[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100629673":3},{"organization":4,"outcomesModule":7,"designInfo":66,"detailedDescription":74,"studyPopulation":65,"armGroups":75,"interventions":91,"overallOfficials":65,"centralContacts":113,"locations":120,"responsibleParty":140,"collaborators":65,"id":142,"slug":65,"hasResults":143,"nctId":144,"briefTitle":145,"officialTitle":146,"acronym":147,"eligibilityCriteria":148,"healthyVolunteers":143,"sex":149,"minAge":150,"maxAge":65,"enrollmentInfo":151,"targetDuration":65,"studyType":154,"phases":155,"briefSummary":157,"conditions":158,"keywords":160,"overallStatus":168,"whyStopped":65,"lastUpdateSubmitDate":169,"lastUpdatePostDateStruct":170,"startDateStruct":173,"completionDateStruct":175,"leadSponsor":177,"locationsCount":178},{"fullName":5,"class":6},"CMC Ambroise Paré","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":65},[9],{"measure":10,"description":11,"timeFrame":12},"Total opioid consumption within 24 hours","Total cumulative opioid consumption during the first 24 hours, expressed in oral morphine equivalents (OME, mg), including intraoperative and postoperative opioid administration.","From start of surgery (t0) to 24 hours postoperatively",[14,18,21,24,27,31,35,38,42,45,48,51,54,57,61],{"measure":15,"description":16,"timeFrame":17},"Intraoperative anesthetic consumption","Total intraoperative consumption of propofol (mg)","During surgery",{"measure":19,"description":20,"timeFrame":17},"Intraoperative opioid consumption","Total intraoperative consumption of sufentanil (µg)",{"measure":22,"description":23,"timeFrame":17},"Intraoperative hypertension events","Occurrence of intraoperative hypertension episodes defined as systolic blood pressure \\>160 mmHg",{"measure":25,"description":26,"timeFrame":17},"Intraoperative hypotension events","Occurrence of intraoperative hypotension episodes defined as systolic blood pressure \\\u003C90 mmHg",{"measure":28,"description":29,"timeFrame":30},"Postoperative pain intensity","Pain intensity at rest assessed using a verbal rating scale (VRS, 0-10) ranging from 0 to 10 (0=no pain, 10=worst possible pain), recorded every 6 hours during the first 48 postoperative hours","Up to 48 hours postoperatively",{"measure":32,"description":33,"timeFrame":34},"Total opioid consumption within 48 hours","Total cumulative opioid consumption during the first 48 hours, expressed in oral morphine equivalents (OME, mg), including intraoperative and postoperative opioid administration.","From start of surgery (t0) to 48 hours postoperatively",{"measure":36,"description":37,"timeFrame":30},"Opioid-related adverse effects","Incidence of nausea and vomiting, somnolence, constipation, acute urinary retention, pruritus, and disorientation.",{"measure":39,"description":40,"timeFrame":41},"Quadricep motor function","Quadriceps muscle strength assessed on a 3-point scale: 0 = paralysis; 1 = paresis; 2 = normal contraction","Postoperative days 0, 1, and 2",{"measure":43,"description":44,"timeFrame":41},"Foot elevator muscle motor function","Ankle dorsiflexor muscle strength assessed on a 3-point scale: 0 = paralysis; 1 = paresis; 2 = normal contraction",{"measure":46,"description":47,"timeFrame":41},"Ability to stand and walk","4-point scale: 0 = unable to get up; 1 = able to get up but unable to walk; 2 = able to walk \\\u003C50 m; 3 = able to walk ≥50 m",{"measure":49,"description":50,"timeFrame":41},"Mobility and balance","Timed Up and Go (TUG) test, measured in seconds",{"measure":52,"description":53,"timeFrame":41},"Functional Independence","Functional Independence Measure (FIM), with total scores ranging from 18 to 126, where higher scores indicating greater independence",{"measure":55,"description":56,"timeFrame":41},"Postoperative falls","Occurrence of any fall defined as an unintentional event resulting in the patient coming to rest on the ground or a lower level",{"measure":58,"description":59,"timeFrame":60},"Hospital readmission within 30 days","Any hospital readmission within 30 days after surgery, regardless of cause","30 days postoperatively",{"measure":62,"description":63,"timeFrame":64},"Functional outcome at 60 days","Short-form WOMAC index focused on physical function), with total scores ranging from 0 to 28, where higher scores indicating greater functional impairment","60 days postoperatively",null,{"allocation":67,"interventionModel":68,"interventionModelDescription":65,"primaryPurpose":6,"observationalModel":65,"timePerspective":65,"maskingInfo":69},"RANDOMIZED","PARALLEL",{"masking":70,"maskingDescription":65,"whoMasked":71},"DOUBLE",[72,73],"CARE_PROVIDER","OUTCOMES_ASSESSOR","In the pre-anaesthesia room, after the implementation of classical monitoring with an oxygen mask and a peripheral venous catheter, all patients will receive an antibioprophylaxis according to the recommendations of the SFAR (French Society of Anesthesia \\& Intensive Care Medecine) and an injection of 10 mg of IV dexamethasone.\n\nThe surgical procedure is a total knee arthroplasty (TKA) performed under general anesthesia (GA) with a laryngeal mask. The only difference between the two groups will be the site and technique of local anesthetic (LA) injection.\n\nThe patients will be randomized into two groups:\n\n* LIA group (usual technique): surgical local infiltration\n* Quadruple nerve blocks group (experimental technique): femoral, sciatic, obturator and lateral femoral cutaneous nerve blocks\n\nIn the operating room, general anesthesia will be induced with intravenous ketamine (0.4 mg\u002Fkg) and propofol (3 mg\u002Fkg). Anesthesia will be maintained with propofol.\n\nOther medications administered intraoperatively:\n\n* Tranexamic acid (1 g)\n* Uradipil (5 mg every 3 minutes) if systolic blood pressure (SBP) \\> 160 mmHg\n* Norepinephrine (10 µg every 3 minutes) or Ephedrine (6 mg every 3 minutes) if SBP \\\u003C 90 mmHg\n* Sufentanil (initial dose of 5 µg, then 5 µg every 5 minutes as needed at the anesthesiologist's discretion)\n\nPostoperative analgesia protocol:\n\n* Multimodal analgesia will be instituted from the end of the surgery by the administration of paracetamol (1 g) and ketoprofen (100 mg).\n* In post-anesthesia care unit (PACU): oxycodone titration if VRS (pain score) \\>3 according to the centre's usual care.\n* In ward: systematic per os analgesia with paracetamol (1 g, 4 times a day) and ibuprofen (400 mg, 3 times a day), oxycodone (10 mg, lockout interval: 4 h) if VRS (pain score) \\>3 and cryotherapy.",[76,82],{"label":77,"type":78,"description":79,"interventionNames":80},"LIA group","ACTIVE_COMPARATOR","Local infiltration analgesia",[81],"Procedure: Surgical local infiltration",{"label":83,"type":84,"description":85,"interventionNames":86},"Quadruple nerve blocks group","EXPERIMENTAL","Femoral, sciatic, obturator and lateral femoral cutaneous nerve blocks",[87,88,89,90],"Procedure: Obturator nerve block","Procedure: Femoral nerve block","Procedure: Sciatic nerve block","Procedure: Lateral femoral cutaneous nerve block",[92,97,101,105,109],{"type":93,"name":94,"description":95,"armGroupLabels":96,"otherNames":65},"PROCEDURE","Surgical local infiltration","Injection of 150 mL of ropivacaine 0.2% into periarticular tissues according to a standardized sequence, including the posterior capsule, collateral ligaments, quadriceps, patellar tendon, capsule and subcutaneous tissue before wound closure",[77],{"type":93,"name":98,"description":99,"armGroupLabels":100,"otherNames":65},"Obturator nerve block","Injection of 20 mL of 0.1% ropivacaine between the adductor magnus and adductor brevis muscles and between the adductor brevis and pectineus muscles",[83],{"type":93,"name":102,"description":103,"armGroupLabels":104,"otherNames":65},"Femoral nerve block","Injection of 15 mL of 0.1% ropivacaine under the fascia iliaca, with the patient in supine position",[83],{"type":93,"name":106,"description":107,"armGroupLabels":108,"otherNames":65},"Sciatic nerve block","Injection of 20 mL of 0.1% ropivacaine in the subgluteal space via a lateral approach, with the patient in prone position",[83],{"type":93,"name":110,"description":111,"armGroupLabels":112,"otherNames":65},"Lateral femoral cutaneous nerve block","Injection of 5 mL of 0.1% ropivacaine lateral to the sartorius muscle",[83],[114],{"name":115,"role":116,"phone":117,"phoneExt":118,"email":119},"Philippe MARTY, MD","CONTACT","05 62 13 29 97","33","philippemarty@hotmail.com",[121],{"facility":122,"status":65,"city":123,"state":124,"zip":125,"country":126,"countryCode":127,"cosmosGeoPoint":128,"geoPoint":133,"contacts":134},"Clinique Médipôle Garonne","Toulouse","Haute-Garonne","31036","France","FR",{"type":129,"coordinates":130},"Point",[131,132],1.44367,43.60426,{"lat":132,"lon":131},[135,138],{"name":136,"role":116,"phone":117,"phoneExt":118,"email":137},"Clément CHASSERY, MD","cchassery@gmail.com",{"name":136,"role":139,"phone":65,"phoneExt":65,"email":65},"PRINCIPAL_INVESTIGATOR",{"type":141,"investigatorFullName":65,"investigatorTitle":65,"investigatorAffiliation":65,"oldNameTitle":65,"oldOrganization":65},"SPONSOR","100629673",false,"NCT07477730","Local Infiltration Analgesia Versus Quadruple Nerve Blocks in Total Knee Arthroplasty.","Local Infiltration Analgesia Versus Quadruple Nerve Blocks in Total Knee Arthroplasty: a Randomized Controlled Trial.","LIAQ","Inclusion Criteria:\n\n* Patients undergoing primary total knee arthroplasty under general anesthesia (laryngeal mask airway)\n* Fully autonomous at home\n* Planned discharge to home\n* Consent for participation\n* Affiliation to a social security system\n\nExclusion Criteria:\n\n* Preoperative opioid use\n* Chronic pain syndrome\n* Valgus contraindicating sciatic nerve block\n* Contraindication to any drugs used in the protocol\n* Contraindication to laryngeal mask airway\n* Pregnant or breastfeeding women\n* Patients under protection of the adults (guardianship, curators or safeguard of justice)","ALL","18 Years",{"count":152,"type":153},80,"ESTIMATED","INTERVENTIONAL",[156],"NA","Total knee arthroplasty (TKA) is one of the most common orthopedic surgical procedures and is associated with severe pain in the immediate postoperative period, thus limiting early recovery.\n\nOptimal postoperative pain management after TKA is not fully defined. While multimodal analgesia is standard, the choice of associated regional anesthesia techniques is debated.\n\nLocal infiltration analgesia (LIA) is widely used and provides effective pain relief without impairing early mobilization.\n\nPeripheral nerve blocks have been discussed due to the risk of motor blockade, but low-concentration local anesthetics, such as 0.1% ropivacaine, allow sensory blockade while preserving motor function. Preliminary studies suggest that this concentration is effective and safe.\n\nThe main objective of this monocenter, prospective, randomized, open-label, controlled trial is to compare the analgesic efficacy of a quadruple nerve blocks (femoral, sciatic, obturator, and lateral femoral cutaneous nerves) using 0.1% ropivacaine versus standard LIA in patients undergoing TKA.",[159],"Total Knee Arthroplasty",[161,162,163,164,165,166,167],"Knee arthroplasty","Local Infiltration Analgesia","Regional anesthesia","Ropivacaine","Postoperative analgesia","Pain management","Opioids","NOT_YET_RECRUITING","2026-03-13",{"date":171,"type":172},"2026-03-17","ACTUAL",{"date":174,"type":153},"2026-06-01",{"date":176,"type":153},"2028-02-01",{"name":5,"class":6},1]