[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100636143":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":24,"centralContacts":24,"locations":24,"responsibleParty":28,"collaborators":24,"id":32,"slug":33,"hasResults":34,"nctId":35,"briefTitle":36,"officialTitle":37,"acronym":24,"eligibilityCriteria":38,"healthyVolunteers":34,"sex":39,"minAge":40,"maxAge":41,"enrollmentInfo":42,"targetDuration":24,"studyType":45,"phases":46,"briefSummary":48,"conditions":49,"keywords":51,"overallStatus":55,"whyStopped":24,"lastUpdateSubmitDate":56,"lastUpdatePostDateStruct":57,"startDateStruct":60,"completionDateStruct":62,"leadSponsor":64,"locationsCount":24},{"fullName":5,"class":6},"Sakarya University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Serratus Posterior Superior Intercostal Plane Block Group","EXPERIMENTAL","Participants in this group will receive an ultrasound-guided serratus posterior superior intercostal plane (SPSIP) block for postoperative analgesia following mastectomy. The block will be performed under standardized conditions prior to surgery according to the study protocol.",[13],"Procedure: Serratus posterior superior intercostal plane block",{"label":15,"type":10,"description":16,"interventionNames":17},"Erector Spinae Plane Block Group","Participants in this group will receive an ultrasound-guided erector spinae plane (ESP) block for postoperative analgesia following mastectomy. The block will be performed under standardized conditions prior to surgery according to the study protocol.",[18],"Procedure: Erector Spinae Plane Block",[20,25],{"type":21,"name":22,"description":11,"armGroupLabels":23,"otherNames":24},"PROCEDURE","Serratus posterior superior intercostal plane block",[9],null,{"type":21,"name":26,"description":16,"armGroupLabels":27,"otherNames":24},"Erector Spinae Plane Block",[15],{"type":29,"investigatorFullName":30,"investigatorTitle":31,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"PRINCIPAL_INVESTIGATOR","MEHMETGOKHAN","Anesthesiology Specialist","100636143","serratus-posterior-superior-vs-erector-spinae-plane-block-for-breast-surgery-100636143",false,"NCT07561853","Serratus Posterior Superior vs Erector Spinae Plane Block for Breast Surgery","Comparison of Serratus Posterior Superior Intercostal Plane Block and Erector Spinae Plane Block in Breast Surgery in Terms of Ease of Application and Patient Comfort","Inclusion Criteria:\n\n* Patients aged 25-65 years American Society of Anesthesiologists (ASA) physical status I-III Patients scheduled for mastectomy under general anesthesia Patients with no history of previous breast surgery Patients who provide written informed consent to participate in the study\n\nExclusion Criteria:\n\n* ASA physical status IV and above History of alcohol or substance abuse Known allergy to local anesthetics or opioids Patients with severe psychiatric disorders Patients who refuse to participate or do not provide informed consent","ALL","25 Years","65 Years",{"count":43,"type":44},64,"ESTIMATED","INTERVENTIONAL",[47],"NA","Postoperative pain after mastectomy remains a significant clinical problem that may impair patient comfort and delay early rehabilitation, potentially affecting functional recovery. Various analgesic techniques are used to manage postoperative pain. This study aims to compare serratus posterior superior intercostal plane block and erector spinae plane block, which are routinely used in our clinic for postoperative analgesia in patients undergoing mastectomy, in terms of ease of application and patient comfort.",[50],"Postoperative Pain",[52,26,53,50,54],"Serratus Posterior Superior Intercostal Plane Block","Mastectomy","Fascial Plane Block","NOT_YET_RECRUITING","2026-04-24",{"date":58,"type":59},"2026-05-01","ACTUAL",{"date":61,"type":44},"2026-06-01",{"date":63,"type":44},"2026-12-15",{"name":5,"class":6}]