Mahmoud Mohammed Alarousy","Assistant Lecturer of Anesthesiology, Surgical Intensive Care and Pain Management, Cairo University, Tanta, Egypt.","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":71,"type":72},50,"ESTIMATED","INTERVENTIONAL",[75],"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.",[78,79,80,81],"Bilateral Erector Spinae Plane Block","Bilateral Oblique Subcostal Transversus Abdominis Plane Block","Postoperative Analgesia","Colorectal Surgery","2026-05-21",{"date":84,"type":85},"2026-05-22","ACTUAL",{"date":82,"type":85},{"date":88,"type":72},"2026-12-01",{"name":5,"class":6},1]