[{"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":62,"hasResults":63,"nctId":64,"briefTitle":65,"officialTitle":66,"acronym":23,"eligibilityCriteria":67,"healthyVolunteers":63,"sex":68,"minAge":69,"maxAge":70,"enrollmentInfo":71,"targetDuration":23,"studyType":74,"phases":75,"briefSummary":77,"conditions":78,"keywords":23,"overallStatus":35,"whyStopped":23,"lastUpdateSubmitDate":83,"lastUpdatePostDateStruct":84,"startDateStruct":87,"completionDateStruct":88,"leadSponsor":90,"locationsCount":91},{"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","bilateral-erector-spinae-plane-block-versus-bilateral-oblique-subcostal-transversus-abdominis-plane-block-for-postoperative-analgesia-in-colorectal-surgery-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":72,"type":73},50,"ESTIMATED","INTERVENTIONAL",[76],"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.",[79,80,81,82],"Bilateral Erector Spinae Plane Block","Bilateral Oblique Subcostal Transversus Abdominis Plane Block","Postoperative Analgesia","Colorectal Surgery","2026-05-21",{"date":85,"type":86},"2026-05-22","ACTUAL",{"date":83,"type":86},{"date":89,"type":73},"2026-12-01",{"name":5,"class":6},1]