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Results for “Ureteral Access Sheath”

39 trials

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Showing 20 of 39 results

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 applicableNot Yet RecruitingNCT07463157
What this trial is testing

FANS vs Standard Ureteral Access Sheath in fURS

Who this might be right for
Renal Calculi
IRCCS San Raffaele 134
Not applicableLooking for participantsNCT07159035
What this trial is testing

Flexible Ureteroscopy With a Flexible and Navigable Suction Ureteral Access Sheath Versus Mini-Percutaneous Nephrolithotomy for 1-2 cm Lower Pole Kidney Stones

Who this might be right for
Kidney Stones
The First Affiliated Hospital of Guangzhou Medical University 640
Not applicableLooking for participantsNCT06547632
What this trial is testing

ClearPetra™ Vacuum-assisted Ureteral Access Sheath vs Traditional Approach

Who this might be right for
NephrolithiasisKidney Stone
University of Kansas Medical Center 150
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 completedNCT06729801
What this trial is testing

Intrarenal Pressure Monitoring Via Flexible and Navigable Suction Ureteral Access Sheath in Retrograde Intrarenal Surgery

Who this might be right for
Kidney Stone
The First Affiliated Hospital of Guangzhou Medical University 100
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 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
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 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 applicableLooking for participantsNCT07342361
What this trial is testing

Using Retrograde Intrarenal Surgery for Managing Staghorn Renal Stones.

Who this might be right for
Renal Calculi
Helwan University 100
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 applicableLooking for participantsNCT07297953
What this trial is testing

Access Sheath and Stent Trial

Who this might be right for
Kidney StoneUreteral Stone
University of Michigan 184
Not applicableStudy completedNCT07289230
What this trial is testing

Sheathless, Traditional, and Suction Access Sheath RIRS for Renal Stones ≤2 cm

Who this might be right for
Kidney CalculiRenal CalculiUrolithiasis+1 more
Ain Shams University 90
Not applicableUnknownNCT06209931
What this trial is testing

RIRS With Tip Flexible Pressure-controlling Ureteral Access Sheath Versus Mini PCNLfor Kidney Stones

Who this might be right for
Kidney Stone
The Affiliated Ganzhou Hospital of Nanchang University 160
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 completedNCT06491524
What this trial is testing

Disposable 7.5Fr Electronic Flexible Ureteroscope Combined 10Fr Ureteral Access Sheath for Treatment of Renal Stone <2cm

Who this might be right for
UreteroscopyUrolithiasis
Ningbo No. 1 Hospital 23
Not applicableNot Yet RecruitingNCT07535281
What this trial is testing

Effect of Complete Suction-Induced Collapse of the Renal Collecting System at the End of RIRS on Early Postoperative Outcomes

Who this might be right for
Kidney StonesNephrolithiasisRenal Calculi
Kangdong Sacred Heart Hospital 90
Not applicableUnknownNCT05633030
What this trial is testing

Ureteral Access Sheath or Percutaneous Nephrostomy During Flexible Ureteroscopy: Which is Better?

Who this might be right for
Flexible Ureteroscopy
Benha University 100
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
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