[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100560651":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":26,"centralContacts":26,"locations":31,"responsibleParty":44,"collaborators":26,"id":48,"slug":26,"hasResults":49,"nctId":50,"briefTitle":51,"officialTitle":52,"acronym":26,"eligibilityCriteria":53,"healthyVolunteers":49,"sex":54,"minAge":55,"maxAge":56,"enrollmentInfo":57,"targetDuration":26,"studyType":60,"phases":61,"briefSummary":63,"conditions":64,"keywords":26,"overallStatus":66,"whyStopped":26,"lastUpdateSubmitDate":67,"lastUpdatePostDateStruct":68,"startDateStruct":71,"completionDateStruct":73,"leadSponsor":75,"locationsCount":76},{"fullName":5,"class":6},"The First Affiliated Hospital of Guangzhou Medical University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Mini-PCNL with disposable scope","EXPERIMENTAL","PCNLs carried out using disposable scope",[13],"Procedure: Disposable mini-PCNL",{"label":15,"type":16,"description":17,"interventionNames":18},"Mini-PCNL using re-usable scope","ACTIVE_COMPARATOR","Mini-PCNLs carried out using re-usable scope",[19],"Procedure: Re-usable mini-PCNL",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"PROCEDURE","Disposable mini-PCNL","Mini-PCNL carried out using disposable scope",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Re-usable mini-PCNL","Mini-PCNL carried out using re-usable scope",[15],[32],{"facility":33,"status":26,"city":34,"state":35,"zip":36,"country":37,"cosmosGeoPoint":38,"geoPoint":43,"contacts":26},"Department of Urology, Minimally Invasive Surgery Center, The First Affiliated Hospital of Guangzhou Medical University","Guangzhou","Guangdong","510230","China",{"type":39,"coordinates":40},"Point",[41,42],113.25,23.11667,{"lat":42,"lon":41},{"type":45,"investigatorFullName":46,"investigatorTitle":47,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"PRINCIPAL_INVESTIGATOR","Guohua Zeng","Professor","100560651",false,"NCT06579924","Disposable Versus Disposable Nephroscope During PCNLs: a Feasibility RCT","Re-usable Versus Disposable Rigid Nephroscope During Mini-PCNLs When Treating Large-burden Kidney Stones: an Feasibility Randomised Controlled Trial","Inclusion Criteria:\n\n* Patients undergoing mini PCNL to treat renal stones with a cumulative stone diameter 2-5 cm and completing at least a 3 month's follow-up\n* Cases performed by surgeons beyond their learning curves\n* Patients aged \\> 18\n* Unenhanced CT scan carried out within 3 months pre-operatively\n* Post-operative follow-up carried out according to our study protocol, with NCCT carried out within 2-3 months after surgery\n* ASA 1-2\n* Patients with normal weight (BMI: 18-25)\n* Participant is willing and able to give informed consent to the proposed surgical treatment and agreeing to be enrolled in the study.\n\nExclusion Criteria:• Contraindications to surgical treatment\n\n* PCNL performed for proximal ureteric stones\n* Urinary tract with abnormal anatomy\n* Obese patients\n* ASA\\>3\n* Patients with pyonephrosis\n* Patients on anticoaugulants\n* Preoperative CT scan not within 3 months before surgery\n* Pregnant patients\n* Patients younger than 18 years of age","ALL","18 Years","99 Years",{"count":58,"type":59},100,"ESTIMATED","INTERVENTIONAL",[62],"NA","A feasibility randomised controlled trials comparing re-usable versus disposable nephroscope when treating kidney stones during mini-PCNLs",[65],"Stone, Kidney","NOT_YET_RECRUITING","2024-08-28",{"date":69,"type":70},"2024-08-30","ACTUAL",{"date":72,"type":59},"2024-09-01",{"date":74,"type":59},"2025-04-30",{"name":5,"class":6},1]