[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100522406":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":24,"centralContacts":29,"locations":35,"responsibleParty":52,"collaborators":24,"id":56,"slug":57,"hasResults":58,"nctId":59,"briefTitle":60,"officialTitle":61,"acronym":24,"eligibilityCriteria":62,"healthyVolunteers":58,"sex":63,"minAge":64,"maxAge":65,"enrollmentInfo":66,"targetDuration":24,"studyType":69,"phases":70,"briefSummary":72,"conditions":73,"keywords":24,"overallStatus":38,"whyStopped":24,"lastUpdateSubmitDate":78,"lastUpdatePostDateStruct":79,"startDateStruct":82,"completionDateStruct":84,"leadSponsor":86,"locationsCount":87},{"fullName":5,"class":6},"Assiut University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"TPVB Group","EXPERIMENTAL","Bupivacaine 0.25% 20 ml was injected between the costotransverse ligament and the parietal pleura.",[13],"Procedure: thoracic paravertebral block (TPVB)",{"label":15,"type":10,"description":16,"interventionNames":17},"PECS Group","10 mL of 0.25% bupivacaine between the pectoralis major and minor muscles. and 20 mL of 0.25% bupivacaine between the pectoralis minor and serratus anterior muscles at the level of the 4th rib.",[18],"Procedure: PECS group",[20,25],{"type":21,"name":22,"description":11,"armGroupLabels":23,"otherNames":24},"PROCEDURE","thoracic paravertebral block (TPVB)",[9],null,{"type":21,"name":26,"description":27,"armGroupLabels":28,"otherNames":24},"PECS group","entering the plane between the pectoralis minor muscle and serratus anterior muscle, and bupivacaine 0.25% 20 ml was deposited in this space",[15],[30],{"name":31,"role":32,"phone":33,"phoneExt":24,"email":34},"Ghada Abo Elfadl","CONTACT","01005802086","ghadafadl77@gmail.com",[36],{"facility":37,"status":38,"city":39,"state":24,"zip":40,"country":41,"countryCode":42,"cosmosGeoPoint":43,"geoPoint":48,"contacts":49},"Assiut governorate","RECRUITING","Asyut","715715","Egypt","EG",{"type":44,"coordinates":45},"Point",[46,47],31.18368,27.18096,{"lat":47,"lon":46},[50],{"name":51,"role":32,"phone":33,"phoneExt":24,"email":34},"Ghada M Aboelfadl, MD",{"type":53,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"PRINCIPAL_INVESTIGATOR","Ghada Mohammed AboelFadl","Principal investigator","100522406","pectoral-nerve-block-versus-paravertebral-block-in-the-incidence-of-chronic-pain-after-mastectomy-100522406",false,"NCT06082206","Pectoral Nerve Block Versus Paravertebral Block In The Incidence of Chronic Pain After Mastectomy:","Pectoral Nerve Block Versus Paravertebral Block In The Incidence of Chronic Pain After Mastectomy: A Randomized Clinical Trial","Inclusion Criteria:\n\n* ASA grade I, II, or III female patients in the age group of 20-65 years\n* with body mass index (BMI) of 25-35 who were undergoing mastectomy with or without axillary lymph node or sentinel lymph node dissection or partial mastectomy (sparing the skin, areola, and nipple) with axillary lymph node dissection\n\nExclusion Criteria:\n\n* male sex; patient refusal,\n* a life expectancy less than 2 yr;\n* active malignant disease; pregnant or breastfeeding women;\n* bilateral surgery; ipsilateral breast surgery in the past 3 yr;","FEMALE","20 Years","65 Years",{"count":67,"type":68},90,"ESTIMATED","INTERVENTIONAL",[71],"NA","Chronic pain after Mastectomy is frequent and an important healthcare priority because of its effect on quality of life. Although the association between the severity of acute pain after surgery and the likelihood of chronic pain is known, their causal relationship has not been clarified. Mastectomy, frequently done for the management of breast cancer, is associated with significant acute postoperative pain and limited shoulder movement.",[74,75,76,77],"Paravertebral Block","Pectoral Nerve Block","Chronic Pain","Mastectomy; Lymphedema","2026-03-06",{"date":80,"type":81},"2026-03-09","ACTUAL",{"date":83,"type":81},"2023-11-15",{"date":85,"type":68},"2026-03",{"name":5,"class":6},1]