[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"stones-kidney\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:stones-kidney":28},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,5,0,[8,48,72,97,121],{"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":31,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":36,"lastUpdatePostDateStruct":37,"startDateStruct":40,"completionDateStruct":42,"leadSponsor":44,"locationsCount":47},"100600770","trial-of-ureteroscopy-vs-steerable-continuous-flow-aspiration-technology-100600770",false,"NCT07101809","Trial of Ureteroscopy vs Steerable Continuous Flow Aspiration Technology","Evaluating the Safety and Effectiveness of Steerable Ureteroscopic Renal Evacuation (SURE) With the CVAC® System Compared to Standard Ureteroscopy With no Suction for the Treatment of Renal Stones: a Prospective, Randomized Trial","TRUST","Inclusion Criteria:\n\n* Candidate for ureteroscopy with laser lithotripsy\n* Be willing and able to return for and respond to all study-related follow up procedures\n* Have been informed of the nature of the study and has provided informed consent using the IRB approved informed consent (ICF)\n\nExclusion Criteria:\n\n* Untreated urinary tract infection at the time of the index procedure\n* Significant comorbidities\n* Bladder, ureteral or kidney abnormalities\n* Pregnant individuals\n* Unable to meet the treatment and follow up protocol requirements","ALL","18 Years",{"count":20,"type":21},150,"ESTIMATED","INTERVENTIONAL",[24],"NA","The goal of this clinical trial is to compare Steerable Ureteroscopic Renal Evacuation (SURE) using the CVAC System and standard ureteroscopy (URS) with laser lithotripsy for the treatment of urolithiasis. This is a prospective, randomized (1:1), multi-center study.",[27,28,29,30],"Urolithiasis","Stones, Kidney","Renal Stones","Kidney Stones",[32,33,34],"ureteroscopy","CVAC","SURE","RECRUITING","2026-05-18",{"date":38,"type":39},"2026-05-20","ACTUAL",{"date":41,"type":21},"2026-05",{"date":43,"type":21},"2029-07",{"name":45,"class":46},"Calyxo, Inc.","INDUSTRY",3,{"id":49,"slug":50,"hasResults":11,"nctId":51,"briefTitle":52,"officialTitle":53,"acronym":54,"eligibilityCriteria":55,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":56,"targetDuration":4,"studyType":58,"phases":4,"briefSummary":59,"conditions":60,"keywords":61,"overallStatus":63,"whyStopped":4,"lastUpdateSubmitDate":64,"lastUpdatePostDateStruct":65,"startDateStruct":67,"completionDateStruct":69,"leadSponsor":71,"locationsCount":4},"100604860","stone-clearance-with-aspiration-vs-other-technologies-a-real-world-evidence-study-100604860","NCT07155005","Stone Clearance With Aspiration vs Other Technologies: a Real-world Evidence Study","Evaluating the Safety and Effectiveness of Steerable Ureteroscopic Renal Evacuation (SURE) With the CVAC® System Compared to Other Therapeutic Interventions for the Treatment of Renal Stones: a Prospective, Observational Trial","SCORE","Inclusion Criteria:\n\n* Candidate for ureteroscopy with laser lithotripsy or PCNL for the treatment of renal stones\n* Be willing and able to return for and respond to all study-related follow up procedures\n* Have been informed of the nature of the study and has provided informed consent using the IRB approved informed consent (ICF)\n\nExclusion Criteria:\n\n* Untreated urinary tract infection at the time of the index procedure\n* Visual evidence of infection at the time of the index procedure\n* History of sepsis\n* Significant comorbidities\n* Bladder, ureteral or kidney abnormalities\n* Pregnant individuals\n* Unable to meet the treatment and follow up protocol requirements",{"count":57,"type":21},1000,"OBSERVATIONAL","The goal of this clinical trial is to evaluate the effectiveness and safety of Steerable Ureteroscopic Renal Evacuation (SURE) with the CVAC System versus other commonly used renal-stone interventions.",[27,28,29,30],[32,33,34,62],"URS","NOT_YET_RECRUITING","2026-03-11",{"date":66,"type":39},"2026-03-12",{"date":68,"type":21},"2026-03-16",{"date":70,"type":21},"2029-04",{"name":45,"class":46},{"id":73,"slug":74,"hasResults":11,"nctId":75,"briefTitle":76,"officialTitle":77,"acronym":4,"eligibilityCriteria":78,"healthyVolunteers":11,"sex":17,"minAge":79,"maxAge":4,"enrollmentInfo":80,"targetDuration":4,"studyType":22,"phases":82,"briefSummary":83,"conditions":84,"keywords":4,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":86,"lastUpdatePostDateStruct":87,"startDateStruct":89,"completionDateStruct":91,"leadSponsor":93,"locationsCount":96},"100598830","a-comparative-study-between-the-usage-of-flexible-and-navigable-suction-ureteral-access-sheath-versus-traditional-access-sheath-in-retrograde-intrarenal-surgeries-100598830","NCT07076589","A Comparative Study Between the Usage of Flexible and Navigable Suction Ureteral Access Sheath Versus Traditional Access Sheath in Retrograde Intrarenal Surgeries","A Comparative Study Between the Usage of Flexible and Navigable Suction Ureteral Access Sheath (FANS) Versus Traditional Access Sheath in RIRS : Randomized Controlled Trial","Inclusion Criteria:\n\n* Age ≥14 years old in patients not known to have stone forming medical conditions.\n* Renal stones diameter of ≤2 cm confirmed by CT with all types of configurations (branching \\& non-branching).\n* Non - recurrent cases with no history of previous open renal surgeries or PCNL with normal renal anatomy.\n* Patients with non - infected urine analysis.\n\nExclusion Criteria:\n\n* Patients with abnormal urinary tract anatomy (such as horseshoe kidney or ileal conduit).\n* Patients with medical conditions promoting stone formation (hyperparathyroidism - gout).\n* Patients with history of stones on the same side with previous open surgical intervention or PCNL .\n* Patients with e-GFR \\\u003C 60 ml \u002F min.\n* Patients with uncontrolled urinary tract infection.\n* Patients with health or other factors that are absolute contraindications to RIRS.\n* Patients who are unable to understand or complete trial documentation.","14 Years",{"count":81,"type":21},80,[24],"A comparative study between the Usage of Flexible and Navigable Suction Ureteral Access Sheath (FANS) versus Traditional Access sheath in RIRS : Randomized controlled trial .",[28,85],"Ureter Stones","2026-03-08",{"date":88,"type":39},"2026-03-10",{"date":90,"type":39},"2025-06-01",{"date":92,"type":21},"2026-03-03",{"name":94,"class":95},"Yosseif elhousseiny ammar ahmed","OTHER",1,{"id":98,"slug":99,"hasResults":11,"nctId":100,"briefTitle":101,"officialTitle":102,"acronym":103,"eligibilityCriteria":104,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":105,"targetDuration":4,"studyType":22,"phases":107,"briefSummary":108,"conditions":109,"keywords":4,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":112,"lastUpdatePostDateStruct":113,"startDateStruct":115,"completionDateStruct":117,"leadSponsor":119,"locationsCount":96},"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":106,"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.",[110,28,111],"Stone, Kidney","Stone;Renal","2025-08-14",{"date":114,"type":39},"2025-08-15",{"date":116,"type":39},"2025-01-01",{"date":118,"type":21},"2026-06-01",{"name":120,"class":95},"Ondokuz Mayıs University",{"id":122,"slug":123,"hasResults":11,"nctId":124,"briefTitle":125,"officialTitle":126,"acronym":4,"eligibilityCriteria":127,"healthyVolunteers":128,"sex":17,"minAge":18,"maxAge":4,"enrollmentInfo":129,"targetDuration":4,"studyType":22,"phases":131,"briefSummary":132,"conditions":133,"keywords":135,"overallStatus":35,"whyStopped":4,"lastUpdateSubmitDate":140,"lastUpdatePostDateStruct":141,"startDateStruct":143,"completionDateStruct":145,"leadSponsor":147,"locationsCount":96},"100579921","intra-ureteric-aminophylline-instillation-on-flexible-ureteroscopy-procedure-100579921","NCT06830577","Intra-ureteric Aminophylline Instillation on Flexible Ureteroscopy Procedure","Efficacy of Intra-ureteric Aminophylline Instillation on Flexible Ureteroscopy Procedure: A Randomized Controlled Study","Inclusion Criteria:\n\n* Upper ureteric stones or renal stones \\\u003C 2 cm\n\nExclusion Criteria:\n\n1. Ureteric strictures.\n2. anatomic renal disorders\n3. functional renal disorders\n4. Urinary tract infection.\n5. Coagulopathy and uncorrected bleeding disorders.\n6. Prior DJ stenting\n7. any contraindication for aminophylline use: (hypersensitivity to theophylline, ethylenediamine, or any component of the drug formulation, pregnancy or lactation, active peptic ulcer, presence of cardiologic diseases, presence of neurologic diseases, presence of renal impairment and presence of hepatic dysfunction)",true,{"count":130,"type":21},129,[24],"in this study we are going to evaluate the efficacy of intra-ureteric aminophylline instillation in facilitating ureteric access sheath placement prior to flexible ureteroscopy in reducing ureteric injury rates.",[28,134],"Ureteric Injury",[136,137,138,139],"Aminophylline","Ureteric access sheath","ureteric injury","Flexible Uretroscopy","2025-06-10",{"date":142,"type":39},"2025-06-12",{"date":144,"type":39},"2025-03-01",{"date":146,"type":21},"2026-02-01",{"name":148,"class":95},"Ain Shams University"]