[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100640623":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":31,"centralContacts":36,"locations":45,"responsibleParty":64,"collaborators":26,"id":66,"slug":67,"hasResults":68,"nctId":69,"briefTitle":70,"officialTitle":71,"acronym":72,"eligibilityCriteria":73,"healthyVolunteers":68,"sex":74,"minAge":75,"maxAge":76,"enrollmentInfo":77,"targetDuration":26,"studyType":80,"phases":81,"briefSummary":83,"conditions":84,"keywords":88,"overallStatus":93,"whyStopped":26,"lastUpdateSubmitDate":94,"lastUpdatePostDateStruct":95,"startDateStruct":98,"completionDateStruct":100,"leadSponsor":102,"locationsCount":103},{"fullName":5,"class":6},"Chiang Mai University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Rectus Sheath Block Group","EXPERIMENTAL","Participants in this group will receive bilateral ultrasound-guided rectus sheath block using 30 mL of 0.25% bupivacaine with epinephrine 5 µg\u002FmL on each side, in addition to standard perioperative multimodal analgesia.",[13],"Procedure: Rectus Sheath Block",{"label":15,"type":16,"description":17,"interventionNames":18},"Transversus Abdominis Plane Block Group","ACTIVE_COMPARATOR","Participants in this group will receive bilateral ultrasound-guided transversus abdominis plane block using 30 mL of 0.25% bupivacaine with epinephrine 5 µg\u002FmL on each side, in addition to standard perioperative multimodal analgesia.",[19],"Procedure: Transversus Abdominis Plane Block",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"PROCEDURE","Rectus Sheath Block","Bilateral rectus sheath block will be performed by an anesthesiologist experienced in ultrasound-guided regional anesthesia. The ultrasound probe will be positioned at the midpoint between the xiphoid process and the umbilicus along the mid-clavicular line. After aseptic preparation of the puncture site and ultrasound probe, a needle will be advanced using an in-plane, lateral-to-medial approach under continuous ultrasound guidance. After correct needle-tip placement between the rectus abdominis muscle and the posterior rectus sheath, 30 mL of 0.25% bupivacaine with epinephrine 5 µg\u002FmL will be injected on each side after negative aspiration. Local anesthetic spread will be monitored in real time, and the procedure will be repeated on the contralateral side using the same technique.",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Transversus Abdominis Plane Block","Bilateral transversus abdominis plane block will be performed by an anesthesiologist experienced in ultrasound-guided regional anesthesia. The ultrasound probe will be placed on the lateral abdominal wall between the costal margin and iliac crest at the mid-axillary line. Depth, frequency, and gain will be adjusted to clearly visualize the fascial plane between the internal oblique and transversus abdominis muscles. After aseptic preparation of the puncture site and ultrasound probe, a needle will be advanced using an in-plane approach under continuous ultrasound guidance. After correct needle-tip placement in the transversus abdominis plane, 30 mL of 0.25% bupivacaine with epinephrine 5 µg\u002FmL will be injected on each side after negative aspiration. Local anesthetic spread within the fascial plane will be monitored in real time, and the procedure will be repeated on the contralateral side using the same technique.",[15],[32],{"name":33,"affiliation":34,"role":35},"Kittitorn Supphapipat, MD","Department of Anesthesiology, Faculty of Medicine, Chiang Mai University","PRINCIPAL_INVESTIGATOR",[37,41],{"name":33,"role":38,"phone":39,"phoneExt":26,"email":40},"CONTACT","+66891920066","kittitorn.pans@gmail.com",{"name":42,"role":38,"phone":43,"phoneExt":26,"email":44},"Artid Samerchua, MD","+66826944496","artidsamerchua@gmail.com",[46],{"facility":47,"status":26,"city":48,"state":49,"zip":50,"country":51,"countryCode":52,"cosmosGeoPoint":53,"geoPoint":58,"contacts":59},"Maharaj Nakorn Chiang Mai Hospital, Faculty of Medicine, Chiang Mai University","Chiang Mai","Mueang","50200","Thailand","TH",{"type":54,"coordinates":55},"Point",[56,57],98.98468,18.79038,{"lat":57,"lon":56},[60,61,62,63],{"name":33,"role":38,"phone":39,"phoneExt":26,"email":40},{"name":42,"role":38,"phone":43,"phoneExt":26,"email":44},{"name":42,"role":35,"phone":26,"phoneExt":26,"email":26},{"name":33,"role":35,"phone":26,"phoneExt":26,"email":26},{"type":35,"investigatorFullName":33,"investigatorTitle":65,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"Instructor, Department of Anesthesiology, Faculty of Medicine, Chiang Mai University","100640623","rectus-sheath-block-versus-transversus-abdominis-plane-block-for-analgesia-in-laparoscopic-bariatric-surgery-100640623",false,"NCT07592091","Rectus Sheath Block Versus Transversus Abdominis Plane Block for Analgesia in Laparoscopic Bariatric Surgery","Comparison of Rectus Sheath Block and Transversus Abdominis Plane Block for Analgesia in Laparoscopic Bariatric Surgery: A Randomized Controlled Trial","RSB-TAPB","Inclusion Criteria:\n\n* Patients aged 20-60 years old\n* Scheduled for elective LBS including laparoscopic sleeve gastrectomy, proximal jejunal bypass, and Roux-en-Y gastric bypass\n* American Society of Anesthesia (ASA) physical status III\n* Have ability to communicate and understand the study and accept to participate in the study\n\nExclusion Criteria:\n\n* Patients who have following underlying disease: severe hepatic impairment \\[diagnosed of cirrhosis (Child-Pugh C)\\], coagulopathy (diagnosed of disease associated with abnormal coagulation), pre-existing neurological deficits, chronic pain (diagnosed of chronic pain disease or current use regular analgesic drugs), or any drug addiction.\n* Known allergy to bupivacaine or weighing less than 60 kg, as the planned doses of bupivacaine may exceed safe maximum limits.\n* Patient with previous foregut surgery including esophageal, gastric, liver and pancreases resection.","ALL","20 Years","60 Years",{"count":78,"type":79},96,"ESTIMATED","INTERVENTIONAL",[82],"NA","This randomized controlled trial aims to compare the analgesic efficacy of rectus sheath block (RSB) and transversus abdominis plane block (TAPB) in patients undergoing laparoscopic bariatric surgery. Both techniques are regional anesthesia methods used as part of multimodal analgesia to reduce postoperative pain and opioid requirements.\n\nEligible participants will be randomly assigned to receive either a RSB or a TAPB after general anesthesia. Postoperative pain scores, opioid consumption, recovery outcomes, area of sensory loss, time to first rescue analgesia, and block-related adverse events will be assessed and compared between the two groups.\n\nThis study will help determine which regional anesthesia technique provides more effective postoperative analgesia for laparoscopic bariatric surgery",[23,85,86,87],"Transverse Abdominis Plane Block","Opioid Consumption, Postoperative","Analgesia",[23,89,90,91,92],"Transversus abdominis plane block","Laparoscopic bariatric surgery","opioid consumption","analgesia","NOT_YET_RECRUITING","2026-05-13",{"date":96,"type":97},"2026-05-18","ACTUAL",{"date":99,"type":79},"2026-05-10",{"date":101,"type":79},"2031-06-30",{"name":5,"class":6},1]