[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100618081":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":25,"centralContacts":30,"locations":36,"responsibleParty":50,"collaborators":25,"id":54,"slug":55,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":25,"eligibilityCriteria":60,"healthyVolunteers":56,"sex":61,"minAge":62,"maxAge":63,"enrollmentInfo":64,"targetDuration":25,"studyType":67,"phases":68,"briefSummary":70,"conditions":71,"keywords":74,"overallStatus":78,"whyStopped":25,"lastUpdateSubmitDate":79,"lastUpdatePostDateStruct":80,"startDateStruct":83,"completionDateStruct":85,"leadSponsor":87,"locationsCount":88},{"fullName":5,"class":6},"Istanbul University - Cerrahpasa","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Ultrasound-Guided Interfascial Hydrodissection","EXPERIMENTAL","Ultrasound-guided interfascial hydrodissection is performed in the interfascial space between the gluteus maximus and piriformis muscles.",[13],"Procedure: Ultrasound-Guided Interfascial Hydrodissection",{"label":15,"type":16,"description":17,"interventionNames":18},"Ultrasound-guided gluteus maximus dry needling","ACTIVE_COMPARATOR","Participants receive ultrasound-guided dry needling applied to the gluteus maximus muscle.",[19],"Procedure: Ultrasound-Guided Gluteus Maximus Dry Needling",[21,26],{"type":22,"name":9,"description":23,"armGroupLabels":24,"otherNames":25},"PROCEDURE","Ultrasound-guided interfascial hydrodissection is performed in the interfascial plane between the gluteus maximus and piriformis muscles.",[9],null,{"type":22,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"Ultrasound-Guided Gluteus Maximus Dry Needling","Ultrasound-guided dry needling is performed on the gluteus maximus muscle without fluid administration.",[15],[31],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},"Busra Nur Aslantas, MD","CONTACT","+905075985562","busra.kaya1@iuc.edu.tr",[37],{"facility":38,"status":25,"city":39,"state":39,"zip":25,"country":40,"countryCode":25,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"Istanbul University-Cerrahpaşa, Cerrahpaşa Faculty of Medicine","Istanbul","Turkey (Türkiye)",{"type":42,"coordinates":43},"Point",[44,45],28.94966,41.01384,{"lat":45,"lon":44},[48],{"name":49,"role":33,"phone":34,"phoneExt":25,"email":35},"busra nur aslantas, MD",{"type":51,"investigatorFullName":52,"investigatorTitle":53,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"PRINCIPAL_INVESTIGATOR","Busra Nur Aslantas","Resident Physician, Physical Medicine and Rehabilitation Department","100618081","ultrasound-guided-interfascial-hydrodissection-for-gluteal-myofascial-pain-in-piriformis-syndrome-a-prospective-study-100618081",false,"NCT07326982","Ultrasound-Guided Interfascial Hydrodissection for Gluteal Myofascial Pain in Piriformis Syndrome: A Prospective Study","Efficacy of Ultrasound-Guided Interfascial Hydrodissection for Myofascial Pain Syndrome of the Gluteus Maximus in Patients With Piriformis Syndrome: A Double-Blind Randomized Controlled Trial.","Inclusion Criteria:\n\n* Adults aged 18 to 75 years\n* Buttock pain with or without radiation to the lower extremity\n* Ability to understand and provide written informed consent\n\nExclusion Criteria:\n\n* Active lumbar radiculopathy\n* History of hip joint pathology or prior hip surgery\n* Previous injection or dry needling treatment to the gluteal region within the last 3 months\n* Coagulation disorders or use of anticoagulant therapy\n* Pregnancy\n* Local infection at the injection site\n* Inability to complete the study protocol or attend follow-up visits.","ALL","18 Years","75 Years",{"count":65,"type":66},42,"ESTIMATED","INTERVENTIONAL",[69],"NA","This randomized, double-blind prospective trial investigates whether ultrasound-guided interfascial hydrodissection using 10% dextrose is more effective than dry needling in treating gluteal myofascial pain coexisting with piriformis syndrome. Following diagnostic piriformis injection response, eligible patients will be randomized into two treatment arms and followed at 1 hour, 1 week, 1 month, and 3 months. The primary hypothesis is that interfascial hydrodissection will provide superior long-term analgesic outcomes due to fascial separation, neuromodulation, and nociceptor suppression.",[72,73],"Piriformis Syndrome","Gluteus Maximus Myofascial Pain",[75,76,77],"Interfascial hydrodissection","Gluteal pain","Ultrasound-guided injection","NOT_YET_RECRUITING","2026-03-11",{"date":81,"type":82},"2026-03-13","ACTUAL",{"date":84,"type":66},"2026-03-26",{"date":86,"type":66},"2026-09-28",{"name":5,"class":6},1]