[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"stone-kidney\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:stone-kidney":27},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,10,0,[8,51,77,105,129,152,175,197,219,239],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":23,"briefSummary":25,"conditions":26,"keywords":29,"overallStatus":38,"whyStopped":4,"lastUpdateSubmitDate":39,"lastUpdatePostDateStruct":40,"startDateStruct":43,"completionDateStruct":45,"leadSponsor":47,"locationsCount":50},"100615688","fans-furs-vs-suction-mini-pcnl-for-2-3-cm-renal-stones-a-multicenter-randomized-trial-100615688",false,"NCT07295860","FANS-FURS vs Suction Mini-PCNL for 2-3 cm Renal Stones: A Multicenter Randomized Trial","A Multicenter Randomized Trial Comparing FANS-Based Flexible Ureteroscopy Versus Suction Mini-Percutaneous Nephrolithotomy for Renal Stones 2-3 cm. The National Innovative Large Egyptian (NILE) Stone Study.","NILE","Inclusion Criteria:\n\n* Adults ≥18 years old.\n* Single or multiple renal stones measuring 2 -3 cm (diagnosed by NCCT).\n* Negative urine culture prior to surgery.\n* Suitable for general\u002Fspinal anesthesia.\n* Signed informed consent.\n\nExclusion Criteria:\n\n* Active urinary tract infection.\n* Anomalous renal anatomy (e.g., horseshoe kidney).\n* Severe ureteral strictures preventing retrograde access.\n* Coagulopathy or inability to discontinue anticoagulation.","ALL","18 Years",{"count":20,"type":21},254,"ESTIMATED","INTERVENTIONAL",[24],"NA","This multicenter, prospective, randomized clinical trial compares FANS-assisted flexible ureteroscopy (FURS) with suction-assisted mini-percutaneous nephrolithotomy (mini-PCNL) for the treatment of renal stones measuring 2-3 cm. A total of 280 patients will be enrolled across nine tertiary centers and randomized 1:1 to either technique. The primary endpoint is stone-free rate (SFR) at 1 month, assessed by non-contrast CT. Secondary outcomes include operative time, intraoperative complications, postoperative morbidity (Clavien-Dindo), pain scores, hospital stay, reinterventions, and quality of life (EQ-5D-5L). The study aims to provide the first high-quality head-to-head evidence comparing these two modern suction-enhanced technologies, with the goal of defining the optimal minimally invasive approach for medium-sized renal stones.",[27,28],"Stone, Kidney","Stone, Urinary",[30,31,32,33,34,35,36,37],"Renal stones","Nephrolithiasis","Urolithiasis","RIRS","FANS","mini-PCNL","Suction technology","Stone-free rate","NOT_YET_RECRUITING","2025-12-19",{"date":41,"type":42},"2025-12-26","ACTUAL",{"date":44,"type":21},"2026-01-01",{"date":46,"type":21},"2027-03-01",{"name":48,"class":49},"Mansoura University","OTHER",9,{"id":52,"slug":53,"hasResults":11,"nctId":54,"briefTitle":55,"officialTitle":56,"acronym":57,"eligibilityCriteria":58,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":59,"targetDuration":4,"studyType":22,"phases":61,"briefSummary":62,"conditions":63,"keywords":4,"overallStatus":66,"whyStopped":4,"lastUpdateSubmitDate":67,"lastUpdatePostDateStruct":68,"startDateStruct":70,"completionDateStruct":72,"leadSponsor":74,"locationsCount":76},"100616531","comparison-between-two-methods-for-renal-stone-treatment-mini-percutaneous-nephrolithotomy-and-flexible-ureteroscopy-with-suction-sheath-100616531","NCT07306819","Comparison Between Two Methods for Renal Stone Treatment Mini Percutaneous Nephrolithotomy and Flexible Ureteroscopy With Suction Sheath","Flexible Ureteroscopy Using a Tip-Bendable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy for the Treatment of 2-3 cm Renal Stones: A Randomized Controlled Trial","mini-PCNL\u002FFANS","Inclusion Criteria:\n\n* Adult patients aging 18 years old or more.\n* Patients with renal stones between 2-3 cm in size confirmed by CT scan.\n\nExclusion Criteria:\n\n* Patients with previous ureteric injury.\n* Patients with uncontrolled diabetes mellitus or hypertension.\n* Patients with uncontrolled hepatic dysfunction.\n* Patients with uremia or renal failure.\n* Pregnant patients.\n* patients with active urinary tract infection.\n* Patients with bleeding tendency or uncontrolled coagulopathy.\n* Patients with congenital anomalies as horse-shoe kidney and pelvi-ureteric junction obstruction.",{"count":60,"type":21},120,[24],"This study aims to compare the efficacy and safety of two modern, minimally invasive surgical techniques for the removal of kidney stones: Mini-Percutaneous Nephrolithotomy (Mini-PCNL) and Flexible Ureteroscopy (FURS) with Flexible and navigable suction sheath\n\nThe primary objective is to determine which procedure results in a higher stone-free rate, as measured by post-operative imaging. Secondary objectives include comparing operative time, hospitalization length andcomplication rates between the two treatment groups.\n\nPatients with two to three centimeter kidney stones who are candidates for either procedure will be randomly assigned to undergo either Mini-PCNL or suctioning FURS. The outcomes will be critically assessed to help establish a higher level of evidence for guiding surgical management of kidney stones.",[64,28,27,65],"Stone;Renal","Stone Clearance","RECRUITING","2025-12-13",{"date":69,"type":42},"2025-12-29",{"date":71,"type":42},"2025-10-15",{"date":73,"type":21},"2026-09-15",{"name":75,"class":49},"Ain Shams University",1,{"id":78,"slug":79,"hasResults":11,"nctId":80,"briefTitle":81,"officialTitle":82,"acronym":4,"eligibilityCriteria":83,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":84,"targetDuration":4,"studyType":22,"phases":86,"briefSummary":87,"conditions":88,"keywords":90,"overallStatus":66,"whyStopped":4,"lastUpdateSubmitDate":95,"lastUpdatePostDateStruct":96,"startDateStruct":98,"completionDateStruct":100,"leadSponsor":102,"locationsCount":104},"100505799","stent-omission-after-ureteroscopy-and-lithotripsy-in-the-michigan-urological-surgery-improvement-collaborative-100505799","NCT05866081","Stent Omission After Ureteroscopy and Lithotripsy in the Michigan Urological Surgery Improvement Collaborative","Stent Omission After Ureteroscopy and Lithotripsy in the Michigan Urological Surgery Improvement Collaborative (SOUL MUSIC)","Inclusion Criteria:\n\n* Undergoing unilateral ureteroscopy and lithotripsy for stone disease (participants may have contralateral stones, as long as these are asymptomatic and not being treated concurrently)\n* Largest stone less or equal to 10 millimeter in size as measured on abdominal x-ray, ultrasound, or computed tomography scan\n* Access to means of communication with the study team (email, text messaging, and\u002For telephone)\n* Adequate independent cognitive function and English language proficiency to complete study surveys\n* Written informed consent\n\nExclusion Criteria:\n\n* Planned bilateral ureteroscopy\n* Indwelling ureteral stent or percutaneous nephrostomy tube preoperatively in either kidney\n* Anatomic abnormalities of the ipsilateral upper urinary tract (for example, horseshoe kidney, crossed fused ectopia, pelvic kidney, urinary diversion)\n* Anatomic or functional solitary kidney\n* Planned secondary or staged ureteroscopy\n* Planned use of ureteral access sheath\n* Pregnancy\n* Patients who use opiate medication daily for greater than 3 months to manage a painful condition\n\nSecond Stage Exclusion Criteria:\n\n* ureteral perforation\n* unanticipated anatomic abnormality\n* greater than expected bleeding\n* ureteral dilation greater than 12 French\n* ureteral access sheath utilized\n* failed ureteroscopy\n* no or incomplete lithotripsy performed\n* unable to complete case due to medical or anesthetic event.",{"count":85,"type":21},792,[24],"This is a multicenter prospective trial with randomized and observational cohorts assessing patient-reported outcomes and unplanned healthcare utilization following ureteroscopic treatment of renal and ureteral stones, with placement versus omission of a ureteral stent.\n\nEligible participants in the randomization trial will be randomized to ureteroscopy with stent placement or stent omission.\n\nEligible participants that consent to the observational only cohort will complete surveys and the treating physicians will decide the treatment options for the participants.\n\nThe study team hypothesizes that:\n\n* Pain interference change from pre-surgery to Day 7-10 will differ between the two treatment arms. This hypothesis will be evaluated separately in the randomized and observational cohorts.\n* Unplanned healthcare utilization in the treatment arms will have different unplanned healthcare utilization ranks leading to a win proportion significantly higher or lower than 0.5 in the stent omission arm compared to the stent placement arm. This hypothesis will be evaluated separately in the randomized and observational cohorts.",[27,89],"Stone Ureter",[91,92,93,94],"Unilateral ureteroscopy and lithotripsy","Ureteral stent","Pain assessment","Quality of life","2025-12-08",{"date":97,"type":42},"2025-12-15",{"date":99,"type":42},"2023-06-01",{"date":101,"type":21},"2026-05-01",{"name":103,"class":49},"University of Michigan",16,{"id":106,"slug":107,"hasResults":11,"nctId":108,"briefTitle":109,"officialTitle":110,"acronym":4,"eligibilityCriteria":111,"healthyVolunteers":112,"sex":17,"minAge":18,"maxAge":113,"enrollmentInfo":114,"targetDuration":4,"studyType":116,"phases":4,"briefSummary":117,"conditions":118,"keywords":4,"overallStatus":66,"whyStopped":4,"lastUpdateSubmitDate":120,"lastUpdatePostDateStruct":121,"startDateStruct":123,"completionDateStruct":125,"leadSponsor":127,"locationsCount":76},"100549608","kidney-stone-inflammation-100549608","NCT06436235","Kidney Stone Inflammation","Inflammation and Insulin Resistance in Kidney Stone Patients","Inclusion Criteria:\n\n* Stone formers:\n* Age 18-70\n* History of at least one calcium-based kidney stone\n* Healthy Controls:\n* Age 18-70\n* No history of kidney stone or family history of kidney stones\n\nExclusion Criteria (for both groups):\n\n* History of primarily uric acid\n* Cysteine, or struvite stones\n* History of diabetes or impaired glucose tolerance\n* Previous thiazide use\n* Anyone on a medication that cannot be stopped that may affect urine composition\n* Previous bariatric surgery or ileostomy\n* Primary hyperparathyroidism and elevated serum calcium.",true,"70 Years",{"count":115,"type":21},40,"OBSERVATIONAL","This observational study aims to look at the connections between kidney stones, insulin resistance, and inflammation. The researchers hypothesize that people who form calcium kidney stones and have insulin resistance may have higher levels of inflammation because they have more visceral fat (fat around the abdominal organs).\n\nThe study will recruit 20 people who have had calcium kidney stones but don't have diabetes, and 20 healthy people who haven't had kidney stones. All the participants will come to the research center at the University of Chicago Medicine. Participants will have a dual-energy X-ray absorptiometry (DEXA) scan to measure their visceral fat, and give blood and urine samples. The blood will be tested for insulin resistance, inflammatory markers, and other metabolic factors. The urine will be analyzed for substances that increase kidney stone risk.\n\nThe main goal is to see if the kidney stone formers with insulin resistance have more visceral fat compared to those without insulin resistance and the healthy participants. The researchers will also compare inflammatory marker levels between groups, and look at how visceral fat, inflammatory markers, insulin resistance, and urine stone risk factors are related.\n\nThe findings may help explain how kidney stones are connected to metabolic conditions like diabetes and cardiovascular disease. Researchers hope this information will help identify stone formers at risk early and develop preventive treatments in the future.",[119,27],"Kidney Stone","2025-10-10",{"date":122,"type":42},"2025-10-14",{"date":124,"type":42},"2024-06-30",{"date":126,"type":21},"2026-08-01",{"name":128,"class":49},"University of Chicago",{"id":130,"slug":131,"hasResults":11,"nctId":132,"briefTitle":133,"officialTitle":134,"acronym":135,"eligibilityCriteria":136,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":137,"targetDuration":4,"studyType":22,"phases":139,"briefSummary":140,"conditions":141,"keywords":4,"overallStatus":66,"whyStopped":4,"lastUpdateSubmitDate":143,"lastUpdatePostDateStruct":144,"startDateStruct":146,"completionDateStruct":148,"leadSponsor":150,"locationsCount":76},"100578306","impact-of-surgical-position-on-stone-free-rates-in-retrograde-intrarenal-surgery-100578306","NCT06809582","Impact of Surgical Position on Stone-Free Rates in Retrograde Intrarenal Surgery","Does the Positioning in Retrograde Intrarenal Surgery Affect Stone-Free Rates? A Prospective Randomized Controlled Trial","POS-RIRS-RCT","Inclusion Criteria:\n\n* Presence of single or multiple kidney stones, with the largest stone ≤2 cm\n* Age ≥18 years\n* Provided written informed consent to participate in the study\n* Indicated for retrograde intrarenal surgery (RIRS) as a treatment approach\n\nExclusion Criteria:\n\n* Severe cardiovascular disease (e.g., heart failure)\n* Congenital kidney anomalies (e.g., horseshoe kidney, ectopic kidney)\n* Concurrent ureteral stones\n* Pregnancy or planning pregnancy\n* History of previous kidney surgery on the same side\n* Active urinary tract infection (UTI)\n* Coagulopathy or use of anticoagulant therapy that cannot be stopped before surgery",{"count":138,"type":21},128,[24],"The goal of this clinical trial is to determine whether the surgical position during retrograde intrarenal surgery (RIRS) affects stone-free rates in adults with kidney stones. The main questions it aims to answer are:\n\n* Does the modified lithotomy position result in a higher stone-free rate compared to the standard lithotomy position?\n* Are there differences in complication rates between the two surgical positions?\n\nResearchers will compare patients undergoing RIRS in the standard lithotomy position to those in the modified lithotomy position (30-degree Trendelenburg with elevated surgical side) to assess its impact on stone clearance and surgical outcomes.\n\nParticipants will:\n\n* Be randomly assigned to one of two surgical positions\n* Undergo RIRS with standard surgical procedures\n* Have follow-up imaging to assess stone clearance after surgery\n\nThis study aims to improve surgical techniques and patient outcomes in kidney stone treatment.",[27,142,64],"Stones, Kidney","2025-08-14",{"date":145,"type":42},"2025-08-15",{"date":147,"type":42},"2025-01-01",{"date":149,"type":21},"2026-06-01",{"name":151,"class":49},"Ondokuz Mayıs University",{"id":153,"slug":154,"hasResults":11,"nctId":155,"briefTitle":156,"officialTitle":157,"acronym":33,"eligibilityCriteria":158,"healthyVolunteers":112,"sex":17,"minAge":159,"maxAge":4,"enrollmentInfo":160,"targetDuration":4,"studyType":22,"phases":162,"briefSummary":163,"conditions":164,"keywords":165,"overallStatus":66,"whyStopped":4,"lastUpdateSubmitDate":167,"lastUpdatePostDateStruct":168,"startDateStruct":170,"completionDateStruct":172,"leadSponsor":174,"locationsCount":76},"100582192","evaluation-of-retrograde-intra-renal-surgery-in-the-t-tilted-position-100582192","NCT06860113","Evaluation of Retrograde Intra Renal Surgery in the T-tilted Position","Evaluation of the T-tilted Position in Retrograde Intrarenal Surgery Using Flexible and Navigable Suction Access Sheath.","Inclusion Criteria:\n\n* All patients above the age of 16 years of either sex who did not have a pre-existing ureteral stent presented to the Urology clinic in our university hospitals with kidney stones with size up to 2.5cm (estimated by CTUT as the greatest dimension or the summation of the greatest dimensions).\n\nExclusion Criteria:\n\n* Previous open renal surgery or renal trauma.\n* Patients with renal anomalies.\n* Patients with untreated or active UTI.\n* Patients who suffer from medical conditions that preclude the application of Trendelenburg position (lung disease, congestive heart failure).","16 Years",{"count":161,"type":21},160,[24],"To evaluate the effect of the T-tilted position on the stone-free rate compared to the standard lithotomy position in retrograde intrarenal surgeries.\n\nCommon positions include the Trendelenburg position, where the patient is tilted head-down to help gravity move stones from the upper calyces to the renal pelvis, and the modified lateral decubitus position, which improves access to the lower renal poles. A more recent approach, the modified T-tilt position, combines a slight Trendelenburg tilt with lateral positioning, offering optimal access to both the upper and lower calyces while maintaining patient comfort",[27],[166],"stone free rate, suction sheath","2025-07-15",{"date":169,"type":42},"2025-07-17",{"date":171,"type":42},"2025-03-01",{"date":173,"type":21},"2025-12-31",{"name":75,"class":49},{"id":176,"slug":177,"hasResults":11,"nctId":178,"briefTitle":179,"officialTitle":179,"acronym":180,"eligibilityCriteria":181,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":113,"enrollmentInfo":182,"targetDuration":4,"studyType":22,"phases":184,"briefSummary":185,"conditions":186,"keywords":4,"overallStatus":66,"whyStopped":4,"lastUpdateSubmitDate":187,"lastUpdatePostDateStruct":188,"startDateStruct":190,"completionDateStruct":192,"leadSponsor":194,"locationsCount":196},"100577072","effectiveness-of-self-posturotherapy-on-the-elimination-of-residual-fragments-after-treatment-of-lower-calyx-urinary-stones-by-extracorporeal-lithotripsy-or-retrograde-flexible-ureteroscopy-100577072","NCT06793540","Effectiveness of Self-posturotherapy on the Elimination of Residual Fragments After Treatment of Lower Calyx Urinary Stones by Extracorporeal Lithotripsy or Retrograde Flexible Ureteroscopy.","ALUR","pré Inclusion Criteria:\n\n* Patient having read and signed the consent form for participation in the study • Patient candidate for an intervention on a lower calyx stone \\\u003C15mm by LEC or URSS\n\nPatients meeting all of the following criteria may be definitively included in the study:\n\n* Patient treated by LEC, or patient treated by URSS and for whom the presence of lower calyceal fragments has been observed by endoscopy\n* Absence of JJ stent (patients for whom a JJ stent was implanted after URSS or before LEC may be included as soon as it is removed)\n\nExclusion Criteria:\n\n* Patients presenting one of the following criteria will not be included in the study:\n\n  * Renal or ureteral malformation: ureteral stenosis, pyelo-ureteral junction syndrome, horseshoe kidney, para calyceal diverticulum, pelvic kidney.\n  * LEC session interrupted due to treatment intolerance\n  * Physical disability making posturotherapy impossible (particularly spinal, etc.), morbid obesity, major gastroesophageal reflux, heart or respiratory failure.\n  * Balance disorder which would not allow self-posturotherapy to be carried out alone.\n  * Patient under legal protection, under guardianship or under curatorship\n  * Posturotherapy carried out while wearing a JJ probe\n  * Posturotherapy carried out by a third party (physiotherapist or other)\n  * Pregnant or breastfeeding patient\n  * Patient not affiliated to the French social security system\n  * Impossibility of providing the subject with informed information and\u002For giving written informed consent: dementia, psychosis, disorders of consciousness, non-French speaking patient\n  * Treatment that may modify the clearance of fragments (beta blocker, diuretic, etc.)\n  * Patient included in another therapeutic study protocol",{"count":183,"type":21},216,[24],"The main objective of this study is to evaluate the effectiveness of an auto posturotherapy technique on the RFS at three months of patients treated for lower calyceal urinary stones by extracorporeal lithotripsy (ECL) or retrograde flexible ureteroscopy.",[27],"2025-07-02",{"date":189,"type":42},"2025-07-08",{"date":191,"type":42},"2025-06-30",{"date":193,"type":21},"2027-05",{"name":195,"class":49},"GCS Ramsay Santé pour l'Enseignement et la Recherche",2,{"id":198,"slug":199,"hasResults":11,"nctId":200,"briefTitle":201,"officialTitle":202,"acronym":4,"eligibilityCriteria":203,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":204,"targetDuration":4,"studyType":22,"phases":206,"briefSummary":207,"conditions":208,"keywords":4,"overallStatus":66,"whyStopped":4,"lastUpdateSubmitDate":210,"lastUpdatePostDateStruct":211,"startDateStruct":213,"completionDateStruct":215,"leadSponsor":217,"locationsCount":76},"100577374","three-dimensional-virtual-reconstruction-3d-in-percutaneous-nephrolithotomy-100577374","NCT06797466","Three Dimensional Virtual Reconstruction (3D) in Percutaneous Nephrolithotomy","Investigation of the Effect of Three Dimensional Virtual Reconstruction (3D) on Percutaneous Nephrolithotomy Learning Curve in Specialist Training","Inclusion Criteria:\n\n* Patients with kidney stones larger than 2 cm and those with PCNL indication.\n\nExclusion Criteria:\n\n* Patients with missing CT images, missing clinical information, or inaccessible",{"count":205,"type":21},100,[24],"The aim of our study is to investigate the effect of 3D imaging technique on the PCNL learning curve in specialist training.",[209,27],"PNL","2025-05-08",{"date":212,"type":42},"2025-05-09",{"date":214,"type":42},"2025-01-21",{"date":216,"type":21},"2025-10-31",{"name":218,"class":49},"Adiyaman University",{"id":220,"slug":221,"hasResults":11,"nctId":222,"briefTitle":223,"officialTitle":224,"acronym":4,"eligibilityCriteria":225,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":226,"targetDuration":4,"studyType":22,"phases":228,"briefSummary":229,"conditions":230,"keywords":4,"overallStatus":66,"whyStopped":4,"lastUpdateSubmitDate":232,"lastUpdatePostDateStruct":233,"startDateStruct":235,"completionDateStruct":236,"leadSponsor":238,"locationsCount":76},"100577204","homework-in-retrograde-intrarenal-surgery-100577204","NCT06795256","Homework in Retrograde Intrarenal Surgery","Homework to Help with Stone Dissolution in Retrograde Intrarenal Surgery","Inclusion Criteria:\n\n* Patients with an indication for RIRC\n\nExclusion Criteria:\n\n* Patients with anatomic abnormalities such as horseshoe kidney, fragments in the calyx diverticulum, infundibular stenosis, pelvi-ureteral junction obstruction or ureteral stenosis.\n* Patients with morbid obesity, uncontrolled hypertension, previous cerebrovascular accident, skeletal deformity such as significant coronary artery disease or symptomatic gastro-esophageal reflux disease.\n* Patients with lumbar disc herniation who have undergone spinal surgery and are unable to undergo behavioral therapy.",{"count":227,"type":21},200,[24],"To evaluate the effectiveness of this homework on stone clearance rates after retrograde intrarenal surgery (RIRS) by instructing the patient in the home environment and suggesting percussion and movement\u002Fposition changes to assist in spontaneous stone passage.",[231,27],"Retrograde Intrarenal Surgery","2025-01-27",{"date":234,"type":42},"2025-01-29",{"date":214,"type":42},{"date":237,"type":21},"2025-11-30",{"name":218,"class":49},{"id":240,"slug":241,"hasResults":11,"nctId":242,"briefTitle":243,"officialTitle":244,"acronym":4,"eligibilityCriteria":245,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":246,"enrollmentInfo":247,"targetDuration":4,"studyType":22,"phases":248,"briefSummary":249,"conditions":250,"keywords":4,"overallStatus":38,"whyStopped":4,"lastUpdateSubmitDate":251,"lastUpdatePostDateStruct":252,"startDateStruct":254,"completionDateStruct":256,"leadSponsor":258,"locationsCount":76},"100560651","disposable-versus-disposable-nephroscope-during-pcnls-a-feasibility-rct-100560651","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","99 Years",{"count":205,"type":21},[24],"A feasibility randomised controlled trials comparing re-usable versus disposable nephroscope when treating kidney stones during mini-PCNLs",[27],"2024-08-28",{"date":253,"type":42},"2024-08-30",{"date":255,"type":21},"2024-09-01",{"date":257,"type":21},"2025-04-30",{"name":259,"class":49},"The First Affiliated Hospital of Guangzhou Medical University"]