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Results for “Ureteral Access Sheath”

37 trials

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Showing 20 of 37 results

Post-approval studies (Phase 4)Ended earlyNCT00199524
What this trial is testing

Use of a Ureteral Access Sheath During Ureteroscopy and Its Effect on Stone Free Rate

Who this might be right for
Urinary Calculi
London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's 44
Not applicableLooking for participantsNCT05833386
What this trial is testing

Effect of Preoperative Silodosin on Feasibility of Ureteral Access Sheath Insertion

Who this might be right for
Renal Stone
Al-Azhar University 2,000
Post-approval studies (Phase 4)Looking for participantsNCT07124299
What this trial is testing

Alpha-Blockers Prior to Ureteral Access Sheath Placement in Flexible Ureteroscopy: A Randomized Prospective Study

Who this might be right for
NephrolithiasisAlpha BlockerUreteral Access Sheath
Pedro de Figueiredo Buchalla 140
Not applicableStudy completedNCT02485002
What this trial is testing

Differences in Urine NGAL Levels in Patients Undergoing RIRS With or Without Ureteral Access Sheath

Who this might be right for
Urolithiasis
Selcuk University 60
Large-scale testing (Phase 3)UnknownNCT05197088
What this trial is testing

Tamsulosin Assisted Ureteral Access Sheath Insertion

Who this might be right for
Renal StoneRetrograde Intrarenal SurgeryUrolithiasis
Sengkang General Hospital 110
Not applicableStudy completedNCT02501525
What this trial is testing

Effect of Ureteral Access Sheath Use on Postoperative Pain Level in Patients Undergoing RIRS

Who this might be right for
Urolithiasis
Selcuk University 80
Not applicableActive Not RecruitingNCT06684756
What this trial is testing

Comparison of Vacuum-Assisted and Conventional Ureteral Access Sheath in Retrograde Intrarenal Surgery

Who this might be right for
Kidney CalculiKidney Stones
Namik Kemal University 150
Not applicableStudy completedNCT05952635
What this trial is testing

Tip Bendable Suction Ureteral Access Sheath vs. Traditional Ureteral Access Sheath in Retrograde Intrarenal Stone Surgery

Who this might be right for
Kidney Stone
The First Affiliated Hospital of Guangzhou Medical University 320
Not applicableLooking for participantsNCT07306819
What this trial is testing

Comparison Between Two Methods for Renal Stone Treatment Mini Percutaneous Nephrolithotomy and Flexible Ureteroscopy With Suction Sheath

Who this might be right for
Stone;RenalStone, UrinaryStone, Kidney+1 more
Ain Shams University 120
Not applicableStudy completedNCT07377461
What this trial is testing

Flexible and Navigable Suction Ureteral Access Sheath (FANS) vs Conventional Access Sheaths in RIRS: A Prospective Randomized Study.

Who this might be right for
Kidney StonesNephrolithiasis
Barzilai Medical Center 50
Not applicableStudy completedNCT05911945
What this trial is testing

Failed Insertion of Ureteral Access Sheath During Flexible Ureterorenoscopy

Who this might be right for
Kidney Calculi
Haseki Training and Research Hospital 48
Not applicableStudy completedNCT03349099
What this trial is testing

Impact Ureteral Sheath Design During Ureteroscopy

Who this might be right for
Renal StoneNephrolithiasisUrolithiasis
The Cleveland Clinic 95
Not applicableStudy completedNCT06761378
What this trial is testing

Ideal Time of Stenting Prior to Ureteral Access Sheath for Stone Disease

Who this might be right for
Ureteric Stone
Menoufia University 60
Not applicableLooking for participantsNCT06898216
What this trial is testing

Steerable vs Conventional FANS for <2cm Lower Pole Stone Treatment: SCULPT Trial

Who this might be right for
Kidney Stones
The First Affiliated Hospital of Guangzhou Medical University 400
Not applicableStudy completedNCT07202923
What this trial is testing

Effect of Preoperative Alpha-blockers on Successful Insertion Ureteral Access Sheath and Reduce Ureteral Injury in Non-prestented Patients During RIRS. Assessment of Factors for Successful Ureteral Access Sheath Insertion.

Who this might be right for
UrolithiasisUreteral InjuryUreteral Access Sheath+1 more
St. Luke's Clinical Hospital, Russia 140
Not applicableStudy completedNCT06526390
What this trial is testing

Flexible Ureteroscopy With Tip-bendable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy for Treatment of 2-3cm Renal Stones

Who this might be right for
UrolithiasisKidney Stone
The First Affiliated Hospital of Guangzhou Medical University 720
Not applicableUnknownNCT02533414
What this trial is testing

Effect of Use of Ureteral Access Sheath on Levels of Netrin-1 in Patients Undergoing RIRS

Who this might be right for
Urolithiasis
Selcuk University 60
Not applicableUnknownNCT03919227
What this trial is testing

Measurement of Resistance During UAS Insertion Procedure in RIRS

Who this might be right for
Urolithiasis
Guohua Zeng 120
Not applicableStudy completedNCT07286071
What this trial is testing

Safety and Efficacy of Traditional Versus Flexible and Navigable Suction Sheath in Retrograde Intra-Renal Stone Surgery

Who this might be right for
UrolithiasisKidney CalculiNephrolithiasis
Ain Shams University 140
Not applicableLooking for participantsNCT06438497
What this trial is testing

The Effect of Different Body Positions and Channel Sheaths on RIRS

Who this might be right for
Urolithiasis
The First Affiliated Hospital of Guangzhou Medical University 120
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